OMC Internal Engine Parts

Sierra 18-0166-9 Grommet (Priced Per Pkg Of 2) Sierra replacement grommet for OMc Stern Drives. Interchangeable with: GLM 86620 OMC Stern Drive 911705

Sierra 18-2860 Manifold End Cap Gasket for OMC Sierra high-quality engine parts are designed to meet OEM specifications. For use on OMC Stern Drives. Interchangeable...

Sierra 18-2911 OMC Swivel Bearing Housing Gasket Gasket Fits OMC Stringer Drive. Interchangeable with: GLM 34720 Johnson/Evinrude Outboard 910236 Mallory 9-60410 OMC Stern...

Sierra 18-0465 Intake Manifold Gasket Set Sierra replacement intake manifold gasket set for Mercruiser and OMC stern drives. Fits: GM 454 CID Engines, 325, 330, 340,

Exhaust Elbow Gasket (Priced Per Pkg of 2) - Special Order est. 10 Days

Fuel Pump Gasket (Priced Per Pkg of 2) - Special Order est. 10 Days

Sierra 18-2851 OMC Swivel Bearing Gasket Sierra replacement Swivel Bearing Gasket for OMC Stern Drives. Interchangeable with: Barr OMC47313368 GLM 33010 OMC Stern...

Sierra 18-7153-9 O-Ring (Priced Per Pkg Of 5) Special Order est. 10 Days Supersedes 18-7153

THREADLOCKER RED STICK

Sierra 18-1231 Intake Gasket 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 MCM 450,...

Sierra 18-25251 Sealing Ring  Special Order est. 10 Days

Sierra 18-2918-9 Outdrive Gasket (Priced Per Pkg Of 5) Sierra replacement outdrive gasket for OMC Stern Drives. Interchangeable with: GLM 34730 Mallory 9-62650 OMC Stern...

Piston Kit - Special Order est. 10 Days

Loctite Threadlocker 271 - Heavy Duty Red High Strength, Permanent Threadlocker For Heavy Duty Applications.

Sierra 18-1233 Timing Cover Seal for 7.4L GM Engines Sierra replacement timing cover seal. Sierra aftermarket parts are manufactured to meet or exceed OEM requirements. Fits 7...

Sierra 18-2916-9 Water Pump Housing Gasket (2 Pack) Sierra replacement water pump housing gasket for OMC Stern Drives. Sold as a pack of two. Interchangeable with: OMC Stern Drive 911702

Sierra 18-0548 Adapter To Intermediate Housing Gasket Sierra replacement adapter to intermediate housing gasket for OMC Stern Drive. Interchangeable...

Sierra 18-2947-9 Thermostat Gasket (Pkg Of 2) Sierra replacement thermostat gasket for OMC Stern Drives. Package of 2 Interchangeable with: GLM 33840 Mallory 9-60017 OMC Stern...

Sierra 18-0348 Oil Pan Gasket Set Sierra replacement oil pan gasket set for OMC Inboard and Mercruiser Stern Drive. Fits: MCM/MIE GM V-8 (427, 454, 482, 502 & 540 cid) engines...

Water Passage Gasket (Priced Per Pkg of 2) - Special Order est. 10 Days