Mercruiser Engine Couplers

      • 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 18-2175 Engine Coupler Kit Replaces 18643A
        List Price: $402.99
        Starting At: $243.95

        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...

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      • Sierra 18-2414 Engine Coupler Replaces 97432A2
        List Price: $521.49
        Starting At: $364.99

        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

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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 18-2195 Engine Coupler Kit Replaces 12632A7
        List Price: $457.49
        Starting At: $309.95

        Mercruiser 4cyl Engine Coupler by Sierra Flex plat style for GM 4 cyl engines with late style, small crankshaft bolt pattern. Replaces: Mercruiser Stern Drive 12632A7,12632A3 Aqua Power 13062 Redline RL2195   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 18-2173 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 18-1275 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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