{"product_id":"861839a3-mercruiser-coupler-genuine-used-part","title":"861839A3 Mercruiser Coupler | Genuine Used Part","description":"\u003cp\u003e\n 🔧 Product Description\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Genuine MerCruiser 1.7L \/ 2.0L Diesel Sterndrive Coupler - Part Number: 861839A3\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n A genuine used MerCruiser engine coupler for selected 1.7-litre and 2.0-litre inline four-cylinder diesel sterndrive engines.\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n The coupler bolts to the engine flywheel and transfers diesel-engine torque to the sterndrive input shaft through its splined centre. It was designed specifically for the compact MerCruiser 1.7 DTI and 2.0 EI \/ ES diesel families.\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n ⚙️ Key Features\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Genuine MerCruiser diesel engine coupler\n\u003c\/p\u003e\n\u003cp\u003e\n • Correct Mercury reference 861839A3\n\u003c\/p\u003e\n\u003cp\u003e\n • Designed for compact inline four-cylinder diesels\n\u003c\/p\u003e\n\u003cp\u003e\n • Transfers flywheel torque to the sterndrive input shaft\n\u003c\/p\u003e\n\u003cp\u003e\n • Fits selected 1.7L and 2.0L MerCruiser diesel packages\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n 🔄 Supersession \u0026amp; Cross Reference\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n OEM Supersession Chain:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • 861839A3 current Mercury service reference for the applicable diesel coupler\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n OEM \/ Related Numbers:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • 861839A3\n\u003c\/p\u003e\n\u003cp\u003e\n • 861839A 3\n\u003c\/p\u003e\n\u003cp\u003e\n • Flywheel-cover and coupler hardware from the 1.7L \/ 2.0L diesel assembly\n\u003c\/p\u003e\n\u003cp\u003e\n • Related driveshaft assembly: 862772A28 on specified 1.7 DTI installations\n\u003c\/p\u003e\n\u003cp\u003e\n • Coupler mounting hardware from the applicable engine serial range\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Aftermarket \/ Verified Equivalents:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • No aftermarket equivalent\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n 🚤 Compatibility\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Commonly used on:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 1.7L DTI diesel sterndrives\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 1.7 MI and 1.7 MS engines\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 2.0 EI and 2.0 ES diesel packages\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Typically suits:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Engine models and serial ranges:\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 1.7 MI 120 inline four-cylinder - serial 88109041 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 1.7 MS 120 inline four-cylinder - serial 8810800 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 1.7L DTI - serial 0M055000 through 0M999999\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 2.0 EI 115 - serial 88200000 onward in the listed ranges\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 2.0 EI 130\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 2.0 EI 150\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 2.0 ES 130\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 2.0 ES 150\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 2.0 ES 170\n\u003c\/p\u003e\n\u003cp\u003e\n • Engines whose flywheel-housing diagram specifies coupler 861839A3\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • HP Range: 115HP - 170HP\n\u003c\/p\u003e\n\u003cp\u003e\n • Engine Type: Inline four-cylinder turbo-diesel marine engine\n\u003c\/p\u003e\n\u003cp\u003e\n • Year Range: Engine and serial-number controlled\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n 🔌 Function\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n The coupler transfers rotation from the diesel flywheel to the sterndrive input shaft while damping engine torsional pulses and gear-engagement shock.\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Common signs of failure:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Engine runs but drive input is lost\n\u003c\/p\u003e\n\u003cp\u003e\n • Splines are stripped or heavily worn\n\u003c\/p\u003e\n\u003cp\u003e\n • Rubber or damping material separates\n\u003c\/p\u003e\n\u003cp\u003e\n • Knocking from the flywheel housing\n\u003c\/p\u003e\n\u003cp\u003e\n • Excessive vibration under load\n\u003c\/p\u003e\n\u003cp\u003e\n • Coupler overheats or produces a burning smell\n\u003c\/p\u003e\n\u003cp\u003e\n • Input shaft is difficult to align\n\u003c\/p\u003e\n\u003cp\u003e\n • Repeated failure caused by incorrect engine alignment\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n 📦 Condition\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Genuine used part\n\u003c\/p\u003e\n\u003cp\u003e\n • Removed from running engine where applicable\n\u003c\/p\u003e\n\u003cp\u003e\n • In good working condition unless otherwise stated\n\u003c\/p\u003e\n","brand":"Sawley's Auto and Marine","offers":[{"title":"Default Title","offer_id":53392236871972,"sku":"A107649","price":125.0,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/8115\/7924\/files\/original_dc54682e-b6dc-43cc-801e-8001505253c1.jpg?v=1777433157","url":"https:\/\/www.sawleysautoandmarine.com.au\/products\/861839a3-mercruiser-coupler-genuine-used-part","provider":"Sawley's Auto and Marine","version":"1.0","type":"link"}