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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Sort by:
- Featured
- Most relevant
- Best selling
- Alphabetically, A-Z
- Alphabetically, Z-A
- Price, low to high
- Price, high to low
- Date, old to new
- Date, new to old
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Vendor:ARCO Marine
ARCO Marine Top Mount Inboard Starter w/Gear Reduction - Counter Clockwise Rotation [30462]
- $256.99
$349.94- $256.99
- 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...- $256.99
$349.94- $256.99
- Unit price
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Vendor:Attwood Marine
Attwood Universal Brass Fuel Hose Fitting - 1/4" NPT x 3/8" Barb [14540-6]
- $7.99
$0.00- $7.99
- 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...- $7.99
$0.00- $7.99
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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]
- $20.99
$22.23- $20.99
- 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...- $20.99
$22.23- $20.99
- Unit price
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Vendor:Balmar
Balmar Universal Adjustment Arm - Offset [UAA2]
- $56.99
$65.09- $56.99
- Unit price
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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...- $56.99
$65.09- $56.99
- Unit price
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Vendor:ARCO Marine
ARCO Marine Zeus A225S J-180 3.15" Alternator w/Terminal Block [4010]
- $767.80
$874.50- $767.80
- 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...- $767.80
$874.50- $767.80
- Unit price
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Vendor:Attwood Marine
Attwood Fuel Tank Strap Set - 72" Long f/12 Gallon Tanks [11512-3]
- $12.99
$14.99- $12.99
- Unit price
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Fuel Tank Strap Set - 72 (inches) Long for 12 Gallon TanksThis Attwood Fuel Tank Strap Set contains everything needed to secure a 12-gallon fuel tank in place. This kit includes a 72-inch-long, 1-inch-wide white nylon web strap with a zinc-plated carbon steel snap...- $12.99
$14.99- $12.99
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Vendor:BoatBuckle
BoatBuckle Gas Tank Battery Box Kwik Lok Strap 1" x 4' [F05343]
- $13.76
$0.00- $13.76
- Unit price
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BoatBuckle Kwik-Lok Gas Tank/Battery Box Strap 1" x 4'The Battery Box Tie-Down features a nylon buckle,while the Gas Tank Tiedown features a zinc coated steel buckle.Both made of durable 1.5" polypropylene webbing and are packed with two polypropylene footmen loops and four stainless steel...- $13.76
$0.00- $13.76
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Vendor:ARCO Marine
ARCO Marine Replacement Alternator f/Mercury Engines - 75-115 HP [20852]
- $264.99
$383.36- $264.99
- Unit price
- / per
Replacement Alternator for Mercury Engines - 75-115 HPReplacement alternator that will fit Mercury Outboard Engines 75 HP - 115 HP, 12 Volt, 50 AMP, internal fan, 4 grooves, pulley included. Features: All alternators are engineered for performance and reliability. All alternators are engineered and manufactured...- $264.99
$383.36- $264.99
- Unit price
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Vendor:Trident Marine
Trident Marine ID 45 Degree Blue Silicone Molded Wet Exhaust Elbow w/4 T-Bolt Clamps [240V10000-S/S]
- $581.99
$944.19- $581.99
- Unit price
- / per
ID 45 Degree Blue Silicone Molded Wet Exhaust Elbow with 4 T-Bolt ClampsSilicone and Rubber Elbows and Hump Hose Bellows provide the ultimate flexible connectors for Marine Wet Exhaust Systems. They offer much greater tolerance to heat, misalignment, engine movement, and vibration, with significant...- $581.99
$944.19- $581.99
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Vendor:Flushmaster
Flushmaster Portable Storage Bag [SM-FMBAG1]
- $19.99
$0.00- $19.99
- Unit price
- / per
Portable Storage BagKeep your Flushmaster and hose kit safe and ready for action with the Portable Storage Bag. Whether on the go or trailering your boat, this reliable bag ensures your equipment stays secure and accessible. Order yours today for easy, worry-free adventures!Portable Storage...- $19.99
$0.00- $19.99
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Vendor:ARCO Marine
ARCO Marine Zeus A275L Transit Alternator w/Terminal Block [4032]
- $986.70
$1,124.20- $986.70
- Unit price
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Zeus A275L Transit Alternator with Terminal BlockHigh Output / High Amperage Alternator: The Highest Power Output in Its Class.Features: Replace your noisy generator! Engineered for high energy production. Suitable for marine, RV, military, and commercial applications. Rapidly charges large battery banks. Coolest operating temperatures...- $986.70
$1,124.20- $986.70
- Unit price
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Vendor:ARCO Marine
ARCO Marine Chrysler/Force Outboard Starter [5393]
- $179.99
$226.03- $179.99
- Unit price
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Chrysler/Force Outboard StarterThe outboard starter will fit Chrysler /Force, 70-150 HP, and 9-tooth drive gear. ARCO advises using a fully charged battery - A weak battery can damage the starter and starter solenoid. And to also clean all connections - A corroded connection creates resistance,...- $179.99
$226.03- $179.99
- Unit price
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Vendor:Balmar
Balmar Pulley Kit f/Perkins 4170, 4108 (K6) [48-PSP-410-A]
- $855.99
$0.00- $855.99
- Unit price
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Pulley Kit for Perkins 4170, 4108 (K6)AltMount®Serpentine Pulley Conversion Kit for Perkins/Sabre EnginesPerkins/Sabre Engines Covered: 4107, 4108Kit Includes: Three Six-Groove (K6) Pulleys, Two K6, 40″ Circumference Serpentine Belts (one spare) & Mounting HardwareNote: If you specify an AT-200A Alternator, a longer belt length may...- $855.99
$0.00- $855.99
- Unit price
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Vendor:STA-BIL
STA-BIL 360 Marine - 1 Gallon [22250]
- $74.99
$163.49- $74.99
- Unit price
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360® Marine™ - 1 GallonCLEANS 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 fuel. Product does...- $74.99
$163.49- $74.99
- Unit price
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Vendor:Regitar U.S.A.
Regitar USA Rotor f/Mercruiser Inboard Engines: GM Style "Module in Cap" Distributors 4.3L V-6 Engines w/Delco HEI Ignition [RMN004]
- $6.99
$8.99- $6.99
- Unit price
- / per
Rotor for Mercruiser Inboard Engines: GM Style "Module in Cap" Distributors 4.3L V-6 Engines with Delco HEI IgnitionRotor for Mercruiser Inboard Engines: GM Style "Module in Cap" Distributors 4.3L V-6 Engines with Delco HEI Ignition.Engine Brand: Mercury / Mercruiser OMC Fitment:New GM Style "Module...- $6.99
$8.99- $6.99
- Unit price
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Vendor:Regitar U.S.A.
Regitar USA Tune-Up Kit f/Mercruiser Delco HVS V-6 Distributors [RMR010]
- $29.99
$53.99- $29.99
- Unit price
- / per
Tune-Up Kit for Mercruiser Delco HVS V-6 DistributorsTune-Up Kit for Mercruiser Delco HVS V-6 Distributors. Brochure (pdf)- $29.99
$53.99- $29.99
- Unit price
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Vendor:Regitar U.S.A.
Regitar USA Relay w/Shroud f/Mercruiser 575 Sci, 350MAG, 4.3L, 6.2L, 5.0L, 383MAG [RMZ014]
- $17.99
$27.99- $17.99
- Unit price
- / per
Relay with Shroud for Mercruiser 575 Sci, 350MAG, 4.3L, 6.2L, 5.0L, 383MAGRelay with Shroud for Mercruiser 575 Sci, 350MAG, 4.3L, 6.2L, 5.0L, 383MAG.Engine Brand:MercuryFitment:Mercruiser 575 Sci, 350MAG, 4.3L, 6.2L, 5.0L, 383MAG Specifications: Type: Parts Box Dimensions: 2"H x 2"W x 3"L WT: 0.11 lbs...- $17.99
$27.99- $17.99
- Unit price
- / per
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Vendor:Regitar U.S.A.
Regitar USA Distributor Cap f/Mercruiser Late Model V-6 [RME010]
- $49.99
$70.00- $49.99
- Unit price
- / per
Distributor Cap for Mercruiser Late Model V6Distributor Cap for Mercruiser Late Model V6 (4.3L Alpha/Bravo).Engine Brand: Mercury / Mercruiser Volvo Penta Fitment:Mercruiser Late Model V-6 (4.3L Alpha/Bravo) Brochure (pdf)- $49.99
$70.00- $49.99
- Unit price
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Vendor:Regitar U.S.A.
Regitar USA Marine Fuel Pump Assembly f/Volvo Penta: Fits Most All Carburated 4.3, 5.0, 5.7 Engines From 1992-2006 [RFP006]
- $109.99
$151.97- $109.99
- Unit price
- / per
Marine Fuel Pump Assembly for Volvo Penta: Fits Most All Carburated 4.3, 5.0, & 5.7 Engines From 1992-2006Fuel Pump Assembly for Volvo Penta: Fits most all carburated 4.3, 5.0, and 5.7 engines from 1992-2006.Engine Brand: Volvo Penta Evinrude Fitment: Fits most all carburated 4.3,...- $109.99
$151.97- $109.99
- Unit price
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Vendor:Regitar U.S.A.
Regitar USA Relay w/Tab f/Most Engines: 30AMP, 5 Terminal, Single Pole/Double Throw [RMZ013]
- $11.99
$16.99- $11.99
- Unit price
- / per
Relay with Tab for Most Engines: 30AMP, 5 Terminal, Single Pole/Double ThrowRelay with tab for most Engines: 30AMP, 5 terminal, Single pole / Double throw.Engine Brand:MercuryFitment: Power Trim Relay with mounting tab Fits most 2 Stroke & 4 Stroke (non-Verado) Mercury engines Specifications: Type:...- $11.99
$16.99- $11.99
- Unit price
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![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)
![Trident Marine ID 45 Degree Blue Silicone Molded Wet Exhaust Elbow w/4 T-Bolt Clamps [240V10000-S/S]](http://www.dbmarinesupplies.com/cdn/shop/files/107954XL_533x.jpg?v=1741919732)
![Flushmaster Portable Storage Bag [SM-FMBAG1]](http://www.dbmarinesupplies.com/cdn/shop/files/108598XL_533x.jpg?v=1745892118)
![ARCO Marine Zeus A275L Transit Alternator w/Terminal Block [4032]](http://www.dbmarinesupplies.com/cdn/shop/files/108403XL_533x.jpg?v=1744330787)
![ARCO Marine Chrysler/Force Outboard Starter [5393]](http://www.dbmarinesupplies.com/cdn/shop/files/97192XL_533x.jpg?v=1682828363)
![Regitar USA Rotor f/Mercruiser Inboard Engines: GM Style "Module in Cap" Distributors 4.3L V-6 Engines w/Delco HEI Ignition [RMN004]](http://www.dbmarinesupplies.com/cdn/shop/files/107564XL_533x.jpg?v=1742343356)
![Regitar USA Relay w/Shroud f/Mercruiser 575 Sci, 350MAG, 4.3L, 6.2L, 5.0L, 383MAG [RMZ014]](http://www.dbmarinesupplies.com/cdn/shop/files/107658XL_533x.jpg?v=1742343773)
![Regitar USA Distributor Cap f/Mercruiser Late Model V-6 [RME010]](http://www.dbmarinesupplies.com/cdn/shop/files/107492XL_533x.jpg?v=1742342961)
![Regitar USA Marine Fuel Pump Assembly f/Volvo Penta: Fits Most All Carburated 4.3, 5.0, 5.7 Engines From 1992-2006 [RFP006]](http://www.dbmarinesupplies.com/cdn/shop/files/107712XL_533x.jpg?v=1742343833)
![Regitar USA Relay w/Tab f/Most Engines: 30AMP, 5 Terminal, Single Pole/Double Throw [RMZ013]](http://www.dbmarinesupplies.com/cdn/shop/files/107657XL_533x.jpg?v=1742343762)