Engine Parts & Service
Keep your vessel running at peak performance with high-quality marine engine parts and service essentials designed for dependable operation in demanding freshwater and saltwater environments. Our Engine Parts & Service collection features premium replacement parts, maintenance components, and service supplies to help extend engine life, improve reliability, and reduce unexpected downtime. From oil filters, fuel filters, impellers, belts, spark plugs, thermostats, anodes, gaskets, water pumps, lubricants, and tune-up kits to essential engine maintenance accessories, you'll find the components needed for routine servicing and repairs. Regular maintenance with quality marine engine parts helps maximize fuel efficiency, protect critical engine systems, and ensure dependable performance season after season.
Featuring products from trusted marine manufacturers for a wide range of inboard and outboard engines, our Engine Parts & Service collection delivers the quality and durability serious boaters expect. Browse our selection today and let our knowledgeable team help you find the right parts to keep your engine performing at its best.
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- Featured
- Most relevant
- Best selling
- Alphabetically, A-Z
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- Price, low to high
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- Date, old to new
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Vendor:Trident Marine
Trident Marine 2-1/2" x 25' Ocean-Flex Multipurpose Hose [321-2125]
- $1,024.97
$1,661.43- $1,024.97
- Unit price
- / per
2-1/2" x 25' Ocean-Flex Multipurpose HoseThis unique marine hose can be used for a multitude of applications for both Commercial and Recreational Vessels including Fuel Fill, Feed, and Vent (Diesel & Gasoline – Type A1), Lube Oil, Wet Exhaust, Water (Vital and Non-Vital), Bilge,...- $1,024.97
$1,661.43- $1,024.97
- Unit price
- / per
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Vendor:ARCO Marine
ARCO Marine IG026 Ignition Coil f/Yamaha Outboard Engines [IG026]
- $75.02
$99.41- $75.02
- Unit price
- / per
IG026 Ignition Coil for Yamaha Outboard EnginesThis ARCO ignition coil is designed for specific Yamaha outboard engines.Fits:Outboard engine 115-225HP; L200, L150, L130, 115, 130, 150, 175, 200, 225Replaces: YAMAHA Ignition Coil 6E5-85570-11-00 YAMAHA Ignition Coil 6E5-85570-10-00 SIERRA Ignition Coil 18-5110 CDI ELECTRONICS Ignition Coil...- $75.02
$99.41- $75.02
- Unit price
- / per
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Vendor:Trident Marine
Trident Marine 1-1/2" x 50' Ocean-Flex Multipurpose Hose [321-1126]
- $1,261.39
$2,047.11- $1,261.39
- Unit price
- / per
1-1/2" x 50' Ocean-Flex Multipurpose HoseThis unique marine hose can be used for a multitude of applications for both Commercial and Recreational Vessels including Fuel Fill, Feed, and Vent (Diesel & Gasoline – Type A1), Lube Oil, Wet Exhaust, Water (Vital and Non-Vital), Bilge,...- $1,261.39
$2,047.11- $1,261.39
- Unit price
- / per
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Vendor:Trident Marine
Trident Marine 2" x 50' Ocean-Flex Multipurpose Hose [321-2006]
- $1,557.28
$2,525.52- $1,557.28
- Unit price
- / per
2" x 50' Ocean-Flex Multipurpose HoseThis unique marine hose can be used for a multitude of applications for both Commercial and Recreational Vessels including Fuel Fill, Feed, and Vent (Diesel & Gasoline – Type A1), Lube Oil, Wet Exhaust, Water (Vital and Non-Vital), Bilge,...- $1,557.28
$2,525.52- $1,557.28
- Unit price
- / per
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Vendor:Regitar U.S.A.
Regitar USA MAP Sensor f/Mercruiser Engines: MCM V-6 V-8 (305, 350 496 CID) MPI Engines w/ECM 555 [RMJ002]
- $137.31
$202.45- $137.31
- Unit price
- / per
MAP Sensor for Mercruiser Engines: MCM V-6 & V-8 (305, 350 & 496 CID) MPI Engines with ECM 555MAP Sensor for Mercruiser engines: MCM V-6 & V-8 (305, 350 & 496 CID) MPI Engines With ECM 555.Engine Brand:Mercury / MercruiserFitment:MCM V-6 & V-8 (305,...- $137.31
$202.45- $137.31
- Unit price
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Vendor:Regitar U.S.A.
Regitar USA Camshaft Position Sensor f/Volvo Penta Engines [RMX001]
- $121.74
$191.11- $121.74
- Unit price
- / per
Camshaft Position Sensor for Volvo Penta EnginesCamshaft Position Sensor for Volvo Penta Engines: MCM and MEI 350 Mag MPI, MX 5.7L MPI, 6.2L MPI & 377 Mag.Engine Brand:Volvo PentaFitment:MCM and MEI 350 Mag MPI, MX 5.7L MPI, 6.2L MPI & 377 Mag Brochure (pdf)- $121.74
$191.11- $121.74
- Unit price
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Vendor:Regitar U.S.A.
Regitar USA Condenser f/GM 4 6-Cylinder Engine w/Delco Ignition [RMB001]
- $7.06
$9.91- $7.06
- Unit price
- / per
Condenser for GM 4 & 6-Cylinder Engine with Delco IgnitionCondenser for 4 and 6-cylinder Mercruiser, Volvo Penta, and OMC inboard engines with Delco Conventional Ignitions.Engine Brand: Mercury / Mercruiser OMC Volvo Penta Fitment: GM 4 and 6-cylinder Engines With Delco Conventional Ignition Specifications: Type: Parts...- $7.06
$9.91- $7.06
- Unit price
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Vendor:Regitar U.S.A.
Regitar USA Distributor Cap f/Ford GM V8 Engines [RME002]
- $31.13
$37.52- $31.13
- Unit price
- / per
Distributor Cap for Ford & GM V8 EnginesDistributor Cap for Ford & GM V-8 Engines With Prestolite Conventional Ignition (Screw Hold-Down Cap).Engine Brand: Mercury / Mercruiser OMC Volvo Penta Fitment:Ford & GM V-8 Engines With Prestolite Conventional Ignition (Screw Hold-Down Cap) Brochure (pdf)- $31.13
$37.52- $31.13
- Unit price
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Vendor:Regitar U.S.A.
Regitar USA Fuel Pump Assembly f/Mercury Mercruiser Engines w/High-Pressure Pump [RFP007]
- $155.72
$215.15- $155.72
- Unit price
- / per
Fuel Pump Assembly for Mercury & Mercruiser Engines with High-Pressure PumpFuel Pump Assembly for Mercury and Mercruiser engines: Fits with MCM/MIE 4.3L/V6 and 5.0L/V8 Gen+ and some 350 ci carburetors.Engine Brand:MercruiserFitment: 1998 MERCURY MARINE Fuel Pump 4.3L 262 2000 MERCURY MARINE Fuel Pump 5.0L...- $155.72
$215.15- $155.72
- Unit price
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Vendor:STA-BIL
STA-BIL 360 Marine - 1 Gallon *Case of 4* [22250CASE]
- $376.57
$849.38- $376.57
- Unit price
- / per
360® Marine™ - 1 Gallon *Case of 4*CLEANS THE FUEL SYSTEM TO IMPROVE PERFORMANCESTA-BIL 360® MARINE™ use it with every fill up to help keep your engine running cleaner, leaner, smoother and stronger than ever.USAGE DIRECTIONS:1oz treats up to 10 gallons (38 liters) of...- $376.57
$849.38- $376.57
- Unit price
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Vendor:Attwood Marine
Attwood Chrysler/Suzuki Tank Fitting - 1/4" NPT Thread [14509-6]
- $9.90
$11.31- $9.90
- Unit price
- / per
Chrysler/Suzuki Tank Fitting - 1/4" NPT ThreadThis Attwood Fuel Tank Male Fitting is suitable for use with leaded, unleaded, ethanol-blended, and alcohol-blended fuels. This threaded fitting has a 1/4" male NPT thread. Also, use thread sealant on all threads, and clamps are not included.Features:...- $9.90
$11.31- $9.90
- Unit price
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Vendor:Balmar
Balmar Belt Buddy w/Universal Offset Adjustment Arm (UAA2) [UBB2]
- $137.31
$156.14- $137.31
- Unit price
- / per
Belt Buddy with Universal Offset Adjustment Arm (UAA2)Belt Buddy Kit; Includes the Universal Adjustment Arm (UAA2) with a 1/2" offset for mounting applications which require an offset to the alternator and Belt Buddy Mechanism (BB).To utilize only the adjustment mechanism with an existing adjustment...- $137.31
$156.14- $137.31
- Unit price
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Vendor:Attwood Marine
Attwood Suzuki 3/8" Barb Female Hose Fitting - Under 75HP [88FTS014-6]
- $19.81
$22.64- $19.81
- Unit price
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Suzuki 3/8" Barb Female Hose Fitting - Under 75HPQuick-connect female fitting for use on both ends of fuel lines to connect to tank fitting and engine. Fuel tank fittings and hose fittings are suitable for use with leaded, unleaded, ethanol-blended, and alcohol-blended fuels. The...- $19.81
$22.64- $19.81
- Unit price
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Vendor:Attwood Marine
Attwood Universal Sprayless Connector - Hose Female (5/16"-3/8") [8838HF6]
- $15.56
$19.04- $15.56
- Unit price
- / per
Universal Sprayless Connector - Hose Female (5/16"-3/8")This Attwood Universal Sprayless Connector reliably eliminates fuel spraying when you are connecting and disconnecting fuel hoses during fueling or maintenance. This connector replaces a traditional fitting and its high-strength body is engineered to withstand the rigors of...- $15.56
$19.04- $15.56
- Unit price
- / per
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Vendor:Attwood Marine
Attwood Yamaha Tank Fitting - 1/4" NPT Thread [8897-6]
- $12.73
$14.21- $12.73
- Unit price
- / per
Yamaha Tank Fitting - 1/4" NPT ThreadConnect your tank and fuel lines with confidence. Solid machined brass construction holds up to lead, unleaded, and alcohol-based fuels. Designed for Yamaha Brand engines and tanks and fits select Mercury/Mariner Brand engines.Features: Quick-connect 1/4-inch male thread makes...- $12.73
$14.21- $12.73
- Unit price
- / per
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Vendor:ARCO Marine
ARCO Marine Top Mount Inboard Starter w/Gear Reduction - Counter Clockwise Rotation [30462]
- $363.83
$495.42- $363.83
- Unit price
- / per
Top Mount Inboard Starter with Gear Reduction - Counter Clockwise RotationTop mount inboard starter that fits 6.0L GM Engines.ARCO advises using a fully charged battery - A weak battery can damage the starter and starter solenoid. And to also clean all connections - A...- $363.83
$495.42- $363.83
- Unit price
- / per
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Vendor:Attwood Marine
Attwood Universal Brass Fuel Hose Fitting - 1/4" NPT x 3/8" Barb [14540-6]
- $11.31
$0.00- $11.31
- Unit price
- / per
Universal Brass Fuel Hose Fitting - 1/4" NPT x 3/8" Barb This Attwood Fuel Tank Fitting is a dependable replacement for original equipment and provides a sure connection in a fuel line.Features: Fitting is suitable for use with leaded, unleaded, ethanol-blended, and alcohol-blended fuels Material...- $11.31
$0.00- $11.31
- Unit price
- / per
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Vendor:Trident Marine
Trident Marine 1-1/2" Extra-Flex Corrugated Marine Wet Exhaust Hose - Sold by the Foot [252F-1126-FT]
- $29.72
$31.47- $29.72
- Unit price
- / per
1-1/2" Extra-Flex Corrugated Marine Wet Exhaust Hose - Sold by the FootTrident Extra-Flex corrugated marine wet exhaust hose with EXTRA flexibility for easier installations on tight bends for longer connections. Thick tube and cover with wire helix between 2-ply reinforcement. Exceptional flexibility and bend...- $29.72
$31.47- $29.72
- Unit price
- / per
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Vendor:Balmar
Balmar Universal Adjustment Arm - Offset [UAA2]
- $80.68
$92.15- $80.68
- Unit price
- / per
Universal Adjustment Arm - OffsetUniversal Adjustment Arm for the Belt Buddy with a 1/2″ offset for certain mounting applications which require an offset. This part number is for the “Arm Only”, It does not come with the Belt Buddy Adjustment Mechanism.The Belt Buddy Mechanism...- $80.68
$92.15- $80.68
- Unit price
- / per
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Vendor:ARCO Marine
ARCO Marine Zeus A225S J-180 3.15" Alternator w/Terminal Block [4010]
- $1,086.99
$1,238.05- $1,086.99
- Unit price
- / per
Zeus A225S J-180 3.15" Alternator with Terminal BlockThe highest power output alternator in its size/class. Features: Engineered for High Energy Production. Suitable for Marine, RV, Military, and Commercial applications. Rapidly charges large battery banks. Coolest operating temperatures for increased performance. Runs 8 - 20% cooler...- $1,086.99
$1,238.05- $1,086.99
- Unit price
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![Regitar USA MAP Sensor f/Mercruiser Engines: MCM V-6 V-8 (305, 350 496 CID) MPI Engines w/ECM 555 [RMJ002]](http://www.dbmarinesupplies.com/cdn/shop/files/107538XL_533x.jpg?v=1742343251)
![Regitar USA Camshaft Position Sensor f/Volvo Penta Engines [RMX001]](http://www.dbmarinesupplies.com/cdn/shop/files/107652XL_533x.jpg?v=1742343708)
![Regitar USA Condenser f/GM 4 6-Cylinder Engine w/Delco Ignition [RMB001]](http://www.dbmarinesupplies.com/cdn/shop/files/107465XL_533x.jpg?v=1742342784)
![Regitar USA Distributor Cap f/Ford GM V8 Engines [RME002]](http://www.dbmarinesupplies.com/cdn/shop/files/107482XL_533x.jpg?v=1742342898)
![Regitar USA Fuel Pump Assembly f/Mercury Mercruiser Engines w/High-Pressure Pump [RFP007]](http://www.dbmarinesupplies.com/cdn/shop/files/107713XL_533x.jpg?v=1742343843)
![ARCO Marine Top Mount Inboard Starter w/Gear Reduction - Counter Clockwise Rotation [30462]](http://www.dbmarinesupplies.com/cdn/shop/files/97190XL_533x.jpg?v=1682828332)
![Trident Marine 1-1/2" Extra-Flex Corrugated Marine Wet Exhaust Hose - Sold by the Foot [252F-1126-FT]](http://www.dbmarinesupplies.com/cdn/shop/files/107180XL_533x.jpg?v=1737054026)