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OMC Gearcase & Drive Parts

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      • Sierra 18-2613 Outdrive Gasket Set Replaces 0508105
        List Price: $7.99
        Starting At: $4.50

        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. Kit Includes: (1) 18-2918 Outdrive Gasket (1) 18-2996 Outdrive Seal (2) 18-7153...

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      • Sierra 18-2100 Gimbal Bearing Replaces 30-879194A02
        List Price: $64.99
        Starting At: $38.95

        Sierra 18-2100 Heavy Duty Gimbal Bearing Sierra replacement heavy duty gimbal bearing. Sierra engine parts are manufactured to meet or exceed OEM requirements. Key Features: Link Belt Greasable Fits all OMC, Cobra, and King Cobra...

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      • Sierra 18-2174 U-Joint Replaces 75832T1
        List Price: $57.99
        Starting At: $34.95

        Heavy Duty U-Joint for Mercruiser, OMC, Volvo Fits: Alpha 1 Units S/N B418819 & above Alpha 1 SS, Bravo, OMC Cobra, King Cobra (1990 - Up) and newer Volvo SX Drives Includes both straight and 90 degree grease fittings. (Rockwell) Replaces: ...

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      • Sierra 18-9098 Trailering Clip Replaces 0174448
        List Price: $22.99
        Starting At: $14.95

        Sierra 18-9098 OMC Cobra Trailering Clips For all OMC - Cobra Stern Drives and Volvo SX 2006 & prior.. (Set of 2) Interchangeable with: Mallory 9-79000 OMC Stern Drive 174448 Volvo Penta 174448  

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      • Sierra 18-2104 U-Joint Replaces 75832T1
        List Price: $49.49
        Starting At: $34.99

        Sierra Heavy Duty U-joint Includes both straight and 90° grease fitting. Fits: All Mercruiser #1 and Alpha Units (Serial No. 1684188 - B418818) Mercruiser TR/TRS Units and II SSM OMC Cobra Drives 1986-1989 Volvo Penta Models AQ200, 250, 270, 280,...

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      • Sierra 18-2771 Bellows Kit
        List Price: $238.06
        Starting At: $133.55

        OMC Cobra Bellows Kit by Sierra For Use On OMC Cobra Without cone Clutch Kit Includes: Sie-18-2613 Outdrive Gasket Set Sie-18-2765 U-Joint Bellows Sie-18-2764 Exhaust Bellows Sie-18-2763 Shif Cable Bellows Sie-18-2100 Gimbal Bearing Sie-18- 7315 Hose...

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      • Sierra 18-2699 Outdrive Gasket
        List Price: $4.49
        Starting At: $3.21

        Sierra 18-2699 Outdrive Gasket Set for Volvo, OMC Sierra high-quality engine parts are designed to meet OEM specifications.  For SX & DP-SM Drives thru 2006 Use With: 18-3721 Stainless Steel Locknut Set Includes: (1) 18-2996...

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      • 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 18-2745 Exhaust Boot Replaces 0912374
        List Price: $24.77
        Starting At: $19.18

        Sierra 18-2745 Exhaust Boot Sierra high-quality engine parts are designed to meet OEM specifications. For OMC Stern Drives. Fits 5.7L & 7.5L Engines (1986 & Later) Interchangeable with: GLM 89220 Mallory 9-72806 OMC Stern...

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      • Sierra 18-2768 Transom Seal Replaces 0909527
        List Price: $160.49
        Starting At: $99.95

        TRANSOM SEAL (1978 - 1986) by Sierra Replaces: GLM 86710 Johnson/Evinrude Outboard 909527 Mallory 9-72812 OMC 909527 Fits: 1978 - 1986 All Engines 22 Screw Holes

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      • Sierra 18-2245-1 Shift Cable Assembly Replaces 0987661
        List Price: $140.99
        Starting At: $86.45

        OMC Sterndrive Shift Cable Assembly by Sierra For: 1988-1993 OMC Cobra (except King) without cone clutch. Replaces: OMC 987661 GLM 21715 Pro Marine 2245-1  

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      • Sierra 18-0892 Deflector Hose Replaces 0322411
        List Price: $4.99
        Starting At: $3.12

        Sierra 18-0892 Johnson/Evinrude Deflector Hose Sierra high-quality engine parts are designed to meet OEM specifications. For use on Johnson/Evinrude Outboards. Interchangeable with: Johnson/Evinrude Outboard 322411 OMC Stern Drive 322411

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      • Sierra 18-21752-1 Engine Coupler Replaces 3858437
        List Price: $306.49
        Starting At: $193.45

        Sierra 18-21752-1 Engine Coupler for OMC, Volvo Fits: 4.3L (1986-1998) 5.0L (1986-1988, 1998) 5.7 (1986-1992, 1994, 1996-1998) Interchangeable with: Johnson/Evinrude Outboard 3858437 3853917 984290 986120 OMC Stern...

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      • Sierra 18-2673 Upper Unit Seal Kit Replaces 0987603
        List Price: $53.99
        Starting At: $33.45

        Sierra 18-2673 OMC Cobra Upper Unit Seal Kit Sierra replacement engine parts are designed to meet OEM specifications. For Use On All Cobras (1986-89). Interchangeable with: GLM 87654 Johnson/Evinrude Outboard 984459 986364 987603 OMC...

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      • Sierra 18-2146 Long Yoke Replaces 89730A7
        List Price: $140.99
        Starting At: $88.95

        Sierra 18-2146 Long Yoke Assembly 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 all #1, R, MR, Alpha I, Alpha I Gen II, Bravo &...

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      • Sierra 18-1074 Exhaust Bellows
        List Price: $42.49
        Starting At: $29.45

        Sierra 18-1074 OMC, Volvo Exhaust Bellows Sierra replacement exhaust bellows for use with Sierra 18-710-48-2 Hose Clamp 2-9/16 to 3-1/2. Interchangeable with: Mallory 9-72711 OMC Stern Drive 3850426 767724 Volvo...

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      • Sierra 18-2763 Shift Cable Bellows Replaces 0911826
        List Price: $11.99
        Starting At: $7.98

        Sierra 18-2763 OMC Cobra Shift Cable Bellows Sierra high-quality engine parts are designed to meet OEM specifications. For Use On All Cobra Drives. Interchangeable with: GLM 89210 Johnson/Evinrude...

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      • Sierra 18-2671 Lower Unit Seal Kit Replaces 0985612
        List Price: $35.99
        Starting At: $26.33

        Sierra 18-2671 OMC Cobra Lower Unit Seal Kit Sierra high-quality engine parts are designed to meet OEM specifications. For Use On All 4 Cyl Cobras(1986-89). Kit Includes: (2) 18-0166 Grommet (1) 18-0190 Wiper Gasket (1) 18-0880 Shift Cover...

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      • Sierra 18-1117 Pinion Bearing
        List Price: $47.49
        Starting At: $29.45

        Sierra 18-1117 Lower Unit Pinion Bearing Sierra high-quality engine parts are designed to meet OEM specifications. For use on Chrysler/Force/US Marine, Johnson/Evinrude Outboards, Mercruiser Stern Drives, Mercury Marine and OMC Stern Drives. Fits MR,...

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      • Sierra 18-1714 Clutch Dog Pin
        List Price: $5.69
        Starting At: $3.04

        Sierra 18-1714 Clutch Dog Pin For use on the following engines:   50 -70 HP 3 Cyl. Johnson/EvinrudeOutoard Engines (1979-2003) Crossflow Gearcase V-4 Johnson/Evinrude Outboard Engines (1978-1998) Gearcase V-6 (Typical) Johnson/Evinrude...

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      OMC Sterndrive Drive System Components