{"product_id":"32-14358t-32-44348t-twin-engine-4-inch-exhaust-service-kit-fits-mercruiser-center-rise-4-inch-wet-exhaust-with-807166a3-shutters-replaces-18-2746-18-2748-18-2732","title":"32-14358T + 32-44348T Twin-Engine 4-Inch Exhaust Service Kit · Fits MerCruiser center-rise 4-inch wet exhaust with 807166A3 shutters, Replaces 18-2746, 18-2748, 18-2732","description":"\u003cp style=\"margin:0.4em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\" class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"color:#ff7c40;font-family:'Calibri',sans-serif;font-size:14px;\"\u003e32-14358T + 32-44348T Twin-Engine 4-Inch Exhaust Service Kit · Fits MerCruiser center-rise 4-inch wet exhaust with 807166A3 shutters, Replaces 18-2746, 18-2748, 18-2732\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\u003cp style=\"margin:0.4em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-family:'Calibri',sans-serif;font-size:14px;\"\u003e\u003cb\u003e\u003cspan style=\"color:#ff7c40;font-family:'Calibri',sans-serif;font-size:14px;\"\u003eGHMarine twin-engine exhaust service kit\u003c\/span\u003e\u003c\/b\u003e for select center-rise \u003cb\u003e\u003cspan style=\"color:#ff7c40;font-family:'Calibri',sans-serif;font-size:14px;\"\u003e4-inch wet exhaust\u003c\/span\u003e\u003c\/b\u003e systems — \u003cb\u003e\u003cspan style=\"color:#ff7c40;font-family:'Calibri',sans-serif;font-size:14px;\"\u003etwo engines\u003c\/span\u003e\u003c\/b\u003e worth of upper and lower 4-inch bellows plus one \u003cb\u003e\u003cspan style=\"color:#ff7c40;font-family:'Calibri',sans-serif;font-size:14px;\"\u003e807166A3\u003c\/span\u003e\u003c\/b\u003e offset-plate water-shutter pair. This is a \u003cb\u003e\u003cspan style=\"color:#ff7c40;font-family:'Calibri',sans-serif;font-size:14px;\"\u003eGHMarine internal combination\u003c\/span\u003e\u003c\/b\u003e — there is \u003cb\u003e\u003cspan style=\"color:#ff7c40;font-family:'Calibri',sans-serif;font-size:14px;\"\u003eno Mercury parent kit number\u003c\/span\u003e\u003c\/b\u003e for the full pack. \u003cb\u003e\u003cspan style=\"color:#ff7c40;font-family:'Calibri',sans-serif;font-size:14px;\"\u003e807166A3\u003c\/span\u003e\u003c\/b\u003e is the shutter assembly only, not the parent number for four bellows.\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"margin:0.4em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-family:'Calibri',sans-serif;font-size:14px;\"\u003eShips as \u003cb\u003e\u003cspan style=\"color:#ff7c40;font-family:'Calibri',sans-serif;font-size:14px;\"\u003e2 × lower 32-14358T\u003c\/span\u003e\u003c\/b\u003e + \u003cb\u003e\u003cspan style=\"color:#ff7c40;font-family:'Calibri',sans-serif;font-size:14px;\"\u003e2 × upper 32-44348T\u003c\/span\u003e\u003c\/b\u003e + \u003cb\u003e\u003cspan style=\"color:#ff7c40;font-family:'Calibri',sans-serif;font-size:14px;\"\u003e1 × 807166A3 shutter pair (2 shutters)\u003c\/span\u003e\u003c\/b\u003e + \u003cb\u003e\u003cspan style=\"color:#ff7c40;font-family:'Calibri',sans-serif;font-size:14px;\"\u003e8 stainless hose clamps\u003c\/span\u003e\u003c\/b\u003e. Confirm each engine's upper tube, lower tube, Y-pipe shutter style, and serial before you order.\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"margin:0.4em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\" class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"color:#ff7c40;font-family:'Calibri',sans-serif;font-size:14px;\"\u003eWhich kit is this?\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\u003cp style=\"margin:0.4em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-family:'Calibri',sans-serif;font-size:14px;\"\u003eThis kit is for twin-engine boats that use center-rise 4-inch wet exhaust: each engine needs one upper bellow (riser to elbow), one lower bellow (elbow to Y-pipe), and an offset-plate shutter pair that matches 807166A3. Buying the twin pack covers both engines in one box.\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"margin:0.4em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-family:'Calibri',sans-serif;font-size:14px;\"\u003eIt is \u003cb\u003e\u003cspan style=\"color:#ff7c40;font-family:'Calibri',sans-serif;font-size:14px;\"\u003enot\u003c\/span\u003e\u003c\/b\u003e a factory Mercury multi-bellow parent kit, \u003cb\u003e\u003cspan style=\"color:#ff7c40;font-family:'Calibri',sans-serif;font-size:14px;\"\u003enot\u003c\/span\u003e\u003c\/b\u003e a single-engine 1+1 pack (see GH 18BS001), and \u003cb\u003e\u003cspan style=\"color:#ff7c40;font-family:'Calibri',sans-serif;font-size:14px;\"\u003enot\u003c\/span\u003e\u003c\/b\u003e a 2× lower-only pack (see GH 18BK001). If you only need shutters, see GH 17ST004 \/ 17ST005.\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"margin:0.4em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\" class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"color:#ff7c40;font-family:'Calibri',sans-serif;font-size:14px;\"\u003eSigns yours is due\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\u003cul style=\"margin:0.4em 0;padding-left:1.25em;font-size:14px;font-family:'Calibri',sans-serif;\"\u003e\n\u003cli style=\"margin:0.3em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\"\u003eTwin-engine boat: both engines share the same center-rise 4-inch layout — boots and 807166A3 offset shutters are due on the same haul-out.\u003c\/li\u003e\n\u003cli style=\"margin:0.3em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\"\u003eOne engine already spit water from a Y-pipe shutter; the other engine's upper\/lower boots are glazed — finish both engines in one kit.\u003c\/li\u003e\n\u003cli style=\"margin:0.3em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\"\u003eYou confirmed oval offset-plate shutters (A3), not later rectangular A1 or manifold A2 — wrong shutter family voids this pack.\u003c\/li\u003e\n\u003cli style=\"margin:0.3em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\"\u003eDivert: single engine upper+lower only → GH 18BS001. Two lowers only → GH 18BK001. Shutters alone → GH 17ST004 \/ 17ST005.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"margin:0.4em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\" class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"color:#ff7c40;font-family:'Calibri',sans-serif;font-size:14px;\"\u003eWill it fit my drive?\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\u003cp style=\"margin:0.4em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-family:'Calibri',sans-serif;font-size:14px;\"\u003eThis twin-engine combination is Compatible with select MerCruiser center-rise 4-inch wet exhaust layouts where \u003cb\u003e\u003cspan style=\"color:#ff7c40;font-family:'Calibri',sans-serif;font-size:14px;\"\u003eeach engine\u003c\/span\u003e\u003c\/b\u003e simultaneously uses: upper \u003cb\u003e\u003cspan style=\"color:#ff7c40;font-family:'Calibri',sans-serif;font-size:14px;\"\u003e32-44348T\u003c\/span\u003e\u003c\/b\u003e family, lower \u003cb\u003e\u003cspan style=\"color:#ff7c40;font-family:'Calibri',sans-serif;font-size:14px;\"\u003e32-14358T\u003c\/span\u003e\u003c\/b\u003e family, and Y-pipe shutters in the \u003cb\u003e\u003cspan style=\"color:#ff7c40;font-family:'Calibri',sans-serif;font-size:14px;\"\u003e807166A3\u003c\/span\u003e\u003c\/b\u003e offset-plate family. Representative catalog band for the intersection is about 1987–1996 — years alone do not prove fit. Confirm engine\/exhaust assembly, Y-pipe hole style, and serial for both engines.\u003c\/span\u003e\u003c\/p\u003e\u003ctable style=\"border-collapse:collapse;border:none;width:100%;margin:14px 0;mso-table-layout-alt:fixed;\" border=\"1\" cellpadding=\"0\" cellspacing=\"0\" width=\"100%\" class=\"MsoTableGrid\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:solid windowtext 1.0pt;background:#292F36;padding:1.0pt 1.8pt 1.0pt 1.8pt;vertical-align:top;white-space:nowrap;\" nowrap\u003e\u003cp style=\"margin:0;line-height:normal;\" class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"font-size:8.0pt;font-family:'Calibri',sans-serif;color:white;\"\u003eBrand\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"border:solid windowtext 1.0pt;background:#292F36;padding:1.0pt 1.8pt 1.0pt 1.8pt;vertical-align:top;white-space:nowrap;\" nowrap\u003e\u003cp style=\"margin:0;line-height:normal;\" class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"font-size:8.0pt;font-family:'Calibri',sans-serif;color:white;\"\u003eModel \/ Drive\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"border:solid windowtext 1.0pt;background:#292F36;padding:1.0pt 1.8pt 1.0pt 1.8pt;vertical-align:top;white-space:nowrap;\" nowrap\u003e\u003cp style=\"margin:0;line-height:normal;\" class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"font-size:8.0pt;font-family:'Calibri',sans-serif;color:white;\"\u003eRated HP\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"border:solid windowtext 1.0pt;background:#292F36;padding:1.0pt 1.8pt 1.0pt 1.8pt;vertical-align:top;white-space:nowrap;\" nowrap\u003e\u003cp style=\"margin:0;line-height:normal;\" class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"font-size:8.0pt;font-family:'Calibri',sans-serif;color:white;\"\u003eStroke\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"border:solid windowtext 1.0pt;background:#292F36;padding:1.0pt 1.8pt 1.0pt 1.8pt;vertical-align:top;white-space:nowrap;\" nowrap\u003e\u003cp style=\"margin:0;line-height:normal;\" class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"font-size:8.0pt;font-family:'Calibri',sans-serif;color:white;\"\u003eYears\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"border:solid windowtext 1.0pt;background:#292F36;padding:1.0pt 1.8pt 1.0pt 1.8pt;vertical-align:top;white-space:nowrap;\" nowrap\u003e\u003cp style=\"margin:0;line-height:normal;\" class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"font-size:8.0pt;font-family:'Calibri',sans-serif;color:white;\"\u003eOEM Part No.\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:solid windowtext 1.0pt;padding:1.0pt 1.8pt 1.0pt 1.8pt;vertical-align:top;white-space:nowrap;\" nowrap\u003e\u003cp style=\"margin:0;line-height:normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:8.0pt;font-family:'Calibri',sans-serif;\"\u003eMerCruiser\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"border:solid windowtext 1.0pt;padding:1.0pt 1.8pt 1.0pt 1.8pt;vertical-align:top;white-space:nowrap;\" nowrap\u003e\u003cp style=\"margin:0;line-height:normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:8.0pt;font-family:'Calibri',sans-serif;\"\u003eTwin-engine center-rise 4-inch wet exhaust (1 upper + 1 lower + offset shutter per engine)\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"border:solid windowtext 1.0pt;padding:1.0pt 1.8pt 1.0pt 1.8pt;vertical-align:top;white-space:nowrap;\" nowrap\u003e\u003cp style=\"margin:0;line-height:normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:8.0pt;font-family:'Calibri',sans-serif;\"\u003eEngine\/SN-driven\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"border:solid windowtext 1.0pt;padding:1.0pt 1.8pt 1.0pt 1.8pt;vertical-align:top;white-space:nowrap;\" nowrap\u003e\u003cp style=\"margin:0;line-height:normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:8.0pt;font-family:'Calibri',sans-serif;\"\u003e4-Stroke\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"border:solid windowtext 1.0pt;padding:1.0pt 1.8pt 1.0pt 1.8pt;vertical-align:top;white-space:nowrap;\" nowrap\u003e\u003cp style=\"margin:0;line-height:normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:8.0pt;font-family:'Calibri',sans-serif;\"\u003e1987–1996* · confirm both engines\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"border:solid windowtext 1.0pt;padding:1.0pt 1.8pt 1.0pt 1.8pt;vertical-align:top;white-space:nowrap;\" nowrap\u003e\u003cp style=\"margin:0;line-height:normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:8.0pt;font-family:'Calibri',sans-serif;\"\u003e32-14358T ×2 + 32-44348T ×2 + 807166A3\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp style=\"margin:0.4em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-family:'Calibri',sans-serif;font-size:14px;\"\u003e*Representative intersection band from catalog evidence. Final fit = per-engine upper + lower + shutter style + SN\/EPC — not Alpha\/Bravo name or horsepower alone.\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"margin:0.4em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\" class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"color:#ff7c40;font-family:'Calibri',sans-serif;font-size:14px;\"\u003eOEM \u0026amp; swap numbers\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\u003cp style=\"margin:0.4em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-family:'Calibri',sans-serif;font-size:14px;\"\u003eThere is \u003cb\u003e\u003cspan style=\"color:#ff7c40;font-family:'Calibri',sans-serif;font-size:14px;\"\u003eno OEM parent number\u003c\/span\u003e\u003c\/b\u003e for this full twin pack. Cross-refs below are for the three component families inside the box.\u003c\/span\u003e\u003c\/p\u003e\u003ctable style=\"border-collapse:collapse;border:none;width:100%;margin:14px 0;mso-table-layout-alt:fixed;\" border=\"1\" cellpadding=\"0\" cellspacing=\"0\" width=\"100%\" class=\"MsoTableGrid\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:solid windowtext 1.0pt;background:#292F36;padding:1.0pt 1.8pt 1.0pt 1.8pt;vertical-align:top;white-space:nowrap;\" nowrap\u003e\u003cp style=\"margin:0;line-height:normal;\" class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"font-size:8.0pt;font-family:'Calibri',sans-serif;color:white;\"\u003eType\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"border:solid windowtext 1.0pt;background:#292F36;padding:1.0pt 1.8pt 1.0pt 1.8pt;vertical-align:top;white-space:nowrap;\" nowrap\u003e\u003cp style=\"margin:0;line-height:normal;\" class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"font-size:8.0pt;font-family:'Calibri',sans-serif;color:white;\"\u003eBrand\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"border:solid windowtext 1.0pt;background:#292F36;padding:1.0pt 1.8pt 1.0pt 1.8pt;vertical-align:top;white-space:nowrap;\" nowrap\u003e\u003cp style=\"margin:0;line-height:normal;\" class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"font-size:8.0pt;font-family:'Calibri',sans-serif;color:white;\"\u003ePart Number\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"border:solid windowtext 1.0pt;background:#292F36;padding:1.0pt 1.8pt 1.0pt 1.8pt;vertical-align:top;white-space:nowrap;\" nowrap\u003e\u003cp style=\"margin:0;line-height:normal;\" class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"font-size:8.0pt;font-family:'Calibri',sans-serif;color:white;\"\u003eNotes\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:solid windowtext 1.0pt;padding:1.0pt 1.8pt 1.0pt 1.8pt;vertical-align:top;white-space:nowrap;\" nowrap\u003e\u003cp style=\"margin:0;line-height:normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:8.0pt;font-family:'Calibri',sans-serif;\"\u003eOEM · lower ×2\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"border:solid windowtext 1.0pt;padding:1.0pt 1.8pt 1.0pt 1.8pt;vertical-align:top;white-space:nowrap;\" nowrap\u003e\u003cp style=\"margin:0;line-height:normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:8.0pt;font-family:'Calibri',sans-serif;\"\u003eMercury \/ Quicksilver\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"border:solid windowtext 1.0pt;padding:1.0pt 1.8pt 1.0pt 1.8pt;vertical-align:top;white-space:nowrap;\" nowrap\u003e\u003cp style=\"margin:0;line-height:normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:8.0pt;font-family:'Calibri',sans-serif;\"\u003e32-14358T\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"border:solid windowtext 1.0pt;padding:1.0pt 1.8pt 1.0pt 1.8pt;vertical-align:top;white-space:nowrap;\" nowrap\u003e\u003cp style=\"margin:0;line-height:normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:8.0pt;font-family:'Calibri',sans-serif;\"\u003eLower 4-inch · elbow to Y-pipe · qty 2 in this kit\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:solid windowtext 1.0pt;background:#f5f5f5;padding:1.0pt 1.8pt 1.0pt 1.8pt;vertical-align:top;white-space:nowrap;\" nowrap\u003e\u003cp style=\"margin:0;line-height:normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:8.0pt;font-family:'Calibri',sans-serif;\"\u003eOEM · upper ×2\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"border:solid windowtext 1.0pt;background:#f5f5f5;padding:1.0pt 1.8pt 1.0pt 1.8pt;vertical-align:top;white-space:nowrap;\" nowrap\u003e\u003cp style=\"margin:0;line-height:normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:8.0pt;font-family:'Calibri',sans-serif;\"\u003eMercury \/ Quicksilver\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"border:solid windowtext 1.0pt;background:#f5f5f5;padding:1.0pt 1.8pt 1.0pt 1.8pt;vertical-align:top;white-space:nowrap;\" nowrap\u003e\u003cp style=\"margin:0;line-height:normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:8.0pt;font-family:'Calibri',sans-serif;\"\u003e32-44348T\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"border:solid windowtext 1.0pt;background:#f5f5f5;padding:1.0pt 1.8pt 1.0pt 1.8pt;vertical-align:top;white-space:nowrap;\" nowrap\u003e\u003cp style=\"margin:0;line-height:normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:8.0pt;font-family:'Calibri',sans-serif;\"\u003eUpper 4-inch · riser to elbow · qty 2 (supersession path may show 8M0199681)\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:solid windowtext 1.0pt;padding:1.0pt 1.8pt 1.0pt 1.8pt;vertical-align:top;white-space:nowrap;\" nowrap\u003e\u003cp style=\"margin:0;line-height:normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:8.0pt;font-family:'Calibri',sans-serif;\"\u003eOEM · shutter pair\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"border:solid windowtext 1.0pt;padding:1.0pt 1.8pt 1.0pt 1.8pt;vertical-align:top;white-space:nowrap;\" nowrap\u003e\u003cp style=\"margin:0;line-height:normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:8.0pt;font-family:'Calibri',sans-serif;\"\u003eMercury \/ Quicksilver\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"border:solid windowtext 1.0pt;padding:1.0pt 1.8pt 1.0pt 1.8pt;vertical-align:top;white-space:nowrap;\" nowrap\u003e\u003cp style=\"margin:0;line-height:normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:8.0pt;font-family:'Calibri',sans-serif;\"\u003e807166A3\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"border:solid windowtext 1.0pt;padding:1.0pt 1.8pt 1.0pt 1.8pt;vertical-align:top;white-space:nowrap;\" nowrap\u003e\u003cp style=\"margin:0;line-height:normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:8.0pt;font-family:'Calibri',sans-serif;\"\u003eOffset-plate water shutters · 2 pcs · NOT the pack parent number\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:solid windowtext 1.0pt;background:#f5f5f5;padding:1.0pt 1.8pt 1.0pt 1.8pt;vertical-align:top;white-space:nowrap;\" nowrap\u003e\u003cp style=\"margin:0;line-height:normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:8.0pt;font-family:'Calibri',sans-serif;\"\u003eAftermarket\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"border:solid windowtext 1.0pt;background:#f5f5f5;padding:1.0pt 1.8pt 1.0pt 1.8pt;vertical-align:top;white-space:nowrap;\" nowrap\u003e\u003cp style=\"margin:0;line-height:normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:8.0pt;font-family:'Calibri',sans-serif;\"\u003eSierra\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"border:solid windowtext 1.0pt;background:#f5f5f5;padding:1.0pt 1.8pt 1.0pt 1.8pt;vertical-align:top;white-space:nowrap;\" nowrap\u003e\u003cp style=\"margin:0;line-height:normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:8.0pt;font-family:'Calibri',sans-serif;\"\u003e18-2746\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"border:solid windowtext 1.0pt;background:#f5f5f5;padding:1.0pt 1.8pt 1.0pt 1.8pt;vertical-align:top;white-space:nowrap;\" nowrap\u003e\u003cp style=\"margin:0;line-height:normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:8.0pt;font-family:'Calibri',sans-serif;\"\u003eLower boot cross-ref (1 per engine)\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:solid windowtext 1.0pt;padding:1.0pt 1.8pt 1.0pt 1.8pt;vertical-align:top;white-space:nowrap;\" nowrap\u003e\u003cp style=\"margin:0;line-height:normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:8.0pt;font-family:'Calibri',sans-serif;\"\u003eAftermarket\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"border:solid windowtext 1.0pt;padding:1.0pt 1.8pt 1.0pt 1.8pt;vertical-align:top;white-space:nowrap;\" nowrap\u003e\u003cp style=\"margin:0;line-height:normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:8.0pt;font-family:'Calibri',sans-serif;\"\u003eSierra\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"border:solid windowtext 1.0pt;padding:1.0pt 1.8pt 1.0pt 1.8pt;vertical-align:top;white-space:nowrap;\" nowrap\u003e\u003cp style=\"margin:0;line-height:normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:8.0pt;font-family:'Calibri',sans-serif;\"\u003e18-2748\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"border:solid windowtext 1.0pt;padding:1.0pt 1.8pt 1.0pt 1.8pt;vertical-align:top;white-space:nowrap;\" nowrap\u003e\u003cp style=\"margin:0;line-height:normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:8.0pt;font-family:'Calibri',sans-serif;\"\u003eUpper boot cross-ref (1 per engine)\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:solid windowtext 1.0pt;background:#f5f5f5;padding:1.0pt 1.8pt 1.0pt 1.8pt;vertical-align:top;white-space:nowrap;\" nowrap\u003e\u003cp style=\"margin:0;line-height:normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:8.0pt;font-family:'Calibri',sans-serif;\"\u003eAftermarket\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"border:solid windowtext 1.0pt;background:#f5f5f5;padding:1.0pt 1.8pt 1.0pt 1.8pt;vertical-align:top;white-space:nowrap;\" nowrap\u003e\u003cp style=\"margin:0;line-height:normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:8.0pt;font-family:'Calibri',sans-serif;\"\u003eSierra\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"border:solid windowtext 1.0pt;background:#f5f5f5;padding:1.0pt 1.8pt 1.0pt 1.8pt;vertical-align:top;white-space:nowrap;\" nowrap\u003e\u003cp style=\"margin:0;line-height:normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:8.0pt;font-family:'Calibri',sans-serif;\"\u003e18-2732\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"border:solid windowtext 1.0pt;background:#f5f5f5;padding:1.0pt 1.8pt 1.0pt 1.8pt;vertical-align:top;white-space:nowrap;\" nowrap\u003e\u003cp style=\"margin:0;line-height:normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:8.0pt;font-family:'Calibri',sans-serif;\"\u003eShutter pair family · A3 only\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:solid windowtext 1.0pt;padding:1.0pt 1.8pt 1.0pt 1.8pt;vertical-align:top;white-space:nowrap;\" nowrap\u003e\u003cp style=\"margin:0;line-height:normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:8.0pt;font-family:'Calibri',sans-serif;\"\u003eAftermarket\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"border:solid windowtext 1.0pt;padding:1.0pt 1.8pt 1.0pt 1.8pt;vertical-align:top;white-space:nowrap;\" nowrap\u003e\u003cp style=\"margin:0;line-height:normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:8.0pt;font-family:'Calibri',sans-serif;\"\u003eGLM\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"border:solid windowtext 1.0pt;padding:1.0pt 1.8pt 1.0pt 1.8pt;vertical-align:top;white-space:nowrap;\" nowrap\u003e\u003cp style=\"margin:0;line-height:normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:8.0pt;font-family:'Calibri',sans-serif;\"\u003e89130 \/ 89120\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"border:solid windowtext 1.0pt;padding:1.0pt 1.8pt 1.0pt 1.8pt;vertical-align:top;white-space:nowrap;\" nowrap\u003e\u003cp style=\"margin:0;line-height:normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:8.0pt;font-family:'Calibri',sans-serif;\"\u003eLower \/ upper 4-inch cross-refs\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:solid windowtext 1.0pt;background:#f5f5f5;padding:1.0pt 1.8pt 1.0pt 1.8pt;vertical-align:top;white-space:nowrap;\" nowrap\u003e\u003cp style=\"margin:0;line-height:normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:8.0pt;font-family:'Calibri',sans-serif;\"\u003eAftermarket\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"border:solid windowtext 1.0pt;background:#f5f5f5;padding:1.0pt 1.8pt 1.0pt 1.8pt;vertical-align:top;white-space:nowrap;\" nowrap\u003e\u003cp style=\"margin:0;line-height:normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:8.0pt;font-family:'Calibri',sans-serif;\"\u003ePROmarine \/ Recmar\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"border:solid windowtext 1.0pt;background:#f5f5f5;padding:1.0pt 1.8pt 1.0pt 1.8pt;vertical-align:top;white-space:nowrap;\" nowrap\u003e\u003cp style=\"margin:0;line-height:normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:8.0pt;font-family:'Calibri',sans-serif;\"\u003e64358P \/ 64348 \/ 65166P \/ REC…\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"border:solid windowtext 1.0pt;background:#f5f5f5;padding:1.0pt 1.8pt 1.0pt 1.8pt;vertical-align:top;white-space:nowrap;\" nowrap\u003e\u003cp style=\"margin:0;line-height:normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:8.0pt;font-family:'Calibri',sans-serif;\"\u003eCatalog cross-refs · confirm by OEM number\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp style=\"margin:0.4em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\" class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"color:#ff7c40;font-family:'Calibri',sans-serif;font-size:14px;\"\u003eWrong part? Read before you order\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\u003cul style=\"margin:0.4em 0;padding-left:1.25em;font-size:14px;font-family:'Calibri',sans-serif;\"\u003e\n\u003cli style=\"margin:0.3em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\"\u003eNOT an OEM Mercury parent kit — \u003cb\u003e\u003cspan style=\"color:#ff7c40;font-family:'Calibri',sans-serif;font-size:14px;\"\u003e807166A3\u003c\/span\u003e\u003c\/b\u003e is shutters only\u003c\/li\u003e\n\u003cli style=\"margin:0.3em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\"\u003eNOT for later rectangular-grommet shutters \u003cb\u003e\u003cspan style=\"color:#ff7c40;font-family:'Calibri',sans-serif;font-size:14px;\"\u003e807166A1\u003c\/span\u003e\u003c\/b\u003e (GH 17ST002 \/ 17ST003)\u003c\/li\u003e\n\u003cli style=\"margin:0.3em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\"\u003eNOT for one-piece-manifold shutters \u003cb\u003e\u003cspan style=\"color:#ff7c40;font-family:'Calibri',sans-serif;font-size:14px;\"\u003e807166A2\u003c\/span\u003e\u003c\/b\u003e (GH 17ST007 \/ 17ST008)\u003c\/li\u003e\n\u003cli style=\"margin:0.3em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\"\u003eNOT for 3-inch Y-pipe shutters \u003cb\u003e\u003cspan style=\"color:#ff7c40;font-family:'Calibri',sans-serif;font-size:14px;\"\u003e99370A2\u003c\/span\u003e\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli style=\"margin:0.3em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\"\u003eNOT for 3-inch \/ 3-to-4-inch bellows \u003cb\u003e\u003cspan style=\"color:#ff7c40;font-family:'Calibri',sans-serif;font-size:14px;\"\u003e32-90949T\u003c\/span\u003e\u003c\/b\u003e \/ \u003cb\u003e\u003cspan style=\"color:#ff7c40;font-family:'Calibri',sans-serif;font-size:14px;\"\u003e70981A3\u003c\/span\u003e\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli style=\"margin:0.3em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\"\u003eNOT a single-engine 1 upper + 1 lower pack — that is GH \u003cb\u003e\u003cspan style=\"color:#ff7c40;font-family:'Calibri',sans-serif;font-size:14px;\"\u003e18BS001\u003c\/span\u003e\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli style=\"margin:0.3em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\"\u003eNOT a 2× lower-only pack — that is GH \u003cb\u003e\u003cspan style=\"color:#ff7c40;font-family:'Calibri',sans-serif;font-size:14px;\"\u003e18BK001\u003c\/span\u003e\u003c\/b\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"margin:0.4em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\" class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"color:#ff7c40;font-family:'Calibri',sans-serif;font-size:14px;\"\u003eWhat ships in the box\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\u003cul style=\"margin:0.4em 0;padding-left:1.25em;font-size:14px;font-family:'Calibri',sans-serif;\"\u003e\n\u003cli style=\"margin:0.3em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\"\u003e2 × Lower 4-inch exhaust bellows (32-14358T family)\u003c\/li\u003e\n\u003cli style=\"margin:0.3em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\"\u003e2 × Upper 4-inch exhaust bellows (32-44348T family)\u003c\/li\u003e\n\u003cli style=\"margin:0.3em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\"\u003e1 × Water shutter assembly 807166A3 (2 offset-plate shutters)\u003c\/li\u003e\n\u003cli style=\"margin:0.3em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\"\u003e8 × Stainless hose clamps (one at each bellow end)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"margin:0.4em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\" class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"color:#ff7c40;font-family:'Calibri',sans-serif;font-size:14px;\"\u003eOften ordered with related SKUs\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\u003cul style=\"margin:0.4em 0;padding-left:1.25em;font-size:14px;font-family:'Calibri',sans-serif;\"\u003e\n\u003cli style=\"margin:0.3em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\"\u003eSingle-engine upper+lower only (no shutters) → GH \u003cb\u003e\u003cspan style=\"color:#ff7c40;font-family:'Calibri',sans-serif;font-size:14px;\"\u003e18BS001\u003c\/span\u003e\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli style=\"margin:0.3em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\"\u003eTwo lower 32-14358T only → GH \u003cb\u003e\u003cspan style=\"color:#ff7c40;font-family:'Calibri',sans-serif;font-size:14px;\"\u003e18BK001\u003c\/span\u003e\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli style=\"margin:0.3em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\"\u003e807166A3 shutters alone → GH \u003cb\u003e\u003cspan style=\"color:#ff7c40;font-family:'Calibri',sans-serif;font-size:14px;\"\u003e17ST004\u003c\/span\u003e\u003c\/b\u003e \/ \u003cb\u003e\u003cspan style=\"color:#ff7c40;font-family:'Calibri',sans-serif;font-size:14px;\"\u003e17ST005\u003c\/span\u003e\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli style=\"margin:0.3em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\"\u003eTransom exhaust bellow (bell housing) → GH \u003cb\u003e\u003cspan style=\"color:#ff7c40;font-family:'Calibri',sans-serif;font-size:14px;\"\u003e17B1003\u003c\/span\u003e\u003c\/b\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"margin:0.4em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\" class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"color:#ff7c40;font-family:'Calibri',sans-serif;font-size:14px;\"\u003eInstall tips on the 4-inch wet exhaust path\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\u003cp style=\"margin:0.4em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-family:'Calibri',sans-serif;font-size:14px;\"\u003e\u003ci\u003eEngine-bay \/ Y-pipe work. If you are not comfortable opening the wet exhaust path on both engines, use a marine shop. This kit is not a sterndrive bell-housing bellow job — do not assume bellows adhesive \/ expander for every joint.\u003c\/i\u003e\u003c\/span\u003e\u003c\/p\u003e\u003col style=\"margin:0.4em 0;padding-left:1.35em;font-size:14px;font-family:'Calibri',sans-serif;\"\u003e\n\u003cli style=\"margin:0.3em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\"\u003eConfirm both engines: upper 32-44348T path, lower 32-14358T path, and 807166A3 offset-plate Y-pipe shutters (not A1\/A2).\u003c\/li\u003e\n\u003cli style=\"margin:0.3em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\"\u003eReplace one engine at a time or stage parts so upper\/lower\/shutter pairs do not get swapped between engines.\u003c\/li\u003e\n\u003cli style=\"margin:0.3em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\"\u003eSeat each bellow fully; clamp both ends; verify orientation and clearance to heat \/ moving parts.\u003c\/li\u003e\n\u003cli style=\"margin:0.3em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\"\u003eInstall the 807166A3 shutter pair per the Y-pipe hole style — offset-plate only.\u003c\/li\u003e\n\u003cli style=\"margin:0.3em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\"\u003eRun and check for exhaust leaks, water spray, and normal temperature on both engines before returning the boat to service.\u003c\/li\u003e\n\u003c\/ol\u003e\u003cp style=\"margin:0.4em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\" class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"color:#ff7c40;font-family:'Calibri',sans-serif;font-size:14px;\"\u003eFAQ\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\u003cp style=\"margin:0.4em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\" class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"color:#ff7c40;font-family:'Calibri',sans-serif;font-size:14px;\"\u003eIs 807166A3 the kit parent number?\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\u003cp style=\"margin:0.4em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-family:'Calibri',sans-serif;font-size:14px;\"\u003eNo. 807166A3 is only the water-shutter pair (2 shutters). This GHMarine twin pack also includes two upper and two lower 4-inch bellows plus eight clamps. There is no Mercury parent number for the full combination.\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"margin:0.4em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\" class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"color:#ff7c40;font-family:'Calibri',sans-serif;font-size:14px;\"\u003eWill this fit every twin-engine MerCruiser?\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\u003cp style=\"margin:0.4em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-family:'Calibri',sans-serif;font-size:14px;\"\u003eNo. Both engines must use the center-rise 4-inch upper\/lower bellow families and the 807166A3 offset-plate shutter style. Confirm each engine's parts diagram and serial — Alpha\/Bravo labels alone do not prove fit.\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"margin:0.4em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\" class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"color:#ff7c40;font-family:'Calibri',sans-serif;font-size:14px;\"\u003eI only have one engine to service — should I buy this?\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\u003cp style=\"margin:0.4em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-family:'Calibri',sans-serif;font-size:14px;\"\u003eUsually no. This box is sized for two engines (2 upper + 2 lower + 1 shutter pair). For one engine's upper+lower without shutters, see GH 18BS001. For shutters alone, see GH 17ST004 \/ 17ST005.\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"margin:0.4em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\" class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"color:#ff7c40;font-family:'Calibri',sans-serif;font-size:14px;\"\u003eIs this the same as 807166A1 or 807166A2?\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\u003cp style=\"margin:0.4em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-family:'Calibri',sans-serif;font-size:14px;\"\u003eNo. A1 is the later rectangular-grommet shutter family. A2 is the one-piece-manifold shutter family. This kit's shutters are the A3 offset-plate pair only.\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"margin:0.4em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\" class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"color:#ff7c40;font-family:'Calibri',sans-serif;font-size:14px;\"\u003eWhat comes in the box?\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\u003cp style=\"margin:0.4em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-family:'Calibri',sans-serif;font-size:14px;\"\u003eTwo lower 32-14358T bellows, two upper 32-44348T bellows, one 807166A3 shutter pair (2 shutters), and eight stainless clamps.\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"margin:0.4em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\" class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"color:#ff7c40;font-family:'Calibri',sans-serif;font-size:14px;\"\u003eDo I need bellows adhesive and an expander?\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\u003cp style=\"margin:0.4em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-family:'Calibri',sans-serif;font-size:14px;\"\u003eFollow the service method for each joint. This is an engine-bay 4-inch wet-exhaust service kit, not the transom bell-housing exhaust bellow (GH 17B1003). Do not copy adhesive\/expander steps from a sterndrive boot listing blindly.\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"margin:0.4em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\" class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"color:#ff7c40;font-family:'Calibri',sans-serif;font-size:14px;\"\u003ePlease note\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\u003cp style=\"margin:0.4em 0;line-height:1.55;font-size:14px;font-family:'Calibri',sans-serif;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-family:'Calibri',sans-serif;font-size:14px;\"\u003eAftermarket replacement combination by GHMarine. Not an OEM Mercury parent kit. Not affiliated with engine manufacturers named above. \"Compatible with\", \"Replaces\", and cross-ref numbers identify component families — always confirm both engines' serial numbers, Y-pipe shutter style, and upper\/lower part numbers before ordering.\u003c\/span\u003e\u003c\/p\u003e","brand":"GHMarine","offers":[{"title":"Default Title","offer_id":51289105924342,"sku":"18BS002","price":0.0,"currency_code":"USD","in_stock":false}],"url":"https:\/\/gh-marine.com\/products\/32-14358t-32-44348t-twin-engine-4-inch-exhaust-service-kit-fits-mercruiser-center-rise-4-inch-wet-exhaust-with-807166a3-shutters-replaces-18-2746-18-2748-18-2732","provider":"GH Marine","version":"1.0","type":"link"}