{"product_id":"sierra-18-2171-mercruiser-engine-coupler-replaces-76850a2","title":"Sierra Engine Coupler - SIE-18-2171","description":"\u003cp\u003eSierra 18-2171 MerCruiser Engine Coupler\u003c\/p\u003e\u003cp\u003eSierra replacement round style engine coupler for all GM marine engines Except MerCruiser MR\/Alpha\/Bravo with Triangular, 3-bolt coupler. All Sierra aftermarket parts are manufactured to meet or exceed OEM requirements.\u003c\/p\u003e\u003cp\u003eInterchangeable with:\u003c\/p\u003e\u003cp\u003eGLM\u003c\/p\u003e\u003cp\u003e11500\u003c\/p\u003e\u003cp\u003eMallory\u003c\/p\u003e\u003cp\u003e9-72502\u003c\/p\u003e\u003cp\u003eMerCruiser Stern Drive\u003c\/p\u003e\u003cp\u003e32492A2\u003c\/p\u003e\u003cp\u003e32492A3\u003c\/p\u003e\u003cp\u003e32492A5\u003c\/p\u003e\u003cp\u003e38965A1\u003c\/p\u003e\u003cp\u003e38965A2\u003c\/p\u003e\u003cp\u003e76850A2\u003c\/p\u003e\u003cp\u003eHow to Align Your Boat Engine Video\u003c\/p\u003e\u003cp\u003eFrequently Asked Questions\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWhat is the Sierra 18-2171 MerCruiser Engine Coupler used for? The Sierra 18-2171 MerCruiser Engine Coupler is a replacement round-style engine coupler designed for GM marine engines in the applications specified by Sierra. It is manufactured to meet or exceed OEM requirements and is intended as a replacement component for compatible marine engine applications.\u003c\/li\u003e\n\u003cli\u003eWhich engines does the Sierra 18-2171 Engine Coupler fit? The Sierra 18-2171 fits all GM marine engines except MerCruiser MR, Alpha, and Bravo applications that use a triangular, 3-bolt coupler. Before ordering, verify that your engine uses the round-style coupler rather than the excluded triangular, 3-bolt design.\u003c\/li\u003e\n\u003cli\u003eWhat type of engine coupler is the Sierra 18-2171? The Sierra 18-2171 is a round-style engine coupler. The product description specifically distinguishes this design from the triangular, 3-bolt coupler used on the excluded MerCruiser MR, Alpha, and Bravo applications.\u003c\/li\u003e\n\u003cli\u003eIs the Sierra 18-2171 interchangeable with other engine coupler part numbers? Yes. The Sierra 18-2171 is listed as interchangeable with GLM 11500, Mallory 9-72502, and several MerCruiser Stern Drive part numbers, including 32492A2, 32492A3, 32492A5, 38965A1, 38965A2, and 76850A2. Verify the applicable part number and coupler style before replacement.\u003c\/li\u003e\n\u003cli\u003eDoes the Sierra 18-2171 meet OEM requirements? According to the product description, Sierra aftermarket parts are manufactured to meet or exceed OEM requirements. The Sierra 18-2171 is identified as a replacement round-style engine coupler for the specified GM marine engine applications.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sierra","offers":[{"title":"Default Title","offer_id":50582429008130,"sku":"SIE-18-2171","price":354.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/3024\/2562\/files\/SIE-18-2171_lg__02766.1558121284.webp?v=1791081314","url":"https:\/\/allmarineworld.com\/products\/sierra-18-2171-mercruiser-engine-coupler-replaces-76850a2","provider":"All Marine World","version":"1.0","type":"link"}