OMC Internal Engine Parts

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 Drive 910236

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

THREADLOCKER RED STICK

Sierra 18-0465 Intake Manifold Gasket Set Sierra replacement intake manifold gasket set for Mercruiser and OMC stern drives...

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, 500, 500 Bulldog, 525SC, 600SC & 800SC (1991 &...

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 Drive 911836 915840

Piston Kit - Special Order est. 10 Days

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 7.4L/454 CID Interchangeable...

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

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

Sierra 18-0548 Adapter To Intermediate Housing Gasket Sierra replacement adapter to intermediate housing gasket for OMC Stern Drive. Interchangeable with: Barr OMC47909515 GLM 33900 Johnson/Evinrude Outboard 909515 OMC Stern...

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 Drive 310913

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 (1969-1992) Interchangeable...

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

Shift Cover Gasket for OMC Cobra (Priced Per Pkg of 2) - Special Order est. 10 Days

Sierra 18-0929-9 Thermostat Gasket (Priced Per Pkg Of 2) For use on Johnson/Evinrude Outboard 3 cyl. engines, OMC Sterndrive/Cobra I/O engines, & Volvo Penta I/O 3.L GS, GL Special Order est. 10 days Priced Per Pkg of 2  Replaces:...

Sierra 18-0947-9 Pivot Cap Cover Gasket (Pkg Of 2) Sierra Marine replacement pivot cap cover gasket for OMC Stern Drives. Sierra manufactures its aftermarket engine parts to meet OEM requirements. Sold as a package of two. Interchangeable...

Sierra 18-2996-9 Outdrive Seal (Priced Per Pkg Of 5) Replaces: OMC 3852560 0911823 GLM 86300 Mallory 9-76508 Volvo  3852560 Aqua Power  473 GLM  86300 Redline  RL2996 Special Order est...

Drain/Fill Plug Washer (Priced Per Pkg of 50) - Special Order est. 10 Days