same day shipping clock icon
free shipping box icon
price tag icon

Mercruiser Engine Couplers

      • Sierra 18-4442 Engine Alignment Tool Replaces 91-805475A1
        List Price: $155.83
        Now: $118.43

        Engine Alignment Tool for Mercruiser, OMC, Volvo Used to verify engine alignment on the following: All MC-I, R-MR, Alpha 1, Alpha One/Gen 2 drives All Bravo drives All OMC Cobra drives Replaces: Mercruiser OEM 91-805475A1, 91-57797A3, 91-37384,...

        Add to Cart
      • Sierra 18-2171 Engine Coupler Replaces 76850A2
        List Price: $258.26
        Starting At: $180.78

        Mercruiser Engine Coupler by Sierra Round Style Engine Coupler for All GM Marine Engines Except Mercruiser MR/Alpha/Bravo with Triangular, 3-Bolt Coupler. Replaces: Mercruiser 76850A2, 38965A1, 38965A2, 32492A, 32492A3, 32492A5 GLM 11500,  ...

        Add to Cart
      • Sierra 18-2323 Engine Coupler Replaces 18643A5
        List Price: $338.90
        Starting At: $237.23

        Mercruiser Engine Coupler by Sierra Flex plate style for late model, small crankshaft bolt pattern engines. Same as SIE-18-2175 without the yoke. Applications: 3.0L 0L097000 & UP 1998-UP 262 Mag. EFI (Gen+) 0F803800-0K999999 1996-1997 4.3L...

        Add to Cart
      • Sierra 18-2175 Engine Coupler Kit Replaces 18643A
        List Price: $440.51
        Starting At: $334.79

        Mercruiser Engine Coupler Kit by Sierra Flex plate style for late model, small crankshaft bolt pattern, style engines. Uses: Yoke Shaft 18-2146 Replaces: Mercruiser 18643A7,12632A4,18643A2 Aqua Power 13058 Redline RL2175   Alignment Video...

        Add to Cart
      • Sierra 18-2414 Engine Coupler Replaces 97432A2
        List Price: $539.49
        Starting At: $377.64

        Mercruiser Engine Coupler by Sierra For 165, 170, 470, 3.7L S/N 6170297 & Up (1983 - 1989), 180, 190, 488, 3.7LX S/N 6170297 & Up (1983 - 1989). Replaces: Mercury - 97432A2 Mallory - 9-72505   Alignment Video

        Add to Cart
      • Sierra 18-2172 Engine Coupler Replaces 14505A2
        List Price: $405.54
        Starting At: $283.88

        Mercruiser Engine Coupler by Sierra Used when replacing V6 or V8 2 piece rear main seal with 3-1/2" crankshaft bolt pattern to a newer 1 piece rear main seal engine with 3" bolt pattern. Replaces: Mercruiser 14505A2 GLM 11520 Mallory 9-72500 OMC ...

        Add to Cart