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Sierra 18-500-5838 Brass Fitting WARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov More Details
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Sierra 18-500-5618 Brass FittingWARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov More Details
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Sierra 18-500-5614 Brass FittingWARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov More Details
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Sierra 18-500-3838 Brass FittingWARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov More Details
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Sierra 18-500-3814 Brass FittingWARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov More Details
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Sierra 18-500-1418 Brass FittingWARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov More Details
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Sierra 18-4915 Starter Rope - MW

Engine Accessories
Sierra 18-4915 Starter Rope Fits: Mercury/Mariner O/B's: 4/5hp (2 cycle) not of Japanese origin Fits: 7.5-50hp (2cycle) 1963-1985, 20-75hp (2cycle) 1986 & newer Fits: 8/9.9hp 4-Stroke (232cc, 323cc) 1... More Details
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Sierra 18-4914 Pull Starter Rope - SOLD BY THE FOOT Sierra high-quality starter rope. Size: 1/8" Interchangeable with: Johnson/Evinrude Outboard 772579 316706 Application: Johnson/Evinrude Outboard 20... More Details
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Sierra 18-4913 Starter Rope Sierra high-quality starter rope. Size: 3/16" Interchangeable with: Johnson/Evinrude Outboard 772578 316705 SOLD BY THE FOOT WARNING: Cancer and Reproductive Harm - P65Warn... More Details
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Sierra 18-4911 Starter Rope 5/32" - MW

Mercury Outboard Ignition System
Sierra 18-4911 Starter Rope 5/32" Pull Start Rope. Interchangeable with Johnson/Evinrude Outboard parts 322236, 772577. SOLD BY THE FOOT   WARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov More Details
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Sierra 18-4904 Starter Handle & Rope - (MW)

Force Outboard Tune Up Kit
$13.69
Sierra 18-4904 Outboard Starter Rope and Handle Sierra high-quality engine parts are designed to meet OEM specifications. Rope Size: #4.5 (9/64") Includes 18-4901 Starter Handle WARNING: Cancer and Re... More Details
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Sierra 18-4901 Starter Handle - MW

Evinrude Outboard Starters
Sierra 18-4901 Universal Pull Start Handle Handle with Rope is 18-4904 WARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov More Details
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Sierra 18-48619 Complete Water Pump Kit WARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov More Details
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Sierra 18-4858-9 Washer (Pack Of 10) - MW

Mercury Outboard Gearcase & Drive Parts
Sierra 18-4858-9 Washer (Pack Of 10) Sierra pack of washers for Mercury Outboards and Mercruiser Stern Drives. Fits: Mercury O/B 25 Hp & Up, MerCruiser #1, R, MR, Alpha I Gen II and Bravo Drive units ... More Details
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Sierra 18-4843 Complete Lower Gearcase Assembly - MW

Johnson Outboard Gearcase Complete
Sierra 18-4843 Complete Lower Gearcase Assembly Sierra replacement lower unit assembly for Johnson/Evinrude Outboards. Fits: 40/48/50hp with 15" shaft (1993-2005) Interchangeable with: Johnson/Evinrud... More Details
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Sierra 18-48317 Mercury 8-9.9HP 4-Stroke Complete Water Pump Kit - (MW)

Mercury Outboard Water Pumps & Impellers
$233.69
Sierra 18-48317 Complete Water Pump Kit Fits: Mercury 8-9.9 4-Stroke (209cc)(R042475 & Up) Fits: Nissan/Tohatsu F8/9.8 Interchangeable with: Mallory 9-48317 Mercury Marine 46-803750A03 Nissan/Tohatsu ... More Details
Volvo, OMC Cobra Pinion Bearing Carrier by Sierra - Special Order est. 10 Days Fits: Volvo, OMC Cobra (1986-93) without cone clutch Replaces: OMC 0911750 GLM 27800 Volvo 3858906 WARNING: Cancer and Re... More Details
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Complete Lower Unit Assembly - Special Order est. 10 Days WARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov More Details
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Sierra 18-4750 OMC Cover Assembly - (MW)

OMC Gearcase & Drive Parts
$135.99
Sierra 18-4750 OMC Cover Assembly Sierra high-quality engine parts are designed to meet OEM specifications. Interchangeable With: OMC Stern Drive 983967 WARNING: Cancer and Reproductive Harm - P65Warn... More Details
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Sierra 18-4749-9 Bolt (Priced Per Pkg Of 3) - MW

Volvo Penta Gearcase & Drive Parts
Cover Assembly Bolt (Priced Per Pkg of 3) - Special Order est. 10 Days For Cover Assembly: (3 Pack) Fits:  2.3L (1987-90) 2.5L (1986) 2.6L (1989) 3.0L (1986-93) 4.3L (1986-93) 5.0L (1986-94) 5.7L (198... More Details
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Sierra 18-4737 Rocker Arm Stud Sierra high-quality engine parts are designed to meet OEM specifications. Fits GM V-6 & V-8 engines. WARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov More Details
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Sierra 18-4735 2.02in Intake ValveWARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov Product Specifications BrandSierraManufacturer Part No.118-4735UPC808282315962Dimensions7" L × 6" W × 2" HS... More Details
Sierra 18-46981-9 Drain Fill Washer (Priced Per Pkg Of 50) Sierra drain fill washers for use with Mercury Marine and Yamaha Outboards. Use with: 18-2374 Magnetic Drain Screw Interchangeable with: Mall... More Details
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Sierra 18-4698 Drain Fill Washer Replaces 27-81987 - (MW)

Mercury Outboard Gearcase & Drive Parts
$2.69
Sierra 18-4698 Yamaha & Mercury Drain Fill Washer Sierra high-quality engine parts are designed to meet OEM specifications. Use with 18-2374 Magnetic Drain Screw Interchangeable with: Mallory 9-60100 ... More Details
Drain Tap - Special Order est. 10 DaysWARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov More Details
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Piston Kit - Special Order est. 10 DaysWARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov More Details
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Piston Kit - Special Order est. 10 DaysWARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov More Details
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Piston Kit - Special Order est. 10 DaysWARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov More Details
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Piston Kit - Special Order est. 10 DaysWARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov More Details
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Piston Kit - Special Order est. 10 DaysWARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov More Details
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Piston Kit - Special Order est. 10 DaysWARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov More Details
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Sierra 18-4638 Piston Kit - MW

Mercury Outboard V6 Pistons
Piston Kit - Special Order est. 10 Days WARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov More Details
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Sierra 18-4637 Piston Kit - MW

Mercury Outboard V6 Pistons
Sierra 18-4637 Piston Kit Sierra replacement piston kit for Mercury Marine and Mercury Sport Jet engines. Bore Size: 3.500 / .015 Port Interchangeable with: GLM 14430 Mercury Marine 785-9737A10 WARNIN... More Details
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Sierra 18-4600 Piston Kit Interchangeable with: GLM 14315 Wiseco 3002PS 3102PS WARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov More Details
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Piston Kit - Special Order est. 10 DaysWARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov More Details
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Sierra 18-45714 F75B Impeller - MW

Indmar Cooling System
Sierra 18-45714 F75B Impeller Sierra replacement impeller for Yanmar engines. Interchangeable with: Johnson Pump 09-821B Mallory 9-45714 Yanmar 119574-42550 119574-42552 WARNING: Cancer and Reproducti... More Details
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Sierra 18-45713 F4B Impeller Sierra replacement impeller for F4B Pumps. Interchangeable with: Jabsco 18653-0001 Johnson Pump 09-810B Mallory 9-45713 WARNING: Cancer and Reproductive Harm - P65Warnings... More Details
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Sierra 18-45712 Impeller WARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov More Details
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Piston Kit - Special Order est. 10 DaysWARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov More Details
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Sierra 18-45404 Impeller - MW

Nissan Outboard Cooling System
Sierra 18-45404 ImpellerWARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov More Details
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Sierra 18-45312 Impeller - MW

Mercury Outboard Water Pumps & Impellers
Sierra 18-45312 Impeller Sierra replacement impeller for Johnson/Evinrude and Mercury outboards. Fits: Johnson/Evinrude 2 HP 1993-99, 3HP 1991-99 Fits: Mercury 2(T884302 & Up), 2.5(A855097 & Up), 3.3(... More Details
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Sierra 18-4519 Flywheel - MW

Engine Parts
Sierra 18-4519 FlywheelWARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov More Details
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Sierra 18-4516 Flywheel Ring GearWARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov Product Specifications BrandSierraManufacturer Part No.118-4516UPC808282294892Dimensions19" L × 19" W × 2" H... More Details
Sierra 18-4515 Piston Kit Sierra high-quality engine parts are designed to meet OEM specifications. Interchangeable with: GLM 14030 Mercury Marine 774-9137A10 Wiseco 3023P3 3123P3 WARNING: Cancer and ... More Details
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Sierra 18-45003 Impeller - (MW)

Chrysler Outboard Impellers
$20.99
Sierra 18-45003 ImpellerWARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov Product Specifications BrandSierraManufacturer Part No.118-45003UPC808282342067Dimensions7" L × 6" W × 0.5" HShipping... More Details
Cylinder Head Assembly for 4.3L Vortec Additional Details: Intake Manifold Mounting Bolts: 8 8 Valves Cover: Center Mount Note: Not for use with engines using factory roller rocker arms Replaces: 4.3L... More Details
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Sierra 18-4461 Hose Barb - (MW)

Chrysler Inboard Exhaust Manifolds
$15.29
3/4" - 14 NPT Straight Hose Barb Replaces: Mercury 22-866725 GLM 13984 Corrosion Resistant Brass Fitting WARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov Product Specifications BrandSierraMa... More Details
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Sierra 18-4459 Prop Wrench - (MW)

Mercury Prop Hardware
$38.69
Sierra 18-4459 Prop Wrench Sierra replacement prop wrench fits most Sterndrives / 4 cylinder & larger outboards. Fits 1-1/16" Nut Interchangeable with: Mercruiser Stern Drive 91-859046Q4 91-821887A-1 ... More Details
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Sierra 18-4458 Exhaust Protector Valve Replaces 700-834800A5 - (MW)

Chrysler Inboard Exhaust Manifolds
$86.29
Sierra 18-4458 Universal 5" Exhaust Protector Valve Sierra high-quality engine parts are designed to meet OEM specifications. Fits both 5" & 6" Exhaust and includes stainless steel clamp. Compounded r... More Details
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Sierra 18-4457 Exhaust Protector Valve Replaces 12644A1 - (MW)

Chrysler Inboard Exhaust Manifolds
$44.19
Sierra 18-4457 Mercruiser Exhaust Protector Valve - Replaces 12644A1 The Sierra 18-4457 Exhaust protector valve is a compounded rubber flapper valve that prevents water from entering the exhaust syste... More Details
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Sierra 18-4456 Exhaust Protector Valve Replaces 34765A2 - (MW)

Chrysler Inboard Exhaust Manifolds
$44.89
Sierra 18-4456 Universal 3" Exhaust Flapper Includes 3" stainless steel clamp. Features: Compounded rubber flapper valves stops water from entering the exhaust system Constructed with weather resistan... More Details
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Sierra 18-4455-1 Cable Boot - (MW)

No Category
$13.29
Sierra 18-4455-1 Cable Boot This cable boot by Sierra features a 4-1/2" hole and is designed for securing and organizing pass-thru cables and fuel lines. WARNING: Cancer and Reproductive Harm - P65War... More Details
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Sierra 18-4454-1 Cable Boot - (MW)

Electrical Supplies
$18.19
Sierra 18-4454-1 Cable Boot Sierra high-quality engine parts are designed to meet OEM specifications.  For 3" hole Supersedes: 18-4454 WARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov Produc... More Details
Sierra 18-4447 Universal Brass Battery Terminal Sierra replacement universal brass battery terminal. Sierra aftermarket parts are manufactured to meet or exceed OEM requirements. Neg. 5/16" Stud WARNI... More Details
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Sierra 18-4446 Prop Wrench Kit - MW

Mercury Prop Hardware
Sierra 18-4446 Mercruiser Prop Wrench Kit Sierra high-quality engine parts are designed to meet OEM specifications. For Alpha and Bravo One Drives. Kit Includes: (2) 18-3200 Tab Washer (1) 18-3700 Pro... More Details
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Sierra 18-4444 Prop Wrench for Mercury, Mercruiser Engines Sierra high-quality engine parts are designed to meet OEM specifications. Interchangeable with: Mercruiser Stern Drive 91-95830A1 91-38277A1 ... More Details
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Sierra 18-4442 MerCruiser Alpha One Engine Alignment Tool Used to Verify Engine Alignment On: All MC-I, R-MR, Alpha 1, Alpha One/Gen 2 drives All Bravo drives All OMC Cobra drives Interchangeable With... More Details
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Sierra 18-4434 Powerhead Gasket Set - MW

Nissan Outboard Internal Engine Parts
Sierra 18-4434 Powerhead Gasket Set WARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov More Details
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Exhaust Elbow Gasket (Priced Per Pkg of 2) - Special Order est. 10 Days WARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov More Details
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Sierra 18-4431 Exhaust Elbow Gasket - MW

Volvo Penta Internal Engine Parts
Exhaust Elbow Gasket  for OMC, Volvo Fits most GM OMC Center Rise Manifolds Replaces: OMC 0351325 Volvo 3863191 Aqua Power 2550 Barr OMC47-913783 Donovan B765602 Felpro 17541 GLM 33810 Mallory 9-61452... More Details
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Sierra 18-4429 Powerhead Gasket Set - MW

Evinrude Outboard Gasket Sets
Sierra 18-4429 Powerhead Gasket Set Sierra replacement powerhead gasket set for Johnson/Evinrude Outboards. Fits: 200 Ficht FFI (1999-01), 225 (2000-04), 250 (2000-04), 3.3L (2000-04)   WARNING: Cance... More Details
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Sierra 18-4428 Powerhead Gasket Set - MW

Evinrude Outboard Gasket Sets
Sierra 18-4428 Powerhead Gasket Set Sierra replacement powerhead gasket set for Johnson/Evinrude Outboards. Interchangeable with: Johnson/Evinrude Outboard 437725 Mallory 9-64106 WARNING: Cancer and R... More Details
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Sierra 18-4427 Powerhead Gasket Set - MW

Yamaha Outboard Powerhead Gasket Sets
Powerhead Gasket Set - Special Order est. 10 DaysWARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov More Details
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Sierra 18-4421 Powerhead Gasket Set - MW

Johnson Special Order Parts
Sierra 18-4421 Powerhead Gasket Set Sierra replacement powerhead gasket set for Johnson/Evinrude Outboards. Interchangeable with: Johnson/Evinrude Outboard 5000400   WARNING: Cancer and Reproductive H... More Details
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Sierra 18-4415 Powerhead Gasket Set - MW

Yamaha Outboard Powerhead Gasket Sets
Sierra 18-4415 Powerhead Gasket Set for Yamaha C85, CV85 Outboards Sierra replacement powerhead gasket set for Yamaha Outboards. Fits: Yamaha C85 (1991), CV85 (1989-90) Interchangeable with: Yamaha Ou... More Details
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Sierra 18-44092 Transom Thermostat Housing Hose This item has been discontinued by the manufacturer and is no longer available. WARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov More Details
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Sierra 18-4402 Powerhead Gasket Set - MW

Evinrude Outboard Gasket Sets
Sierra 18-4402 Powerhead Gasket Set Sierra replacement powerhead gasket set for Johnson/Evinrude Outboards. Fits: 90 V4 60 degree (1995-06), 115 V4 60 degree (1995-06) Interchangeable with: Johnson/Ev... More Details
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Sierra 18-4399 Exhaust Manifold Gasket Set - MW

Volvo Penta Exhaust Manifolds
Sierra 18-4399 Exhaust Manifold Gasket Set Sierra Marine engine parts are manufactured to meet or exceed OEM requirements. This exhaust manifold gasket set is for use in Ford 302/351 CID engines. For:... More Details
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Sierra 18-4396 Exhaust Manifold Gasket Set Sierra replacement exhaust manifold gasket set for Mercruiser Stern Drives For 250 (4.1L) CID engines; 165 hp s/n 2770032 & up Set Contains: (1) 18-0353 Carb... More Details
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Sierra 18-4394 Exhaust Manifold Gasket Set - MW

OMC Internal Engine Parts
This product has been discontinued by the manufacturer and has been superseded by Mercury 27-33395A-2 Exhaust Manifold Gasket Set - by Sierra Special Order est. 10 Days For: GM 350 (5.7L) CID Eng; 250... More Details
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(1064) GASKET SETWARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov More Details
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Sierra 18-4392 Mercruiser Intake Manifold Gasket Set Sierra high-quality engine parts are designed to meet OEM specifications. Fits MCM/MIE GM V-8 (305 & 350 CID) engines (1986 & older) Set Includes: ... More Details
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Sierra 18-4389 Intake Manifold Gasket Set - (MW)

Mercruiser Engine Gasket Sets
$176.49
Sierra 18-4389 Mercruiser Intake Manifold Gasket Set Sierra high-quality engine parts are designed to meet OEM specifications. Fits MCM GM In-Line 6 cyl. Interchangeable with: GLM 39660 Mallory 9-6121... More Details
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Sierra 18-4388MerCruiser Intake Manifold Gasket Set - (MW)

Mercruiser Engine Gasket Sets
$512.39
MerCruiser Intake Manifold Gasket Set by Sierra 18-4388 For GM 262 CID Engines - 175, 185 & 205 HP, 4.3L Kit Includes: 18-3879 Head Gasket Intake Manifold Gasket Set 18-4408 Oil Pan Gasket 18-0405 Val... More Details
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Sierra 18-4387 Overhaul Gasket Set - MW

Mercruiser Engine Gasket Sets
Sierra 18-4387 Overhaul Gasket Set Sierra 18-4387 Overhaul Gasket Set for GM 454 (7.4L) CID Engines; production models. Includes 18-3877 Head Gasket Style: Oval Port Interchangeable with: GLM 39020 Ma... More Details
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Sierra 18-4385 Overhaul Gasket Set - MW

Mercruiser Engine Gasket Sets
Sierra 18-4385 Mercruiser Overhaul Gasket Set Sierra high-quality engine parts are designed to meet OEM specifications. Includes 18-3883 head gasket. For Ford 302 (5.0L) CID Engines; 215, 225 & 888 (1... More Details
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Sierra 18-4384 MerCruiser 3.0L 2508261-6229717 Overhaul Gasket Set For GM 181 (3.0L) CID Engines - S/N 2508261-6229717 (Except 3.0LX) Includes: Gasket NSS Valve Cover Gasket 18-0347 Oil Pan Gasket Set... More Details
Timing Chain Gasket Set - Special Order est. 10 Days WARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov Product Specifications BrandSierraManufacturer Part No.118-4380UPC808282259228Dimensions... More Details
(1070) GASKET SET WARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov More Details
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Overhaul Gasket Set for OMC 140 hp and 3.0L - special order est. 10 days For 140 HP and 3.0L (1973-88) Replaces: Mallory 9-61100 GLM - 39820 WARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov More Details
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Sierra 18-4373 Overhaul Gasket Set for OMC 110, 120 HP & 2.5L Sierra high-quality engine parts are designed to meet OEM specifications. For 110, 120 HP & 2.5L (1965-86) Interchangeable with: GLM 39810... More Details
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(1575) GASKET SETWARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov More Details
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MerCruiser 4Cyl Exhaust Manifold Gasket Set by Sierra For GM 153 & 181 (2.5 & 3.0L) CID Engines; 120 & 140 HP - S/N 6229718 & UP (With Siamese Port Cylinder Heads) Interchangeable with: Barr MC47-27-9... More Details
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Sierra 18-4366 Oil Pan Gasket Set - MW

Mercruiser Oil Pan Gaskets
Sierra 18-4366 Oil Pan Gasket Set Sierra replacement oil pan gasket set for Mercruiser Stern Drives. For Mercruiser 224 CID (3.7L) Interchangeable with: GLM 30850 Mercruiser Stern Drive 27-72479A5 27-... More Details
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Sierra 18-4364 Exhaust Elbow Mounting Package - (MW)

Chrysler Inboard Exhaust Manifolds
$22.09
Sierra 18-4364 Exhaust Elbow Mounting Package - Open Sierra high-quality engine parts are designed to meet OEM specifications. Use with: 18-1907 Riser 18-1939 Riser 18-1999 Elbow 18-1971 Elbow Mountin... More Details
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Sierra 18-4363 Exhaust Elbow Mounting Package - MW

Volvo Penta Exhaust Manifolds
Exhaust Elbow Mounting Package for Barr - Special Order est. 10 Days Replaces:  Barr FM-1-83-P Use with Manifold 18-1998-1 WARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov More Details
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Exhaust Elbow Mounting Package - Special Order est. 10 DaysWARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov More Details
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Sierra 18-4361 Exhaust Elbow Mounting Package - MW

Chrysler Inboard Exhaust Manifolds
Sierra 18-4361 Exhaust Elbow Mounting Package Sierra exhaust elbow mounting package for raw water cooled manifolds. Contains: 18-2941 manifold end cap (open) gasket 18-4263 Pipe plug 18-4257 Pipe plug... More Details
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Sierra 18-4359 Overhaul Gasket Set - MW

Mercury Outboard Powerhead Gasket Kits
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 Marine 27-8... More Details
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Sierra 18-4350 Gasket Set - MW

Mercury Outboard Powerhead Gasket Kits
Sierra 18-4350 Gasket Set WARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov More Details
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Sierra 18-4349 Mercruiser V8 Exhaust Manifold Gasket Set Sierra high-quality engine parts are designed to meet OEM specifications. For GM 200, 228, 230, 260, 898 (5.0 & 5.7L). Set Contains: (2) 18-087... More Details
Exhaust Manifold Gasket Set - Special Order est. 10 DaysWARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov Product Specifications BrandSierraManufacturer Part No.118-4348UPC030999755964Dimensi... More Details
Sierra 18-4347-1 Exhaust Manifold Gasket Set Sierra high-quality engine parts are designed to meet OEM specifications. For use with Mercruiser Stern Drives. For GM 175, 185, 205 (229 & 262 CID) Set In... More Details
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Sierra 18-4338 Powerhead Gasket Set - MW

Mercury Outboard Powerhead Gasket Kits
Powerhead Gasket Set - Special Order est. 10 DaysWARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov More Details
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Sierra 18-4329 Crankshaft Seal Kit - MW

Johnson Outboard Crankshaft Oil Seals
Sierra 18-4329 Crankshaft Seal Kit Sierra replacement crankshaft seal kit for Johnson/Evinrude Outboards. Fits: 20HP (1981-89), 25HP (1977-89), 28HP (1986-88), 30HP (1984-89), 35HP (1976-89) Kit Conta... More Details
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Sierra 18-43263 Water Pump Housing - MW

Yamaha Outboard Thermostats & Gaskets
Sierra 18-43263 Water Pump Housing Interchangeable: Mallory 9-43263 Yamaha Outboard 68D-G4311-00-00 68D-G4311-01-00 WARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov More Details
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Sierra 18-43175 Thermostat Kit - (MW)

Tohatsu Outboard Thermostats & Gaskets
$64.39
Sierra 18-43175 Thermostat Kit Sierra replacement thermostat kit for Mercury and Nissan/Tohatsu Outboards. Temperature Rating: 130°F Interchangeable with: Mallory 9-43175 Mercury Marine 855676002 8M01... More Details
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Sierra 18-43052 Thermostat Kit - (MW)

Mercury Outboard Thermostats & Gaskets
$58.09
Sierra 18-43052 Mercury Thermostat Kit Sierra replacement thermostat kit for Mercury Outboards. Temperature Rating: 120°F Application Info: Fits Mercury 6-25 hp 2 cycle outboards Interchangeable with:... More Details
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Sierra 18-4303-1 Powerhead Gasket Set Replaces 0439085 - (MW)

Evinrude Outboard Power Head Gaskets
$184.99
Powerhead Gasket Set for Johnson & Evinrude Kit Includes: 18-0850 - Fuel Pump Mounting Gasket 18-2876 - By-Pass Cover Gaskets 18-2866 - Exhaust Cover Gaskets 18-0953 - Water Passage Gasket 18-0117 - E... More Details
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Sierra 18-43017 Thermostat - (MW)

Mercruiser Thermostats & Gaskets
$31.99
Sierra 18-43017 Thermostat Sierra replacement thermostat for Indmar GM and Ford Raw Water Cooled Engines. Fits: MCM 496 Mag & HO and MIE 8.1L & HO 160° Interchangeable with: Indmar S985009 Mallory 9-4... More Details
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Our goal is simple: to deliver the best quality marine parts you can count on. We focus on dependable service, fast shipping, and proven products that are either American-made or American-tested and approved for quality and reliability.