Mercury Engine Coupler

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Mfr # 118-2171. Sierra 182171 Engine Coupler This Engine Coupler fits all GM model engines with a triangular threebolt coupler, excluding MRAlphaBravo An engine coupler links the e ngine to the outdrive, located outside the boat The coupler is made of aluminum and rubber, and it isolates vibration between the engine and the outdrive Key Features Meets or surpasses the quality of the original coupler Expertly crafted using excellent materials Designed to meet your exact specifications An aftermarket engine coupler connects early Mercruiser GM engines to stern drives Compatible with the following vehicle types marinepersonalcraft Specifications Brand SeaStar Solutions SKU 182171 UPC 030999311757 Weight 363 LBS Manufacturer Part Number MPN 1182171 Type Couplings Overall diameter 412 Bolt center diameter 3916 Overall length 412 Mounting holes 6 Sierra provides hundreds of quality parts to several OEM engine manufacturers and boat builders every day to suit today's high horsepower engine needs while also standing up to the severe marine environment For All GM engines except MRAlphaBravo with Triangular, 3bolt coupler This product replaces 38965A1, 38965A2, 472171, GLM11500, 32492A2, 32492A1, 32492A5, 32492A3, AP1446, 30999311757, 3099931175, 972502, 9211500D Show more