Quick view Add to Cart Sierra 18-0622 Lower Wear Plate Gasket $4.99 $3.49 Sierra 18-0622 Lower Wear Plate Gasket Sierra replacement lower wear plate gasket for Chrysler/Force/US Marine and Mercury Marine engines. Sierra engine parts are manufactured to meet or exceed OEM requirements. Interchangeable... Add to Cart
Quick view Add to Cart Sierra 18-0643 Powerhead Base Gasket $19.99 $15.49 Sierra 18-0643 Powerhead Base Gasket Sierra replacement powerhead base gasket for Mercury Marine engines. Interchangeable with: GLM 37570 Mercury Marine 27-183071 27-183076 Add to Cart
Quick view Add to Cart Sierra 18-0858 O-Ring $2.99 $2.49 Sierra O-Ring Special Order est. 10 Days For use on Mercruiser I/O and Mercury/Mariner Outboard Engines O.E. # 25-54029 Dimensions: I.D. 2.425, Width .103" Add to Cart
Quick view Add to Cart Sierra 18-0936-9 Relief Valve Plate Gasket (Priced Per Pkg Of 2) $3.99 $2.49 Sierra 18-0936-9 Relief Valve Plate Gasket (Priced Per Pkg Of 2) - Special Order est. 10 Days Add to Cart
Quick view Add to Cart Sierra 18-1154 Ball Bearing $28.49 $21.49 Upper/Lower Main Bearing Fits: 115/140/150 Inline 6 30/40/50/60/75/80 HP Replaces: Mallory 9-51202 Mercury 30-63742T OMC 0377139 AQU 1988 GLM 21860 Redline RL1154 Add to Cart
Quick view Add to Cart Sierra 18-1157 Foward Gear Inner Bearing $16.99 $11.99 NEEDLE BEARING - Special Order Item Add to Cart
Quick view Out of stock Sierra 18-2236 Sliding Clutch $248.49 $173.99 Sierra 18-2236 Sliding Clutch Sierra engine replacement parts are designed to meet OEM specifications. Interchangeable with: Chrysler/US Marine/Force 52-822539 GLM 11061 Mallory 9-73464 Mercrusier Stern Drive 52-34239 Mercury... Add to Cart
Quick view Add to Cart Sierra 18-2575-9 Carb Bowl Gasket (Pkg Of 2) $2.49 $1.99 Sierra 18-2575-9 Carb Bowl Gasket (Pkg Of 2) Sierra replacement carb bowl gasket (two pack) for Mercury Marine engines. Sierra aftermarket marine parts are manufactured to meet or exceed OEM requirements. Interchangeable... Add to Cart
Quick view Out of stock Sierra 18-2628 Lower Unit Seal Kit $49.99 $34.99 LOWER UNIT SEAL KIT Add to Cart
Quick view Add to Cart Sierra 18-2642 Lower Unit Seal Kit $47.99 $33.49 Sierra 18-2642 Lower Unit Seal Kit Sierra replacement lower unit seal kit for Mercury Marine engines. Interchangeable with: GLM 87513 Mallory 9-74209 Mercury Marine 26-816575A5 Seal Kit Contains: 18-2945-9 Drain screw gasket... Add to Cart
Quick view Add to Cart Sierra 18-2839 Exhaust Cover Gasket $6.99 $4.99 Sierra 18-2839 Exhaust Cover Gasket Sierra high-quality engine parts are designed to meet OEM specifications. For use on Mercury Marine engines. Interchangeable with: GLM 32050 Mercury... Add to Cart
Quick view Add to Cart Sierra 18-3642 Mercury Thermostat Kit $69.99 $56.99 Sierra 18-3642 Mercury Thermostat Kit - Replaces 825212A1 Sierra replacement thermostat kit for Mercury Marine Outboards. Includes 18-0835 Thermostat Cover Gasket Interchangeable with: Mercury Marine 825212001 825212A1 855676A1 Add to Cart
Quick view Add to Cart Sierra 18-4265 Pipe Plug $7.99 $6.99 Sierra 18-4265 Pipe Plug Sierra replacement pipe plug for Mercury and Mercruiser engines. Thread Size: 3/4" or 19.1mm - 14 NPT Material: Brass Interchangeable with: GLM 21896 Mercruiser Stern... Add to Cart
Quick view Out of stock Sierra 18-4359 Overhaul Gasket Set $171.49 $130.49 Sierra 18-4359 Overhaul Gasket Set Sierra replacement Overhaul Gasket Set for Mercury Marine engines. Does not include head gaskets. Interchangeable with: GLM 39520 Mallory 9-64204 Mercury... Add to Cart
Quick view Out of stock Sierra 18-4625 Piston Kit $200.49 $140.49 Piston Kit - Special Order est. 10 Days Add to Cart
Quick view Add to Cart Sierra 18-5602 Outboard Starter $240.99 $168.99 Sierra 18-5602 Outboard Starter Replacement Mercury Outboard Starter fits 35-40 HP, 2 Cyl. and 50 HP 4 Cyl. models. Sierra replacement outboard starters are manufactured to meet or exceed OEM requirements. Tooth Count: 10 Fits 35-40 HP, 2 cyl. &... Add to Cart
Quick view Add to Cart Sierra 18-5850 G Relay Shrouded $25.49 $17.99 Mercury Starter Solenoid-Relay for Outboards HP Serial # Starter Solenoid/ Relay Letter 9.9 (4-STROKE)(323CC) 0G760300-0T979999 18-5821 A 15 (4-STROKE)(323CC) 0G760300-1B727495 18-5821 A 30 (4-STROKE) CARB 0G760300-UP - - 30 (4-STROKE) EFI... Add to Cart
Quick view Out of stock Sierra 18-6250 Outboard Starter Repair Kit $29.49 $22.49 Sierra 18-6250 Outboard Starter Repair Kit Sierra Outboard Starter Repair Kit. Prestolite 2 Brush Interchangeable with: Arco SR102 Add to Cart
Quick view Out of stock Sierra 18-6425 Outboard Starter $571.99 $399.99 Outboard Starter - Special Order est. 10 Days Key Features: 13 Tooth Drive Gear Replaces: Arco 3430 Hitachi S114-828B Mallory 9-15055 Mercury Marine 50-804312T1 50-8M0065220 Yamaha... Add to Cart
Quick view Add to Cart Sierra 18-6438 Starter $244.99 $171.49 Sierra 18-6438 Replacement Mercury Outboard Starter Sierra outboard starters are designed for spark/ignition protection to prevent ignition of fuel vapor contained within the bilge of a boat. Each Sierra starter is sealed to prevent water intrusion and... Add to Cart