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      • Sierra 18-2613 Outdrive Gasket Set Replaces 0508105
        $6.99
        $5.49

        Sierra 18-2613 OMC Cobra Sterndrive Outdrive Gasket Set For Use On All OMC "Clutch Dog" Cobra Sterndrives 1986 - 1993. Not For Use On King Cobra Sterndrives. Sierra replacement parts are manufactured to meet or exceed OEM requirements. Kit...

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      • Quicksilver OEM MerCruiser V8 GM Exhaust Manifold Gasket 27-33395
        $11.99
        $9.99

        Quicksilver 27-33395 MerCruiser V8 Exhaust Manifold Gasket OEM-quality exhaust manifold gasket for V8 MerCruiser sterndrive and inboard engines built by General Motors. Designed to maintain proper sealing and engine performance. Refer to your...

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      • Sierra 18-0549 Plug Off Cap Replaces 3852476
        $14.49
        $10.99

        Sierra 18-0549 Plug Off Cap 1" I.D. Sierra high quality engine parts are designed to meet OEM specifications. Features:   I.D.: 1" or 25.4mm For V8 Stern Drives and Inboards 1977 - present. Interchangeable...

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      • Sierra 18-0550 Plug Off Cap Replaces 0764799
        $13.99
        $10.49

        Sierra 18-0550 OMC Exhaust Manifold Plug Off Cap 1.25" I.D. Sierra high-quality engine parts are designed to meet OEM specifications. Features: I.D.: 1-1/4" For V8 Stern Drives and Inboards 1977 - present. Interchangeable...

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      • Sierra 18-1402 Hydraulic Lifter Replaces 72638
        $25.49
        $19.49

        Sierra 18-1402 Hydraulic Lifter Sierra high-quality replacement parts are designed to meet OEM specifications. For OMC & Volvo 3.0L/181 CID. Fits MCM/MIE GM 4 cyl. V-6 & V-8 (283, 305, 327, 350, 454 & 482 cid) engines. Interchangeable...

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      • Sierra 18-0868 Intake Manifold Gasket Set Replaces 27-17145
        $39.49
        $27.99

        Sierra 18-0868 Intake Manifold Gasket Set Sierra replacement intake manifold gasket set for OMC Stern Drives, Mercruiser Stern Drives, and Volvo Penta engines. For OMC 5.7L 1994, 1996-97 Fits MCM/MIE GM V-8 (305 & 350 cid) engines (1975 &...

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      • Sierra 18-1237 Oil Pan Gasket Replaces 27-13865
        $57.99
        $40.99

        Sierra 18-1237 Oil Pan Gasket for 265 - 400 hp Sierra replacement oil pan gasket for Mercruiser Stern Drives, OMC Stern Drives and Volvo Penta engines. Fits MCM/MIE GM V-8 (305, 350 & 377 cid) engines w/ 1 pc. RM seal (1985 &...

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      • Sierra 18-1239 Oil Pan Gasket Replaces 27-810846T
        $141.99
        $99.49

        Sierra 18-1239 Oil Pan Gasket for 3.0LX Mercruiser, Volvo, OMC Sierra high-quality engine parts are designed to meet OEM specifications. For OMC 3.0L engines. Fits 3.0 L/LX engines Interchangeable with: Mallory 9-61500 Mercruiser Stern...

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      • Sierra 18-1213 Timing Cover Seal
        $39.49
        $27.99

        Timing Cover Seal for most GM Based Engines - Special Order est. 10 Days Fits: 2.5L/153 CID 3.0L/181 CID I-6/230CID I-6/250CID 4.3L/V-6 5.0L/305 CID 5.7L/350 CID Replaces: Crusader 7080310 Mallory 9-61610 Mercury 59341A 1, 26-97335...

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      • Sierra 18-0434 Carb Mounting Gasket
        $8.49
        $6.49

        Sierra 18-0434 Carburetor Mounting Gasket for 2 bbl Sierra high-quality carburetor mounting gasket for use on Johnson/Evinrude/OMC engines. Interchangeable with: GLM 31740 Johnson/Evinrude Outboard 909758 OMC Stern Drive 909758

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      • Sierra 18-0664 Valve Cover Gasket
        $33.49
        $23.49

        Valve Cover Gasket for 5.0/5.7L GM Engines - Special Order est. 10 Days For GM 305/350, 5.0 & 5.7L Replaces: Crusader 7231330 Mallory 9-61305 Mercury 27-17467 OMC 3852687 Volvo 3852687 Aqua Power 1219 GLM 30357

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      • Sierra 18-1308 Rod Bearing Replaces 23-85701
        $15.49
        $11.99

        Sierra 18-1308 Standard Rod Bearing for Mercruiser Stern Drives Sierra high-quality engine parts are designed to meet OEM specifications. Standard size Interchangeable with: Mercruiser Stern...

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      OMC Sterndrive Gaskets and Seals are here and in stock.