OMC Internal Engine Parts

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...

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...

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...

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...

Drain/Fill Plug Washer (Priced Per Pkg of 5) Features: Material: Plastic Package of 5 Special Order est. 10 Days Supersedes 18-4248 Interchangeable Wi

Sierra 18-0347 Valve Cover Gasket for 2.5 & 3.0L Mercruiser, Volvo, OMC Sierra high-quality replacement engine parts are designed to meet OEM specifications. For GM 153 & 181 CID (2.5L & 3...

Sierra 18-2946 Head Gasket Replaces 27-52364 This head gasket fits GM 181 3.0L CID engines. Replaces: Mercruiser OEM 27-52364, 27-810841, F15000204 OMC and Volvo OEM 3853336, 908611,...

Mercury-MerCruiser 27-8M0215011 Exhaust Manifold Gasket The Mercury-MerCruiser 27-8M0215011 Exhaust Manifold Gasket is a genuine OEM replacement gasket for select GM V-6 engine applications. This...

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...

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)...

Drain Screw O-Ring (5 pk) for Johnson, Evinrude, OMC Used with Drain Screw 18-1236 and is a special order - est. 10 Days. Replaces: OMC - 336982 Mallory 9-76653 GLM 45290  

Sierra 18-0327 Water Pump Gasket for 4 & 6 cyl. Mercruiser, Volvo, OMC For 4 & 6 Cylinder Stern Drive and Inboard Engines. Interchangeable with: GLM 31350 Mallory 9-60067 Mercruiser...

Sierra 18-0943-2-9 Exhaust Elbow Gasket (Priced Per Pkg Of 2) Sierra Exhaust Elbow Gasket for use on OMC Inboard and OMC Stern Drives. Interchangeable with: Barr OMC 47...

Water Circulating Pump Mounting Gasket for Mercruiser, Volvo, OMC (2 Pack) For GM 4.3L, 5.0L & 5.8L Engines. Replaces: Mercruiser - 27-34897 Volvo & OMC - 3852477 OMC - 909835

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...

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...

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...

Sierra 18-3937 Standard Piston Ring Set Sierra high-quality marine parts are engineered to meet OEM specifications. All pistons are supplied complete with piston rings and wrist pin. Standard...

Sierra 18-3878 Head Gasket for OMC, Mercruiser, and Chrysler Sierra replacement engine parts are designed to meet OEM specifications. Sierra 18-3878 Head Gasket fits MCM 3.7L engines (1976-1989)...

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...