{"title":"MerCruiser GM V6 \/ V8 S.B. Sterndrive — 2002–2004 · Dry Joint · 7° · 4 in · Exhaust system","description":"\u003cdiv class=\"model-catalog\"\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/mercruiser-gm-v6-v8-s-b-sterndrive\"\u003eBack to MerCruiser GM V6 \/ V8 S.B. Sterndrive\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eMatch the application and restrictions below with your engine or drive before ordering.\u003c\/p\u003e\n\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eProduct\u003c\/th\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003cth\u003eCatalog reference\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/exhaust-y-pipe-kit-for-mercruiser-4-exhaust-tube-water-shutter\"\u003eExhaust Y-Pipe Kit for MerCruiser 4\" Exhaust Tube \u0026amp; Water Shutter\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eYear: 2002–2004; Joint: Dry Joint; Elbow angle (degrees): 7; Exhaust diameter (in): 4\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"catalog-reference\"\u003eCatalog parts list\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e","products":[{"product_id":"exhaust-y-pipe-kit-for-mercruiser-4-exhaust-tube-water-shutter","title":"Exhaust Y-Pipe Kit for MerCruiser 4\" Exhaust Tube \u0026 Water Shutter","description":"\u003cdiv style=\"width:100%;max-width:920px;margin:0 auto;box-sizing:border-box;font-size:16px;line-height:1.75;color:#263c37;background:#ffffff;overflow-wrap:anywhere;\"\u003e\n  \u003csection style=\"margin:0;padding:26px 24px;border-top:3px solid #234f42;border-bottom:1px solid #d6dfd9;background:#f3f6f2;box-sizing:border-box;\"\u003e\n    \u003cp style=\"margin:0 0 12px;color:#315a4b;font-size:12px;font-weight:700;letter-spacing:1.4px;line-height:1.6;text-transform:uppercase;\"\u003eGH MARINE \/ BELLOWS \u0026amp; RELATED PARTS\u003c\/p\u003e\n    \u003ch2 style=\"margin:0 0 16px;color:#234f42;font-size:25px;font-weight:400;line-height:1.3;\"\u003eAbout this part\u003c\/h2\u003e\n    \u003cp style=\"margin:0 0 14px;\"\u003eThis exhaust Y-pipe service kit is for MerCruiser stern drive applications using 4-inch upper and lower exhaust tubes and exhaust water shutters referenced by OEM component numbers 32-14358T, 32-44348T, and 807166A1. The listed OEM numbers identify the individual exhaust components rather than a single complete-kit part number; confirm each component reference and your exhaust Y-pipe configuration before purchase.\u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin:0;padding:30px 0;border-bottom:1px solid #d6dfd9;\"\u003e\n    \u003ch2 style=\"margin:0 0 16px;color:#234f42;font-size:25px;font-weight:400;line-height:1.3;\"\u003eMatch the application\u003c\/h2\u003e\n    \u003cp style=\"margin:0 0 16px;color:#52665e;font-size:15px;line-height:1.75;\"\u003eMatch this kit by verifying the individual upper exhaust tube, lower exhaust tube, and water shutter part numbers installed on your exhaust Y-pipe assembly.\u003c\/p\u003e\n    \u003cul style=\"list-style:none;margin:0;padding:0;\"\u003e\n      \u003cli style=\"margin:0;padding:16px 0;border-top:1px solid #d6dfd9;\"\u003e\n        \u003cp style=\"margin:0 0 4px;color:#234f42;font-size:17px;font-weight:700;line-height:1.5;\"\u003eMerCruiser Stern \/ Out Drive · Exhaust Y-Pipe Assembly\u003c\/p\u003e\n        \u003cp style=\"margin:0;color:#263c37;font-size:15px;line-height:1.8;\"\u003eFor servicing the 4-inch lower exhaust tube (32-14358T), 4-inch upper exhaust tube (32-44348T), and exhaust water shutter (807166A1) around an exhaust Y-pipe. Confirm the individual component numbers and exhaust configuration before ordering; do not assume a water shutter with a different suffix, such as 807166A3, is interchangeable.\u003c\/p\u003e\n        \u003cp style=\"margin:6px 0 0;color:#76571f;font-size:13px;font-weight:700;line-height:1.6;\"\u003eApplies with the stated conditions\u003c\/p\u003e\n      \u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin:0;padding:30px 0;border-bottom:1px solid #d6dfd9;\"\u003e\n    \u003ch2 style=\"margin:0 0 16px;color:#234f42;font-size:25px;font-weight:400;line-height:1.3;\"\u003eNumbers to compare\u003c\/h2\u003e\n    \u003cp style=\"margin:0 0 16px;color:#52665e;font-size:15px;line-height:1.75;\"\u003eThe numbers below identify individual exhaust tubes, water shutters, or component references associated with this Y-pipe service kit. They are not single-part-number equivalents for the entire kit.\u003c\/p\u003e\n    \u003ctable style=\"width:100%;table-layout:fixed;border-collapse:collapse;text-align:left;font-size:15px;\"\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:12px 10px 12px 0;border-bottom:1px solid #d6dfd9;text-align:left;vertical-align:top;color:#52665e;font-weight:400;\"\u003ePrimary component OEM references\u003c\/th\u003e\n          \u003ctd style=\"padding:12px 0 12px 10px;border-bottom:1px solid #d6dfd9;vertical-align:top;color:#263c37;\"\u003e\u003cspan style=\"overflow-wrap:anywhere;\"\u003e32-14358T (32-14358T*2), 32-44348T (32-44348T*2), 807166A1 (807166A1*2)\u003c\/span\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:12px 10px 12px 0;border-bottom:1px solid #d6dfd9;text-align:left;vertical-align:top;color:#52665e;font-weight:400;\"\u003eLower exhaust tube (4-inch) OEM references\u003c\/th\u003e\n          \u003ctd style=\"padding:12px 0 12px 10px;border-bottom:1px solid #d6dfd9;vertical-align:top;color:#263c37;\"\u003e\u003cspan style=\"overflow-wrap:anywhere;\"\u003eMercury Mariner \/ MerCruiser Stern \/ Out Drive: 32-14358T, 32-14358, 31-14358001, 32-14358001, 3214358001, 14358001, 3214358T, 14358T\u003c\/span\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:12px 10px 12px 0;border-bottom:1px solid #d6dfd9;text-align:left;vertical-align:top;color:#52665e;font-weight:400;\"\u003eUpper exhaust tube (4-inch) OEM references\u003c\/th\u003e\n          \u003ctd style=\"padding:12px 0 12px 10px;border-bottom:1px solid #d6dfd9;vertical-align:top;color:#263c37;\"\u003e\u003cspan style=\"overflow-wrap:anywhere;\"\u003eMercury Mariner \/ MerCruiser Stern \/ Out Drive: 32-44348T, 32-44348, 31-44348001, 32-44348001, 3244348001, 44348001, 3244348T, 44348T\u003c\/span\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:12px 10px 12px 0;border-bottom:1px solid #d6dfd9;text-align:left;vertical-align:top;color:#52665e;font-weight:400;\"\u003eExhaust water shutter OEM reference\u003c\/th\u003e\n          \u003ctd style=\"padding:12px 0 12px 10px;border-bottom:1px solid #d6dfd9;vertical-align:top;color:#263c37;\"\u003e\u003cspan style=\"overflow-wrap:anywhere;\"\u003eMercury Mariner \/ MerCruiser Stern \/ Out Drive: 807166A1\u003c\/span\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:12px 10px 12px 0;border-bottom:1px solid #d6dfd9;text-align:left;vertical-align:top;color:#52665e;font-weight:400;\"\u003eNon-interchangeable suffix note\u003c\/th\u003e\n          \u003ctd style=\"padding:12px 0 12px 10px;border-bottom:1px solid #d6dfd9;vertical-align:top;color:#263c37;\"\u003e\u003cspan style=\"overflow-wrap:anywhere;\"\u003eMercury Mariner \/ MerCruiser Stern \/ Out Drive: 807166A3 (listed for comparison only; do not assume 807166A3 is interchangeable with 807166A1)\u003c\/span\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:12px 10px 12px 0;border-bottom:1px solid #d6dfd9;text-align:left;vertical-align:top;color:#52665e;font-weight:400;\"\u003eSierra component references\u003c\/th\u003e\n          \u003ctd style=\"padding:12px 0 12px 10px;border-bottom:1px solid #d6dfd9;vertical-align:top;color:#263c37;\"\u003e\u003cspan style=\"overflow-wrap:anywhere;\"\u003e18-2732, 18-2732-9, 18-2746, 18-2748\u003c\/span\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:12px 10px 12px 0;border-bottom:1px solid #d6dfd9;text-align:left;vertical-align:top;color:#52665e;font-weight:400;\"\u003eGLM component references\u003c\/th\u003e\n          \u003ctd style=\"padding:12px 0 12px 10px;border-bottom:1px solid #d6dfd9;vertical-align:top;color:#263c37;\"\u003e\u003cspan style=\"overflow-wrap:anywhere;\"\u003e89120, 89130, 89170, 89175\u003c\/span\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:12px 10px 12px 0;border-bottom:1px solid #d6dfd9;text-align:left;vertical-align:top;color:#52665e;font-weight:400;\"\u003eMallory component references\u003c\/th\u003e\n          \u003ctd style=\"padding:12px 0 12px 10px;border-bottom:1px solid #d6dfd9;vertical-align:top;color:#263c37;\"\u003e\u003cspan style=\"overflow-wrap:anywhere;\"\u003e9-42802, 9-72805, 9-72811\u003c\/span\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:12px 10px 12px 0;border-bottom:1px solid #d6dfd9;text-align:left;vertical-align:top;color:#52665e;font-weight:400;\"\u003eOBR Red Rhino component references\u003c\/th\u003e\n          \u003ctd style=\"padding:12px 0 12px 10px;border-bottom:1px solid #d6dfd9;vertical-align:top;color:#263c37;\"\u003e\u003cspan style=\"overflow-wrap:anywhere;\"\u003eMR-507, MR-510\u003c\/span\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:12px 10px 12px 0;border-bottom:1px solid #d6dfd9;text-align:left;vertical-align:top;color:#52665e;font-weight:400;\"\u003eEMP component reference\u003c\/th\u003e\n          \u003ctd style=\"padding:12px 0 12px 10px;border-bottom:1px solid #d6dfd9;vertical-align:top;color:#263c37;\"\u003e\u003cspan style=\"overflow-wrap:anywhere;\"\u003e32-08306\u003c\/span\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin:0;padding:30px 0;border-bottom:1px solid #d6dfd9;\"\u003e\n    \u003ch2 style=\"margin:0 0 16px;color:#234f42;font-size:25px;font-weight:400;line-height:1.3;\"\u003eTechnical details\u003c\/h2\u003e\n    \u003ctable style=\"width:100%;table-layout:fixed;border-collapse:collapse;text-align:left;font-size:15px;\"\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:12px 10px 12px 0;border-bottom:1px solid #d6dfd9;text-align:left;vertical-align:top;color:#52665e;font-weight:400;\"\u003eProduct type\u003c\/th\u003e\n          \u003ctd style=\"padding:12px 0 12px 10px;border-bottom:1px solid #d6dfd9;vertical-align:top;color:#263c37;\"\u003eExhaust Y-pipe Kit\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:12px 10px 12px 0;border-bottom:1px solid #d6dfd9;text-align:left;vertical-align:top;color:#52665e;font-weight:400;\"\u003eBrand\u003c\/th\u003e\n          \u003ctd style=\"padding:12px 0 12px 10px;border-bottom:1px solid #d6dfd9;vertical-align:top;color:#263c37;\"\u003eGH Marine\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:12px 10px 12px 0;border-bottom:1px solid #d6dfd9;text-align:left;vertical-align:top;color:#52665e;font-weight:400;\"\u003eService location\u003c\/th\u003e\n          \u003ctd style=\"padding:12px 0 12px 10px;border-bottom:1px solid #d6dfd9;vertical-align:top;color:#263c37;\"\u003eExhaust Y-pipe upper and lower tube connections and water shutter position\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:12px 10px 12px 0;border-bottom:1px solid #d6dfd9;text-align:left;vertical-align:top;color:#52665e;font-weight:400;\"\u003eExhaust tube size\u003c\/th\u003e\n          \u003ctd style=\"padding:12px 0 12px 10px;border-bottom:1px solid #d6dfd9;vertical-align:top;color:#263c37;\"\u003e4-inch upper exhaust tube (32-44348T) and 4-inch lower exhaust tube (32-14358T)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth scope=\"row\" style=\"width:36%;padding:12px 10px 12px 0;border-bottom:1px solid #d6dfd9;text-align:left;vertical-align:top;color:#52665e;font-weight:400;\"\u003eWater shutter reference\u003c\/th\u003e\n          \u003ctd style=\"padding:12px 0 12px 10px;border-bottom:1px solid #d6dfd9;vertical-align:top;color:#263c37;\"\u003e807166A1 (do not assume other suffixes such as 807166A3 interchange)\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin:0;padding:30px 0;border-bottom:1px solid #d6dfd9;\"\u003e\n    \u003ch2 style=\"margin:0 0 16px;color:#234f42;font-size:25px;font-weight:400;line-height:1.3;\"\u003eSupplied contents\u003c\/h2\u003e\n    \u003cul style=\"margin:0;padding-left:22px;\"\u003e\n      \u003cli style=\"margin:0 0 10px;\"\u003eExhaust Y-pipe Kit\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin:0;padding:30px 0;border-bottom:1px solid #d6dfd9;\"\u003e\n    \u003ch2 style=\"margin:0 0 16px;color:#234f42;font-size:25px;font-weight:400;line-height:1.3;\"\u003eWorkshop sequence\u003c\/h2\u003e\n    \u003cp style=\"margin:0 0 16px;color:#52665e;font-size:15px;line-height:1.75;\"\u003eGeneral workshop guidance only; use the service procedure for your exact drive or engine configuration.\u003c\/p\u003e\n    \u003col style=\"margin:0;padding-left:22px;list-style-type:decimal;\"\u003e\n      \u003cli style=\"margin:0 0 10px;\"\u003eCompare the removed upper exhaust tube, lower exhaust tube, and water shutter against component references 32-44348T, 32-14358T, and 807166A1 before assembly.\u003c\/li\u003e\n      \u003cli style=\"margin:0 0 10px;\"\u003eInspect the exhaust Y-pipe mounting necks, internal shutter mounting surfaces, and adjacent exhaust passages for corrosion, heat distortion, or debris from old shutter pieces.\u003c\/li\u003e\n      \u003cli style=\"margin:0 0 10px;\"\u003eSeat the 807166A1 water shutters and position the 4-inch upper (32-44348T) and lower (32-14358T) exhaust tubes in their designated locations without twisting or kinking the hose walls.\u003c\/li\u003e\n      \u003cli style=\"margin:0 0 10px;\"\u003eSecure the connections according to the service manual for your specific MerCruiser exhaust configuration.\u003c\/li\u003e\n    \u003c\/ol\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin:0;padding:30px 0;border-bottom:1px solid #d6dfd9;\"\u003e\n    \u003ch2 style=\"margin:0 0 16px;color:#234f42;font-size:25px;font-weight:400;line-height:1.3;\"\u003eQuestions from the workshop\u003c\/h2\u003e\n    \u003cdiv style=\"margin:0;padding:16px 0;border-top:1px solid #d6dfd9;\"\u003e\n      \u003ch3 style=\"margin:20px 0 8px;color:#234f42;font-size:17px;font-weight:700;line-height:1.5;\"\u003eCan I use this kit if my exhaust Y-pipe uses the 807166A3 water shutter?\u003c\/h3\u003e\n      \u003cp style=\"margin:0 0 14px;\"\u003eDo not assume 807166A3 is interchangeable with 807166A1. This kit is associated with water shutter reference 807166A1, so verify the exact suffix required by your Y-pipe design before ordering.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"margin:0;padding:16px 0;border-top:1px solid #d6dfd9;\"\u003e\n      \u003ch3 style=\"margin:20px 0 8px;color:#234f42;font-size:17px;font-weight:700;line-height:1.5;\"\u003eHow do 32-14358T and 32-44348T differ in the exhaust path?\u003c\/h3\u003e\n      \u003cp style=\"margin:0 0 14px;\"\u003eBoth references apply to 4-inch exhaust tubes, where 32-14358T identifies the lower exhaust tube and 32-44348T identifies the upper exhaust tube. Each number represents an individual component rather than the complete kit.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin:0;padding:30px 0;border-bottom:1px solid #d6dfd9;\"\u003e\n    \u003ch2 style=\"margin:0 0 16px;color:#234f42;font-size:25px;font-weight:400;line-height:1.3;\"\u003eAbout GH Marine\u003c\/h2\u003e\n    \u003cp style=\"margin:0 0 14px;\"\u003eGH Marine focuses on bellows and related marine service parts. Compare the application details, reference numbers and supplied contents together to select the part for your repair.\u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin:0;padding:30px 0;border-bottom:1px solid #d6dfd9;\"\u003e\n    \u003ch2 style=\"margin:0 0 16px;color:#234f42;font-size:25px;font-weight:400;line-height:1.3;\"\u003eDelivery information\u003c\/h2\u003e\n    \u003cp style=\"margin:0 0 14px;\"\u003eEstimated delivery: 7–15 calendar days.\u003c\/p\u003e\n  \u003c\/section\u003e\n\u003csection style=\"margin:0;padding:30px 0;border-bottom:1px solid #d6dfd9;\"\u003e\u003ch2 style=\"margin:0 0 16px;color:#234f42;font-size:25px;font-weight:400;line-height:1.3;\"\u003eHelp with your order\u003c\/h2\u003e\n\u003cp style=\"margin:0 0 14px;\"\u003eFor application questions, have your drive or engine identification and required part number ready.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/gh-marine.com\/pages\/contact\"\u003eContact GH Marine \/ fitment help\u003c\/a\u003e · \u003ca href=\"https:\/\/gh-marine.com\/pages\/returns-policy\"\u003eReturns policy\u003c\/a\u003e\u003c\/p\u003e\u003c\/section\u003e\n\u003c\/div\u003e","brand":"GH Marine","offers":[{"title":"Default Title","offer_id":52022973464822,"sku":"18BS001","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0741\/5781\/8102\/files\/12_a460b53d-967c-433f-9383-39446bcb7a2e.jpg?v=1792750994"}],"url":"https:\/\/gh-marine.com\/collections\/mercruiser-gm-v6-v8-s-b-sterndrive-20022004-dry-joint-7-4-in-exhaust-system.oembed","provider":"GH Marine","version":"1.0","type":"link"}