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Parts Selection Guide

Find the parts you need

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Prop Selection Guide

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      OMC Internal Engine Parts

      • Sierra 18-3874 Head Gasket
        $99.49
        $69.49

        Sierra 18-3874 Head Gasket Sierra replacement head gasket for Mercruiser and OMC Stern Drives. For (8.2L) 502 CID Fits MCM 425, 450, 465, 500, 502 Mag, 525SC, 600SC & MIE 8.2L (Gen V & VI) (1992 & newer) Interchangeable...

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      • Sierra 18-4373 Overhaul Gasket Set
        $217.99
        $152.99

        Sierra 18-4373 Overhaul Gasket Set for OMC 110, 120 HP & 2.5L Sierra high-quality engine parts are designed to meet OEM specifications. For 110, 120 HP & 2.5L (1965-86) Interchangeable with: GLM 39810 Mallory 9-61105

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      • Sierra 18-0405 Oil Pan Gasket
        $53.99
        $37.99

        Sierra 18-0405 Oil Pan Gasket Sierra replacement oil pan gasket for Mercruiser, OMC, and Volvo Penta. For: OMC 4.3L For: Mercruiser GM 262 CID Eng. (4.3L) Interchangeable with: GLM 39840 Mallory 9-61505 Mercruiser Stern...

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      • Sierra 18-0468 Timing Cover Gasket
        $6.49
        $4.99

        Timing Cover Gasket for Mercruiser, OMC, Volvo- Special Order est. 10 Days For:  2.6L,3.5L(1989) 4.3L(1987-93) 5.0L(1987-88) 5.7L(1987-92,1994,1996) Replaces: Crusader 7130240 Mercury 27-811572 OMC 3852654, 3853512 Volvo 3852654, 3853512 Aqua...

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      • Sierra 18-1401 Hydraulic Lifter
        $14.49
        $8.49

        Sierra 18-1401 Hydraulic Lifter for Ford 5.0 & 5.8L Sierra high-quality engine parts are designed to meet OEM specifications. Fits MCM 3.7L engines & MCM/MIE 215, 225, 888, 233 & 255 (Ford) Interchangeable...

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      • Sierra 18-0311 Valve Cover Gasket
        $20.99
        $14.99

        Sierra 18-0311 Valve Cover Gasket for MCM Drives Sierra replacement valve cover gasket for Mercruiser, Volvo Penta, and OMC Stern Drives. For: MCM 175, 185, 205 & 4.3L/LX with metal rocker covers (1985-1995) Interchangeable...

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      • Sierra 18-1231 Intake Gasket
        $69.99
        $48.99

        Sierra 18-1231 Intake Gasket Sierra high-quality engine parts are designed to meet OEM specifications. For use on Mercruiser Stern Drives, OMC Stern Drives, and Volvo Penta engines. Fits MCM 450, 500, 500 Bulldog, 525SC, 600SC & 800SC (1991 &...

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      • Sierra 18-0876 Fuel Pump Gasket
        $4.49
        $3.49

        Sierra 18-0876 Fuel Pump Gasket Sierra replacement fuel pump gasket. Sierra aftermarket boat parts are manufactured to meet or exceed OEM requirements. Fits: MCM/MIE GM V-8 (382, 305, 327 & 350 cid) engines Interchangeable...

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      • Sierra 18-1300 Main Bearing Replaces 23-818465
        $115.49
        $80.99

        Sierra 18-1300 Standard Main Bearing Set for Mercruiser, Volvo, OMC V8 Standard size main bearing set. Complete Main Bearing Engine Set for the following applications: 5.0L/305 CID 5.7L/350 CID Interchangeable with: Chrysler/Force/US...

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      • Sierra 18-1329 Rod Bearing
        $10.49
        $7.99

        Standard Rod Bearing for  2.5L & Inline 6 Mercruiser, OMC, Volvo - Special Order est. 10 Day Fits: 2.5L/153 CID I-6/230 CID Replaces: Mercury 23-85677 Redline RL1329 Rod bearings sold individually, 1 per rod

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      • Sierra 18-3883 Head Gasket
        $118.49
        $82.99

        Sierra 18-3883 Head Gasket for Ford 5.0 & 5.8L Engines For: Ford 302 (5.0L) 351 (5.8L) CID Eng Interchangeable with: Chrysler/Force/US Marine F724026 GLM 36170 Mallory 9-63708 Mercruiser...

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      • Sierra 18-4161 Piston Kit
        $158.99
        $111.49

        Sierra 18-4161 Piston Kit Sierra standard size piston kit for use with Volvo Penta, Mercruiser, and OMC Stern Drives. Sierra aftermarket engine parts are manufactured to meet or exceed OEM specifications. Size: Standard Interchangeable...

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      • Sierra 18-4491 Cylinder Head Assembly
        $1,225.99
        $858.49

        Cylinder Head Assembly for 4.3L Vortec Additional Details: Intake Manifold Mounting Bolts: 8 8 Valves Cover: Center Mount Note: Not for use with engines using factory roller rocker arms Replaces: 4.3L Vortec...

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      OMC Sterndrive Gaskets and Seals are here and in stock.