OMC Internal Engine Parts

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 18-2058 Oil Seal for OMC Stern Drives Sierra replacement OMC oil seal. O.D.: 2.438" Shaft Size: 1.938" Width: 0.250" Interchangeable with: GLM 86050 Mallory 9-76227 OMC Stern Drive 313353

Sierra 18-2883-1 Manifold End Cap Gasket Sierra replacement manifold end cap gasket for OMC Stern Drives. Sierra replacement parts are manufactured to meet or exceed OEM requirements. Interchangeable with: Barr OMC47907775 GLM 32990 OMC...

Sierra 18-2947 Cork Thermostat Gasket for OMC Stern Drives Sierra high-quality engine parts are designed to meet OEM specifications. For OMC Stern Drives. Interchangeable with: GLM 33840 Mallory 9-60017 OMC Stern Drive 310913

Drain Screw O-Ring (Priced Per Pkg of 50) - Special Order est. 10 Days

Sierra 18-7477 O-Ring Sierra high-quality engine parts are designed to meet OEM specifications. For OMC Stern Drives. I.D.: 0.480" Width: 0.100" Interchangeable with: GLM 41120 OMC Stern Drive 909048

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

Washer - Special Order est. 10 Days Replaces: OMC 0909748 Redline RL0188

Sierra Johnson/Evinrude (OMC/BRP) Washer  Special Order est. 10 Days Priced per package of 2 each Replaces:  Part # 909748

OMC Wiper Gasket by Sierra - Special Order est. 10 Days Replaces: OMC 0912157 Aqua Power 1971 Redline RL0190

Carb Mounting Gasket for Mercruiser, OMC, Volvo Replaces: OMC 0908765, 0778103 Aqua Power 1061 Felpro 17843 GLM 30381 Redline RL0435 Volvo 856033

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

Sierra 18-0923-9 Rubber Seal (Priced Per Pkg Of 2) Special Order Item Replaces: OMC 0313244 Aqua Power 1454 GLM 34750 Redline RL0923 Supersedes 18-0923  

Carb Mounting Gasket (Priced Per Pkg of 2) - Special Order est. 10 Days

Sierra 18-1234 One Piece Rear Main Seal Sierra replacement one piece rear main seal for Mercruiser, Volvo Penta, and OMC Stern Drives. Fits: 7.4L/8.2L/454/502 Std. Rotation Interchangeable with: Mallory 9-61622 Mercruiser Stern...

Magnetic Drain Screw (Priced Per Pkg of 50) - Special Order est. 10 Days

Sierra 18-23871-9 Lower Unit Drain/Fill Screw (Pkg Of 50) Fits OMC V-6, V-4 (1979-Up), 60-75 HP 3 cylinder, 20-35 HP (1985-97). Head Style: Slot Head Interchangeable with: GLM 22420 Johnson/Evinrude...

Sierra 18-2663 OMC Lower Unit Seal Kit - Replaces 0981797 Sierra high-quality engine parts are designed to meet OEM specifications. For use on 1977 OMC Stern Drive engines. Kit Contains: (4) 18-2012 Oil Seal (1) 18-2020 Oil Seal (2) 18-2058 Oil...

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

Sierra 18-3944 Standard Piston Rings Sierra replacement standard piston rings. All pistons are supplied complete with piston rings and wrist pin. For: 5.0L 305 CID Size: STD Interchangeable with: Mercruiser Stern...