OMC Internal Engine Parts

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...

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 18-2671 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...

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...

Sierra 18-0518 Valve Stem Seal for Mercruiser, OMC, Volvo For most inline 4 and 6 cylinder GM (Early) and 305-350 CID GM Engines. O.D.: 0.394" Shaft Size: 0.282" Width: 0...

Sierra 18-1238 Intake Manifold Gasket Set (Pair of 2) for 4.3L Mercruiser, OMC, Volvo Engines Sierra replacement engine parts are designed to meet OEM specifications. Fits MCM 4.3L/LX Gen II...

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...

Sierra 18-0164-9 Thermostat Housing Gasket (Pkg Of 2) Sierra replacement thermostat housing gasket. Sold in Package of 2 each For Use on: OMC Sterndrive/Cobra 4 & 6 Cylinder Engines Yamaha...

Valve Cover Gasket for 5.0 & 5.7L Mercruiser, Volvo, OMC For V-8 Engines (305/350)CID 5.0,5.7L Replaces: Chris Craft - 16.11-01236 Mercury - 27-11999 OMC - 0912965 Mallory - 9-61300 Crusader - 91351...

Sierra 18-0476-1 Blocked Riser Gasket Ford Small Block V-8 For Ford Small Block V8 302-351 cu.in. Volvo Penta, Indmar & Marine Power Sterndrives Engines. Used with...

Sierra 18-2909-9 Exhaust Manifold Gasket (Priced Per Pkg of 2) This exhaust manifold gasket set is an aftermarket product that meets or exceeds OEM requirements. Supersedes 18-2909 Use...

Sierra 18-2815 Push Rod Cover Gasket for GM 3.0L Sierra high-quality engine parts are backed by an unmatched Sierra manufacturer's warranty. For use with Mercruiser Stern Drives, OMC Stern Drives,...

Upper Gearcase Dipstick Gasket by Sierra (Priced Per Pkg of 2) Replaces: OMC - 315189  

Sierra 18-3887 Head Gasket for 7.4L Crusader, Mercruiser, OMC, and Volvo Engines Sierra high-quality engine parts are designed to meet OEM specifications.  For 7.4L 454 CID Gen V and VI (1992 &...

Sierra 18-4024 Intake Valve Stem Seal for 4.3L/5.0L/5.7L Sierra high-quality engine parts are designed to meet OEM specifications. For Mercruiser, OMC, and Volvo Penta applications. For: Chevy 4...

Mercury 1395-83181 Valve Seat Kit Genuine Mercury OEM replacement engine part Interchangeable: Sierra 18-7061 Special Order Mercury Marine Information: Additional Handlin

Drain Screws Gaskets for Mercruiser, Mercury, OMC (50 pk) Replaces: GLM - 21170 Mallory - 9-60101 Merc - 12-19183-3 Redline - RL2945  

Sierra 18-1211 Rear Main Seal Replaces MerCruiser 26-814622 Sierra two piece rear main seal for Most GM Based Marine Engines. Application Info: Fits 120/2.5L (s/n 2786857 & up), 140/3.0L & LX (s/n...