{"product_id":"exhaust-bellows-for-mercruiser-mc-i-mr-alpha-18654a1","title":"Exhaust Bellows for MerCruiser MC-I, MR \u0026 Alpha — 18654A1","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;\"\u003eFlexible, ribbed composite exhaust bellows with hose clamps for both ends, referenced to Mercury \/ MerCruiser 18654A1, 8M0124227, and 32734A3 for the bell-housing position on the listed MerCruiser sterndrives.\u003c\/p\u003e\n    \u003cp style=\"margin:0 0 14px;\"\u003eThis part is an exhaust bellows only and is separate from the U-joint bellows; verify the bellows position, drive model, and existing part reference before ordering.\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 14px;\"\u003eFor replacing the bell-housing exhaust bellows on the MerCruiser sterndrive applications listed below. Match both the drive model and the exhaust-bellows part reference before purchase.\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 · MC-I \/ #1 Units\u003c\/p\u003e\n        \u003cp style=\"margin:0;color:#263c37;font-size:15px;line-height:1.8;\"\u003e\u003cstrong\u003eYear:\u003c\/strong\u003e 1963 and newer\u003c\/p\u003e\n        \u003cp style=\"margin:0;color:#263c37;font-size:15px;line-height:1.8;\"\u003eBell-housing exhaust bellows application referenced to 18654A1.\u003c\/p\u003e\n        \u003cp style=\"margin:6px 0 0;color:#315a4b;font-size:13px;font-weight:700;line-height:1.6;\"\u003eApplication match\u003c\/p\u003e\n      \u003c\/li\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 · MR\u003c\/p\u003e\n        \u003cp style=\"margin:0;color:#263c37;font-size:15px;line-height:1.8;\"\u003e\u003cstrong\u003eYear:\u003c\/strong\u003e 1963 and newer\u003c\/p\u003e\n        \u003cp style=\"margin:0;color:#263c37;font-size:15px;line-height:1.8;\"\u003eBell-housing exhaust bellows application referenced to 18654A1.\u003c\/p\u003e\n        \u003cp style=\"margin:6px 0 0;color:#315a4b;font-size:13px;font-weight:700;line-height:1.6;\"\u003eApplication match\u003c\/p\u003e\n      \u003c\/li\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 · Alpha One\u003c\/p\u003e\n        \u003cp style=\"margin:0;color:#263c37;font-size:15px;line-height:1.8;\"\u003e\u003cstrong\u003eYear:\u003c\/strong\u003e 1963 and newer\u003c\/p\u003e\n        \u003cp style=\"margin:0;color:#263c37;font-size:15px;line-height:1.8;\"\u003eBell-housing exhaust bellows application referenced to 18654A1.\u003c\/p\u003e\n        \u003cp style=\"margin:6px 0 0;color:#315a4b;font-size:13px;font-weight:700;line-height:1.6;\"\u003eApplication match\u003c\/p\u003e\n      \u003c\/li\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 · Alpha One Gen II\u003c\/p\u003e\n        \u003cp style=\"margin:0;color:#263c37;font-size:15px;line-height:1.8;\"\u003e\u003cstrong\u003eYear:\u003c\/strong\u003e 1963 and newer\u003c\/p\u003e\n        \u003cp style=\"margin:0;color:#263c37;font-size:15px;line-height:1.8;\"\u003eBell-housing exhaust bellows application referenced to 18654A1.\u003c\/p\u003e\n        \u003cp style=\"margin:6px 0 0;color:#315a4b;font-size:13px;font-weight:700;line-height:1.6;\"\u003eApplication match\u003c\/p\u003e\n      \u003c\/li\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 · Vazer\u003c\/p\u003e\n        \u003cp style=\"margin:0;color:#263c37;font-size:15px;line-height:1.8;\"\u003e\u003cstrong\u003eYear:\u003c\/strong\u003e 1963 and newer\u003c\/p\u003e\n        \u003cp style=\"margin:0;color:#263c37;font-size:15px;line-height:1.8;\"\u003eBell-housing exhaust bellows application referenced to 18654A1.\u003c\/p\u003e\n        \u003cp style=\"margin:6px 0 0;color:#315a4b;font-size:13px;font-weight:700;line-height:1.6;\"\u003eApplication match\u003c\/p\u003e\n      \u003c\/li\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 · Bravo (Bravo I, II, III)\u003c\/p\u003e\n        \u003cp style=\"margin:0;color:#263c37;font-size:15px;line-height:1.8;\"\u003e\u003cstrong\u003eYear:\u003c\/strong\u003e 1963 and newer\u003c\/p\u003e\n        \u003cp style=\"margin:0;color:#263c37;font-size:15px;line-height:1.8;\"\u003eBell-housing exhaust bellows application referenced to 18654A1.\u003c\/p\u003e\n        \u003cp style=\"margin:6px 0 0;color:#315a4b;font-size:13px;font-weight:700;line-height:1.6;\"\u003eApplication match\u003c\/p\u003e\n      \u003c\/li\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 · Blackhawk\u003c\/p\u003e\n        \u003cp style=\"margin:0;color:#263c37;font-size:15px;line-height:1.8;\"\u003e\u003cstrong\u003eYear:\u003c\/strong\u003e 1963 and newer\u003c\/p\u003e\n        \u003cp style=\"margin:0;color:#263c37;font-size:15px;line-height:1.8;\"\u003eBell-housing exhaust bellows application referenced to 18654A1.\u003c\/p\u003e\n        \u003cp style=\"margin:6px 0 0;color:#315a4b;font-size:13px;font-weight:700;line-height:1.6;\"\u003eApplication match\u003c\/p\u003e\n      \u003c\/li\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 · TRS\u003c\/p\u003e\n        \u003cp style=\"margin:0;color:#263c37;font-size:15px;line-height:1.8;\"\u003eBell-housing exhaust bellows application referenced to 18654A1.\u003c\/p\u003e\n        \u003cp style=\"margin:6px 0 0;color:#315a4b;font-size:13px;font-weight:700;line-height:1.6;\"\u003eApplication match\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    \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;\"\u003eMercury \/ Mariner \/ MerCruiser \/ Quicksilver\u003c\/th\u003e\n          \u003ctd style=\"padding:12px 0 12px 10px;border-bottom:1px solid #d6dfd9;vertical-align:top;color:#263c37;overflow-wrap:anywhere;\"\u003e18654A1, 18654A 1, 18654a 1, 8M0124227, 32734A3, 18654B1, 32734\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\u003c\/th\u003e\n          \u003ctd style=\"padding:12px 0 12px 10px;border-bottom:1px solid #d6dfd9;vertical-align:top;color:#263c37;overflow-wrap:anywhere;\"\u003e18-2750, 18-710-48-2\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;\"\u003eSEI Marine\u003c\/th\u003e\n          \u003ctd style=\"padding:12px 0 12px 10px;border-bottom:1px solid #d6dfd9;vertical-align:top;color:#263c37;overflow-wrap:anywhere;\"\u003e9A-108-03K\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\u003c\/th\u003e\n          \u003ctd style=\"padding:12px 0 12px 10px;border-bottom:1px solid #d6dfd9;vertical-align:top;color:#263c37;overflow-wrap:anywhere;\"\u003eMR-911\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\u003c\/th\u003e\n          \u003ctd style=\"padding:12px 0 12px 10px;border-bottom:1px solid #d6dfd9;vertical-align:top;color:#263c37;overflow-wrap:anywhere;\"\u003e9-72703\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\u003c\/th\u003e\n          \u003ctd style=\"padding:12px 0 12px 10px;border-bottom:1px solid #d6dfd9;vertical-align:top;color:#263c37;overflow-wrap:anywhere;\"\u003e89100\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;\"\u003eCEF\u003c\/th\u003e\n          \u003ctd style=\"padding:12px 0 12px 10px;border-bottom:1px solid #d6dfd9;vertical-align:top;color:#263c37;overflow-wrap:anywhere;\"\u003e500512K, CEF500512K\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;\"\u003eRECMAR\u003c\/th\u003e\n          \u003ctd style=\"padding:12px 0 12px 10px;border-bottom:1px solid #d6dfd9;vertical-align:top;color:#263c37;overflow-wrap:anywhere;\"\u003eREC18654A1\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 bellows with hose clamps\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;\"\u003ePosition\u003c\/th\u003e\n          \u003ctd style=\"padding:12px 0 12px 10px;border-bottom:1px solid #d6dfd9;vertical-align:top;color:#263c37;\"\u003eBell housing exhaust passage\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;\"\u003eConstruction\u003c\/th\u003e\n          \u003ctd style=\"padding:12px 0 12px 10px;border-bottom:1px solid #d6dfd9;vertical-align:top;color:#263c37;\"\u003eFlexible, ribbed composite bellows\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;\"\u003eAttachment method\u003c\/th\u003e\n          \u003ctd style=\"padding:12px 0 12px 10px;border-bottom:1px solid #d6dfd9;vertical-align:top;color:#263c37;\"\u003eHose clamps at both ends\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 bellows\u003c\/li\u003e\n      \u003cli style=\"margin:0 0 10px;\"\u003eHose clamps for both ends\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;\"\u003eConfirm that the part being replaced is the bell-housing exhaust bellows rather than the U-joint bellows, and compare the existing part against reference 18654A1.\u003c\/li\u003e\n      \u003cli style=\"margin:0 0 10px;\"\u003eClean and inspect the bell-housing and transom-side mounting necks so both seating surfaces are free of old material, corrosion, or debris before fitting the new bellows.\u003c\/li\u003e\n      \u003cli style=\"margin:0 0 10px;\"\u003ePosition the bellows without twists or uneven folds and secure both ends with the hose clamps in accordance with the MerCruiser service manual for your specific drive.\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;\"\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":52022958981366,"sku":"17B1003","price":21.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0741\/5781\/8102\/files\/Exhaust_Bellows_Fits_Mercruiser_Alpha_1_Gen_II_Bravo_32734A3_-_JLM_MARINE-8287838.jpg?v=1792750496","url":"https:\/\/gh-marine.com\/products\/exhaust-bellows-for-mercruiser-mc-i-mr-alpha-18654a1","provider":"GH Marine","version":"1.0","type":"link"}