Quick view Add to Cart Sierra 18-0980 Timing Cover Gasket $7.49 $5.49 Timing Cover Gasket for GM 7.4L by Sierra - Special Order est. 10 Days Replaces: Crusader 30240 Mallory 9-61601 Mercury 27-54529 Aqua Power 537 GLM 30440 Add to Cart
Quick view Add to Cart Sierra 18-1233 Timing Cover Seal $32.99 $23.49 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... Add to Cart
Quick view Add to Cart Sierra 18-1234 One Piece Rear Main Seal $90.99 $63.49 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... Add to Cart
Quick view Out of stock Sierra 18-1311 Main Bearing $86.99 $60.99 Main Bearing for 4.3L Mercruiser, OMC, Volvo - Special Order est. 10 Days For use on the following engines: 175/4.3L Replaces: Mercury 23-801793 Redline RL1311 Add to Cart
Quick view Out of stock Sierra 18-1315 Main Bearing $207.99 $145.49 Standard Main Bearing for a 7.4L Mercruiser, OMC, or Volvo - Special Order est. 10 Days Fits 7.4L/454 CID. Replaces: Mercury 23-818473001 Redline RL1315 Add to Cart
Quick view Out of stock Sierra 18-1337 Rod Bearing $15.99 $12.49 .010 Over Rod Bearing for 4.3L Mercruiser, OMC, Volvo - Special Order est. 10 Days Fits 4.3L/V-6 Mercruiser, OMC, Volvo Replaces: Mercury 23-811858 Redline RL1337 Rod bearings sold individually, 1 per rod Add to Cart
Quick view Add to Cart Sierra 18-2058 Oil Seal $18.49 $12.99 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 Add to Cart
Quick view Add to Cart Sierra 18-2071 Oil Seal $32.99 $23.49 Sierra 18-2071 Oil Seal O.D.: 2.125" Shaft Size: 1.500" Width: 0.250" Interchangeable with: GLM 86010 OMC Stern Drive 981195 908065 908852 Add to Cart
Quick view Add to Cart Sierra 18-23781-9 Magnetic Drain Screw (Priced Per Pkg Of 50) $623.49 $436.49 Magnetic Drain Screw (Priced Per Pkg of 50) - Special Order est. 10 Days Add to Cart
Quick view Add to Cart Sierra 18-23871-9 Lower Unit Drain/Fill Screw (Pkg Of 50) $142.99 $99.99 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... Add to Cart
Quick view Add to Cart Sierra 18-2663 Lower Unit Seal Kit Replaces 0981797 $65.99 $45.99 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... Add to Cart
Quick view Add to Cart Sierra 18-2858-9 Thermostat Gasket (Priced Per Pkg Of 2) $7.99 $6.99 Thermostat Gasket (Priced Per Pkg of 2) - Special Order est. 10 Days Add to Cart
Quick view Out of stock Sierra 18-2861-9 Manifold End Cap Gasket (Priced Per Pkg Of 2) $5.49 $4.49 Manifold End Cap Gasket (Priced Per Pkg of 2) - Special Order est. 10 Days Add to Cart
Quick view Out of stock Sierra 18-2911-9 Swivel Bearing Housing Gasket (Priced Per Pkg Of 2) $3.49 $2.99 Swivel Bearing Housing Gasket (Priced Per Pkg of 2) - Special Order est. 10 Days Add to Cart
Quick view Add to Cart Sierra 18-2947-9 Thermostat Gasket (Pkg Of 2) $10.49 $8.49 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 Add to Cart
Quick view Out of stock Sierra 18-3938 Piston Rings $21.99 $15.49 .030 Piston Rings for Mercruiser, OMC, Volvo - Special Order est. 10 Days Fits: 3.0L/181 CID 4.3L/V-6 5.7L/350 CID Ford 5.0L/302 CID Replaces: Crusader 12372 Mercury 39-17465 OMC 0328516, 3853270 Volvo 328516, 914557 Redline RL3938 Add to Cart
Quick view Add to Cart Sierra 18-3944 Piston Rings $20.49 $14.49 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... Add to Cart
Quick view Add to Cart Sierra 18-4024-9 Valve Stem Seal (Priced Per Pkg Of 8) $20.99 $14.99 Valve Stem Seal 4.3L/5.0L/5.7L (Priced Per Pkg of 8) - Special Order est. 10 Days Add to Cart
Quick view Add to Cart Sierra 18-4250-9 Washer (Priced Per Pkg Of 5) $24.99 $17.99 Washer (Priced Per Pkg of 5) - Special Order est. 10 Days Add to Cart
Quick view Out of stock Sierra 18-4370 Exhaust Manifold Gasket Set $47.99 $33.99 Exhaust Manifold Gasket Set for 100, 120, & 2.5L - Special Order Item est. 10 days Exhaust Manifold Gasket Set for 100, 120, & 2.5L (1965 - 85) Contains: 18-0114 Manifold End Cap Gasket 18-2896 Exhaust Manifold Mounting Gasket ... Add to Cart