Skip to content
Celebrating over 50 years of Trusted Marine Service
Over 50 years of Trusted Marine Service

Factory Authorized Parts

Factory Authorized Marine Parts & Service

OEM Dealer Parts & Factory Authorized Marine Service Parts

Start with our main OEM dealer lines for Volvo Penta, Mercury / MerCruiser, Yanmar, Crusader, Indmar, and PCM, or use the factory-authorized parts paths below for brands such as Yamaha, Honda, Tohatsu, Hino, Sierra, Suzuki, Johnson / Evinrude, Kohler, Westerbeke, and other marine engine, outboard, generator, fuel, cooling, ignition, and service parts.

Fitment Check

Use your engine or equipment brand, model, serial number, drive, transmission, generator details, current part number, and clear photos before ordering replacement parts.

Confirm Fitment

Marine parts can vary by serial number, production range, cooling setup, drive model, emissions equipment, horsepower, and replacement history.

Factory Authorized Parts Brands

Outboard, Diesel, Generator, and Service Parts Support

The six OEM buttons above are the main OEM dealer lines. These links are for other factory-authorized and brand-specific marine parts searches, especially outboard parts, diesel engine parts, generator parts, fuel parts, cooling parts, ignition parts, pumps, filters, and service replacement lines.

YamahaOutboard service parts, filters, water pumps, fuel parts, ignition parts, anodes, and maintenance items Honda MarineHonda outboard filters, impellers, ignition parts, fuel parts, anodes, and routine service parts TohatsuTohatsu outboard water pumps, filters, fuel parts, propeller hardware, ignition, and service parts Suzuki MarineSuzuki outboard service parts, filters, pumps, fuel parts, sensors, anodes, and maintenance support HinoMarine diesel service parts, filters, cooling parts, belts, fuel parts, gaskets, and engine support SierraMarine replacement parts for common engine, outboard, fuel, cooling, ignition, gasket, and service jobs Johnson / EvinrudeOutboard service parts, fuel parts, ignition parts, water pump parts, anodes, and maintenance items OMCLegacy sterndrive and outboard parts, ignition, fuel, cooling, seals, gaskets, and service hardware KohlerMarine generator filters, impellers, belts, sensors, electrical parts, and service components WesterbekeGenerator and marine engine parts, filters, pumps, belts, cooling parts, and service supplies Northern LightsMarine generator filters, impellers, belts, fuel parts, cooling parts, and maintenance support OnanMarine generator service parts, filters, ignition parts, belts, fuel parts, and maintenance items CumminsMarine diesel filters, belts, cooling parts, fuel parts, sensors, gaskets, and service support CaterpillarMarine diesel service parts, filters, belts, cooling parts, fuel system parts, and engine support PerkinsMarine diesel filters, pumps, belts, cooling parts, fuel parts, gaskets, and maintenance parts Detroit DieselMarine diesel filters, fuel parts, cooling parts, gaskets, belts, and service replacement parts Universal DieselSmall marine diesel filters, pumps, belts, cooling parts, fuel parts, and service items KubotaMarine diesel service parts, filters, belts, pumps, fuel parts, and cooling components SherwoodRaw-water pumps, impellers, pump kits, covers, cams, seals, and cooling system service parts JabscoRaw-water pumps, impellers, pressure pumps, macerators, rebuild kits, and service parts Johnson PumpEngine cooling pumps, impellers, service kits, circulation support, and pump replacement parts RacorFuel filters, water separators, elements, bowls, drain parts, and fuel filtration service items ARCOMarine starters, alternators, trim motors, solenoids, and charging system replacement parts CDI ElectronicsMarine ignition parts, switch boxes, regulators, stators, triggers, and electrical service parts NGKMarine spark plugs, ignition service parts, tune-up items, and engine maintenance support MoellerMarine fuel tanks, fuel senders, fittings, primer bulbs, caps, and fuel system parts Mallory MarineIgnition parts, distributors, tune-up components, fuel parts, and engine service items QuicksilverMercury service parts, filters, lubricants, impellers, prop hardware, and maintenance support

Find the Right Part Faster

Search by Brand, Part Number, Serial Number, Engine Model, or Service Job

Exact part numbers are best. If you do not have the number, search by brand and system, such as Yamaha water pump kit, Honda fuel filter, Tohatsu impeller, Hino belt, Sierra gasket, Volvo Penta sensor, or MerCruiser thermostat.

Parts Desk Support

Confirm Fitment Before the Boat Is Apart

Factory-authorized and brand-specific parts often look similar across engines and model years. The Parts Desk can help narrow the right path when you have a serial number, model plate photo, old part number, clear part photos, and the service job you are planning.

Factory Service Paths

Parts, Service, and Repower Conversations in One Place

Use this page to start with the right brand, then move into maintenance parts, engine repairs, cooling, fuel, electrical, exhaust, drive components, generator parts, or service support. For larger jobs, confirm the scope before ordering parts.

01

Serial Number Matters

Engine and drive model names alone are not always enough. Serial number and production range help confirm the right part.

02

Use Exact Details

Old part numbers, model plates, labels, casting marks, connector styles, and clear photos are useful fitment clues.

03

Plan the Full Job

Service jobs often need gaskets, seals, fluids, hardware, clamps, or installation parts along with the main component.

What to Send for Help

Better Details Help Us Find Better Matches

When you need help, send the engine or drive brand, serial number, model, horsepower, old part number, photos of the part and label, and a short note about the repair or maintenance job.

Routine maintenanceFilters, impellers, belts, fluids, anodes, thermostats, spark plugs, gaskets, and service kits.
Repair workPumps, sensors, starters, alternators, exhaust parts, fuel parts, cooling parts, seals, and hardware.
Major jobsEngine parts, drive parts, transmissions, repower conversations, and service planning should be confirmed before ordering.

Factory Authorized Parts FAQ

Choosing Factory Authorized Marine Parts

What information do I need to order factory-authorized or OEM marine parts?

Use the engine, drive, generator, or equipment brand, model, serial number, horsepower, current part number, and photos of the part, model plate, or label.

Why do serial numbers matter?

Marine engines and drives can change during production. Serial number, model year, cooling setup, drive model, and installed equipment help confirm the correct part.

Can the Parts Desk help when I do not know the part number?

Yes. Send clear photos, serial numbers, model details, the old part, and the service job. The Parts Desk can help narrow the correct search path.

Are factory parts and replacement service parts always interchangeable?

No. Similar-looking parts can have different threads, seals, electrical connectors, ratings, sizes, or calibration. Confirm compatibility before ordering.

Shop OEM Dealer Lines and Factory Authorized Marine Parts

Find marine parts by brand, part number, system, engine model, drive model, generator model, serial number, or maintenance job. Start with the brand, then narrow by the part or service path.

Filters

$
$

Moeller 025491C Color Vision Engine Paint, Crusader Blue

Original price $32.79 - Original price $32.79
Original price $32.79
$32.79
$32.79 - $32.79
Current price $32.79
Only 1 left!

Genuine Crusader Blue engine paint formulated to OEM specifications for authentic restoration and touch-up of Crusader marine engines. This high-te...

View full details
Original price $32.79 - Original price $32.79
Original price $32.79
$32.79
$32.79 - $32.79
Current price $32.79

Crusader Crankshaft Position Sensor 8.1L - OEM Part R020034

Original price $301.77 - Original price $301.77
Original price $301.77
$301.77
$301.77 - $301.77
Current price $301.77
Out of stock

Genuine Crusader crankshaft position sensor engineered to OEM specifications for 8.1L marine engines. This critical sensor monitors crankshaft rota...

View full details
Original price $301.77 - Original price $301.77
Original price $301.77
$301.77
$301.77 - $301.77
Current price $301.77
Sold out

Crusader Water Temperature Switch EEMS - OEM Part R020014A

Original price $87.82 - Original price $87.82
Original price $87.82
$87.82
$87.82 - $87.82
Current price $87.82
Out of stock

Genuine Crusader water temperature switch engineered to OEM specifications for Electronic Engine Management System (EEMS) equipped engines. This pr...

View full details
Original price $87.82 - Original price $87.82
Original price $87.82
$87.82
$87.82 - $87.82
Current price $87.82
Sold out

Crusader TBI Plenum Gasket - OEM Part RM0251

Original price $2.00 - Original price $2.00
Original price $2.00
$2.00
$2.00 - $2.00
Current price $2.00
Only 2 left!

Genuine Crusader TBI plenum gasket engineered to OEM specifications for reliable sealing in throttle body injection intake systems. This precision-...

View full details
Original price $2.00 - Original price $2.00
Original price $2.00
$2.00
$2.00 - $2.00
Current price $2.00

Crusader Fuel/Water Separator – OEM Part RA080033

Original price $0.00 - Original price $0.00
Original price $0.00
$227.82
$227.82 - $227.82
Current price $227.82
Only 2 left!

Crusader Fuel/Water Separator – OEM Part RA080033Protect your engine’s fuel system from the water and contamination that are a constant reality in ...

View full details
Original price $0.00 - Original price $0.00
Original price $0.00
$227.82
$227.82 - $227.82
Current price $227.82

Volvo Penta Socket Head Cap Screw - OEM Part 984257

Original price $8.70 - Original price $8.70
Original price $8.70
$8.70
$8.70 - $8.70
Current price $8.70
Only 5 left!

Genuine Volvo Penta socket head cap screw engineered to OEM specifications for secure fastening in marine engine and drive applications. This preci...

View full details
Original price $8.70 - Original price $8.70
Original price $8.70
$8.70
$8.70 - $8.70
Current price $8.70

Volvo Penta O-Ring 125362

Original price $5.20 - Original price $5.20
Original price $5.20
$5.20
$5.20 - $5.20
Current price $5.20
in stock

Volvo Penta 125362 is a genuine OEM O-ring used in Volvo Penta marine cooling-system service. Volvo Penta’s official parts shop lists 125362 as an ...

View full details
Original price $5.20 - Original price $5.20
Original price $5.20
$5.20
$5.20 - $5.20
Current price $5.20

Volvo Penta O-Ring 20939274

Original price $0.00 - Original price $0.00
Original price $0.00
$3.00
$3.00 - $3.00
Current price $3.00
in stock

Volvo Penta 20939274 is a genuine OEM O-ring used in Volvo Penta engine-system applications. Volvo Penta's official parts catalog identifies part 2...

View full details
Original price $0.00 - Original price $0.00
Original price $0.00
$3.00
$3.00 - $3.00
Current price $3.00

Volvo Penta Adapter - OEM Part 21238201

Original price $17.20 - Original price $17.20
Original price $17.20
$17.20
$17.20 - $17.20
Current price $17.20
in stock

Genuine Volvo Penta adapter engineered to OEM specifications for reliable connection and interface compatibility in marine engine and drive applica...

View full details
Original price $17.20 - Original price $17.20
Original price $17.20
$17.20
$17.20 - $17.20
Current price $17.20

Volvo Penta Drive Belt -21405493

Original price $0.00 - Original price $0.00
Original price $0.00
$98.00
$98.00 - $98.00
Current price $98.00
in stock

Volvo Penta Drive Belt – 21405493 Maintain reliable accessory drive performance with the genuine Volvo Penta 21405493 Drive Belt. This OEM multi-ri...

View full details
Original price $0.00 - Original price $0.00
Original price $0.00
$98.00
$98.00 - $98.00
Current price $98.00

Volvo Penta Stud - OEM Part 21796363

Original price $52.30 - Original price $52.30
Original price $52.30
$52.30
$52.30 - $52.30
Current price $52.30
in stock

Genuine Volvo Penta stud engineered to OEM specifications for secure fastening in marine engine and drive applications. This precision-manufactured...

View full details
Original price $52.30 - Original price $52.30
Original price $52.30
$52.30
$52.30 - $52.30
Current price $52.30

Genuine Yanmar V/C O RING 2GMAND F

Original price $25.36 - Original price $25.36
Original price $25.36
$25.36
$25.36 - $25.36
Current price $25.36
Only 2 left!

Genuine Yanmar 2GMAND Cylinder Head Bonnet Gasket(Rocker Cover Gasket)

Original price $25.36 - Original price $25.36
Original price $25.36
$25.36
$25.36 - $25.36
Current price $25.36

Volvo Penta Dog Clutch (Part #3856502)

Original price $215.00 - Original price $215.00
Original price $215.00
$215.00
$215.00 - $215.00
Current price $215.00
Only 1 left!

Genuine Volvo Penta dog clutch designed for reliable mechanical engagement in marine transmission and drive systems. This precision-engineered OEM ...

View full details
Original price $215.00 - Original price $215.00
Original price $215.00
$215.00
$215.00 - $215.00
Current price $215.00

Volvo Penta Plunger (Part #3856008)

Original price $296.00 - Original price $296.00
Original price $296.00
$296.00
$296.00 - $296.00
Current price $296.00
Only 1 left!

Genuine Volvo Penta plunger engineered for precise mechanical actuation in marine engine fuel and hydraulic systems. This critical OEM component en...

View full details
Original price $296.00 - Original price $296.00
Original price $296.00
$296.00
$296.00 - $296.00
Current price $296.00

Volvo Penta Sealing Kit (Part #3856002)

Original price $225.00 - Original price $225.00
Original price $225.00
$225.00
$225.00 - $225.00
Current price $225.00
Only 1 left!

Genuine Volvo Penta sealing kit containing essential gaskets and seals for reliable engine sealing and leak prevention. This comprehensive OEM kit ...

View full details
Original price $225.00 - Original price $225.00
Original price $225.00
$225.00
$225.00 - $225.00
Current price $225.00

Volvo Penta Timing Gear Casing 3855735

Original price $337.00 - Original price $337.00
Original price $337.00
$337.00
$337.00 - $337.00
Current price $337.00
Only 1 left!

Volvo Penta 3855735 is a genuine OEM timing gear casing used on Volvo Penta gasoline engine timing-cover / front-engine service. Current Volvo Pent...

View full details
Original price $337.00 - Original price $337.00
Original price $337.00
$337.00
$337.00 - $337.00
Current price $337.00

Volvo Penta Service Kit (Part #3855275)

Original price $80.00 - Original price $80.00
Original price $80.00
$80.00
$80.00 - $80.00
Current price $80.00
Only 1 left!

Genuine Volvo Penta service kit containing essential components for routine maintenance and optimal engine performance. This OEM kit includes quali...

View full details
Original price $80.00 - Original price $80.00
Original price $80.00
$80.00
$80.00 - $80.00
Current price $80.00

Yanmar Engine Gasket X0506590-01

Original price $9.40 - Original price $9.40
Original price $9.40
$9.40
$9.40 - $9.40
Current price $9.40
Only 2 left!

Yanmar X0506590-01, also listed as 05-06-590, is a genuine OEM sea water pump impeller O-ring used to seal the raw water pump cover on a wide range...

View full details
Original price $9.40 - Original price $9.40
Original price $9.40
$9.40
$9.40 - $9.40
Current price $9.40

Yanmar Marine Engine O-Ring - OEM Seal Component

Original price $9.42 - Original price $9.42
Original price $9.42
$9.42
$9.42 - $9.42
Current price $9.42
Only 2 left!

OEM O-Ring for Yanmar Marine Engines This genuine Yanmar O-ring is designed for marine engines, providing reliable sealing at various internal and ...

View full details
Original price $9.42 - Original price $9.42
Original price $9.42
$9.42
$9.42 - $9.42
Current price $9.42

Yanmar Gasket 120650-18500 - OEM Engine Gasket

Original price $13.49 - Original price $13.49
Original price $13.49
$13.49
$13.49 - $13.49
Current price $13.49
Only 4 left!

Genuine OEM Yanmar gasket (part number 120650-18500) designed to provide a reliable seal for your engine components. This factory-spec gasket ensur...

View full details
Original price $13.49 - Original price $13.49
Original price $13.49
$13.49
$13.49 - $13.49
Current price $13.49

Yanmar OEM Internal Engine Anode 120650-18530

Original price $44.68 - Original price $44.68
Original price $44.68
$44.68
$44.68 - $44.68
Current price $44.68
Only 4 left!

Genuine OEM Yanmar sacrificial anode (part number 120650-18530) designed to protect your engine's cooling system from galvanic corrosion. This fact...

View full details
Original price $44.68 - Original price $44.68
Original price $44.68
$44.68
$44.68 - $44.68
Current price $44.68

Yanmar Fuel Filter 120650-55020 - OEM Diesel Fuel Filter

Original price $73.05 - Original price $73.05
Original price $73.05
$73.05
$73.05 - $73.05
Current price $73.05
Only 1 left!

Genuine OEM Yanmar fuel filter (part number 120650-55020) designed to protect your engine's fuel injection system from contamination. This factory-...

View full details
Original price $73.05 - Original price $73.05
Original price $73.05
$73.05
$73.05 - $73.05
Current price $73.05

Yanmar Feed Pump Gasket 121520-01851 - OEM Fuel Pump Gasket

Original price $7.98 - Original price $7.98
Original price $7.98
$7.98
$7.98 - $7.98
Current price $7.98
Out of stock

Genuine OEM Yanmar feed pump gasket (part number 121520-01851) designed to provide a reliable seal for your engine's fuel feed pump. This factory-s...

View full details
Original price $7.98 - Original price $7.98
Original price $7.98
$7.98
$7.98 - $7.98
Current price $7.98
Sold out

Yanmar Gasket 123678-55850 - OEM Engine Gasket

Original price $5.18 - Original price $5.18
Original price $5.18
$5.18
$5.18 - $5.18
Current price $5.18
in stock

Genuine OEM Yanmar gasket (part number 123678-55850) designed to provide a reliable seal for your engine's cover components. This factory-spec gask...

View full details
Original price $5.18 - Original price $5.18
Original price $5.18
$5.18
$5.18 - $5.18
Current price $5.18