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Mercruiser Engine Couplers

      • Sierra 18-4442 Engine Alignment Tool Replaces 91-805475A1
        List Price: $154.49
        Starting At: $117.49

        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,...

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      • Sierra 18-2171 Engine Coupler Replaces 76850A2
        List Price: $247.49
        Starting At: $162.95

        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,  ...

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      • Sierra 18-2323 Engine Coupler Replaces 18643A5
        List Price: $311.49
        Starting At: $217.99

        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...

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      • Sierra 18-2321 Engine Coupler Replaces 12632A6
        List Price: $273.49
        Starting At: $191.49

        Mercruiser Engine Coupler by Sierra Same as 18-2195 without yoke. Replaces: Mercury 12632A-6 Mallory 9-72506 Redline RL2321   Alignment Video

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      • Sierra 18-2413 Engine Coupler Replaces 69354A2
        List Price: $604.99
        Starting At: $305.25

        Mercruiser Engine Coupler by Sierra For 470, 485 (224 cu. in.) S/N 4208730-6218036 (1976-1982). Replaces: Mercury - 69354A2 Mallory - 9-72504 Redline - RL2413  Alignment Video

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      • Sierra 18-2173 Engine Coupler Replaces 59726A3
        List Price: $404.99
        Starting At: $269.95

        Mercruiser Ford Engine Coupler by Sierra For Ford Engines Replaces: Mercury - 59826A3, 59826A1 GLM - 11510 Mallory - 9-72501 OMC - 0775496   Alignment Video

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      • Sierra 18-2172 Engine Coupler Replaces 14505A2
        List Price: $385.49
        Starting At: $260.45

        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 ...

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      • Sierra 18-1275 Head Gasket Set
        List Price: $324.49
        Starting At: $163.74

        Sierra Head Gasket Set Special Order est. 10 Days For use on Chevy V-6 229/3.8L and 4.3L Engine Head Gasket Set Contains: Description                                                         Part # Head Gasket                                        ...

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