OMC Internal Engine Parts

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: 0.083" Interchangeable with: Johnson/Evinrude...

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...

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 (1993-1996) Interchangeable...

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 Pro Marine - 17930 Redline - RL2845  

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 Risers: 18-1939 18-1999 18-1907 Interchangeable...

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 Sterndrive I/O Interchangeable...

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 with: Exhaust Manifold 18-1952-1 Exhaust Manifold...

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 & up) Interchangeable...

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 4.3L/5.0L/5.7L Interchangeable...

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

Mercury 1395-83181 Valve Seat Kit Genuine Mercury OEM replacement engine part Interchangeable: Sierra 18-7061 Special Order Mercury Marine Information: Additional Handling Time: Item transfers from an alternate warehouse requires an additional...

Sierra 18-0887 Timing Cover Gasket Sierra replacement timing cover gasket for 4 & 6 cylinder engines. Fits MCM 120/2.5L, 140/3.0L/LX & 160/165 (6 cylinder) (1963 & up) Interchangeable...

Exhaust Manifold Gasket Set, Mercury - Mercruiser 27-33395A-2 For GM 305, 327, 350 cid engines with end outlet exhaust manifolds. Replaces: Aqua...

Sierra 18-0874-9 Distributor Gasket (2-Pack)  Fits: GM V6 and V8 Replaces: Crusader RM0123 Mercruiser 27-344863 Marine Power 288426 OMC 312780 Pleasurecraft Marine RM0123 Sierra 18-0874 Volvo Penta 3852109

Sierra 18-8369 OMC Oil Indicator Sierra high-quality engine parts are designed to meet OEM specifications and are backed by Sierra's unmatched manufacturer's warranty. Fits OMC Cobra (1986-93) without cone clutch Use...

Sierra 18-8534 Exhaust Elbow Mounting Kit Sierra replacement exhaust elbow mounting kit for use on OMC GM Small Block engines. OMC GM Small Block V8 305-350 cu. in. (1979-1989) & multi application for Ford & GM risers Use with: 18-1921...

Sierra 18-4088 Evinrude/Johnson Piston Rings Sierra replacement piston rings for Evinrude/Johnson/OMC. Bore Size: 3.600 Standard Interchangeable with: Johnson/Evinrude Outboard 436353 Mallory 9-54424

Sierra 18-1327 Rod Bearing Sierra replacement rod bearing for Mercruiser Stern Drives. Sierra replacement engine components are manufactured to meet or exceed OEM requirements. Size: Standard Interchangeable with: Mercruiser Stern...

Sierra 18-3877 Head Gasket for 7.4L Mercruiser, OMC, Volvo Sierra high-quality engine parts are designed to meet OEM specifications. For Mercruiser and OMC Stern Drives. Fits MCM/MIE GM V-8 (427, 454 & 482 cid) engines...