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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- Date, old to new
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Vendor:Balmar
Balmar Universal Adjustment Arm [UAA]
- $37.99
$43.09- $37.99
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Universal Adjustment ArmFeatures: This part number is for the “Arm Only”, It does not come with the Belt Buddy Adjustment Mechanism The Belt Buddy Mechanism which goes with the UAA is part number BB, grouped together the set is part number UBB The Belt...- $37.99
$43.09- $37.99
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Vendor:Balmar
Balmar Belt Buddy w/Universal Adjustment Arm [UBB]
- $77.99
$88.19- $77.99
- Unit price
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Belt Buddy w/Universal Adjustment ArmTo utilize only the adjustment mechanism with an existing adjustment arm, purchase part number BBU.Caution: This approach sacrifices some “travel” in the existing adjustment arm so the BBU mechanism can be anchored to the arm. Make certain your alternator mounting...- $77.99
$88.19- $77.99
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Vendor:Balmar
Balmar Belt Buddy w/o Adjustment Arm [BBU]
- $54.99
$61.79- $54.99
- Unit price
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Belt Buddy w/o Adjustment ArmUniversal Belt Buddy Mechanism; for use with exising adjustment armsDoes not come with the Balmar Universal Adjustment Arm (UAA).Caution: This approach sacrifices some “travel” in the existing adjustment arm so the BBU mechanism can be anchored to the arm. Make...- $54.99
$61.79- $54.99
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Vendor:Balmar
Balmar Alternator 120 Amp 12V 3.15" Dual foot Saddle Single K6 Pulley w/Isolated Grounding [60-120-K6]
- $759.99
$904.69- $759.99
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Alternator 120 Amp 12V 3.15" Dual foot Saddle Single K6 Pulley with Isolated GroundingAlternator, 60 Series, 120A, 12V, Saddle Mount (Dual Foot), 3.15in, K6 Serpentine Pulley, Isolated Ground Hitachi-Style Mounting; Typical for Yanmar, Westerbeke, Lehman & Perkins-Sabre Engines.This product may not be returned to...- $759.99
$904.69- $759.99
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Vendor:ARCO Marine
ARCO Marine Premium Replacement Rotor f/Mercruiser Inboard Engines 2001-Present [DR002]
- $13.99
$19.68- $13.99
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Premium Replacement Rotor for Mercruiser Inboard Engines 2001-PresentThis rotor fits PCM Models MP 5.0L, 5.7L (2002-05), Mercruiser 2001 and Newer, MCM/MIE 4.3L, 5.0L, 5.7L & 6.2L MPI Engines With ECM 555 Delco HVS DistributorsReplaces: MERCRUISER Rotor 884790 MERCRUISER Rotor 898253013 MERCRUISER Rotor 8M6001222 VOLVO...- $13.99
$19.68- $13.99
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Vendor:ARCO Marine
ARCO Marine Premium Replacement Ignition Coil f/Johnson/Evinrude Outboard Engines 1972-2006 [IG003]
- $32.99
$38.76- $32.99
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Premium Replacement Ignition Coil for Johnson/Evinrude Outboard Engines 1972-2006This ignition coil fits 1972-2006, Universal Replacement Kit, Carbureted 2 Stroke Engines, 1 per Cyl.Replaces: Johnson / Evinrude Ignition Coil 584561 Johnson / Evinrude Ignition Coil 582106 Johnson / Evinrude Ignition Coil 583737 Johnson / Evinrude...- $32.99
$38.76- $32.99
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Vendor:ARCO Marine
ARCO Marine Johnson/Evinrude Outboard Starter - V6 - 8 Tooth [5373]
- $174.99
$226.77- $174.99
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Johnson/Evinrude Outboard Starter - V6 - 8 ToothThe outboard starter will fit BRP-OMC, 150-235 HP V6, and 8-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 -...- $174.99
$226.77- $174.99
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Vendor:ARCO Marine
ARCO Marine Premium Replacement Alternator w/Multi-Groove Serpentine Pulley - 12V 65A [60060]
- $243.99
$315.45- $243.99
- Unit price
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Premium Replacement Alternator with Multi-Groove Serpentine Pulley - 12V & 65AReplacement alternator that will fit late model Mercruiser, 12 Volt, 65 Amp, Internal Regulator 2-inch mounting foot, Multi-groove serpentine pulley included. Features: All alternators are engineered for performance and reliability All alternators are engineered and...- $243.99
$315.45- $243.99
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Vendor:STA-BIL
STA-BIL 360 Marine - 32oz *Case of 6* [22240CASE]
- $113.99
$203.94- $113.99
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360® Marine™ - 32oz *Case of 6*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 fuel....- $113.99
$203.94- $113.99
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Vendor:STA-BIL
STA-BIL 360 Marine - 10oz *Case of 12* [22241CASE]
- $96.99
$227.88- $96.99
- Unit price
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360® Marine™ - 10oz *Case of 12*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 fuel....- $96.99
$227.88- $96.99
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Vendor:ARCO Marine
ARCO Marine IG024 Ignition Coil f/Yamaha Outboard Engines [IG024]
- $54.99
$78.43- $54.99
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IG024 Ignition Coil for Yamaha Outboard EnginesThis ARCO ignition coil is designed for specific Yamaha outboard engines.Fits: 115/130 (1994-09), 130 (1994-04), 175 (1994-00), 200 (1994-98), 225 (1994-97) C150/S115/S130/S150/S175/S200(1996-99) V150/L150/L200/P200 (1994-99); P115 (94-96), P175 (94-98), B115 (98-99), C115 (97-00), D150 (97-99), L130 (1994-01), V150 (2000-08)...- $54.99
$78.43- $54.99
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Vendor:ARCO Marine
ARCO Marine Premium Replacement Alternator w/65mm Multi-Groove Pulley - 12V 70A [20800]
- $205.99
$269.93- $205.99
- Unit price
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Premium Replacement Alternator with 65mm Multi-Groove Pulley - 12V 70AReplacement alternator that will fit Mercruiser 4.3L - 8.2L, 1998-Up, 12 Volt, 70 AMP, Internal Fan, 65-mm multi-groove serpentine pulley included.Features: All alternators are engineered for performance and reliability All alternators are engineered and manufactured...- $205.99
$269.93- $205.99
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Vendor:ARCO Marine
ARCO Marine Standard Duty Inboard Starter w/Gear Reduction [30433]
- $206.99
$275.24- $206.99
- Unit price
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Standard Duty Inboard Starter with Gear ReductionThe inboard starter that will fit Mercruiser, Volvo Penta, OMC, Marine Power, and others. All GM engines with 14" flywheel using a staggered bolt pattern. Recommended for late model 3.0 Liter with 14" flywheel using a tail bracket....- $206.99
$275.24- $206.99
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Vendor:Whitecap
Whitecap Pro Dual Feed Motor Flusher w/Rectangular Cups [P-2402]
- $22.99
$32.99- $22.99
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Pro Dual Feed Motor Flusher with Rectangular CupsFeatures: Dual Feed Motor Flusher Rectangular Cups Included- $22.99
$32.99- $22.99
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Vendor:Flushmaster
Flushmaster Flush Port Quick Connect f/Mercury - White [SM-FMQCMW]
- $71.99
$89.99- $71.99
- Unit price
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Flush Port Quick Connect for Mercury - WhiteThe Flush Port Quick Connect for Mercury Outboards eliminates the frustration of stuck caps, stripped threads, and tedious hose connections, delivering fast, easy, and reliable flushing with enhanced visual protection for your engine.Features: No More Stuck Caps...- $71.99
$89.99- $71.99
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Vendor:Trident Marine
Trident Marine 3-1/2" ID 45-Degree EPDM Black Rubber Molded Wet Exhaust Elbow w/4 T-Bolt Clamps [TRL-3545-S/S]
- $86.99
$134.48- $86.99
- Unit price
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3-1/2" ID 45-Degree EPDM Black Rubber Molded Wet Exhaust Elbow with 4 T-Bolt ClampsTrident EPDM marine wet exhaust connections are molded of high-temperature black EPDM rubber with a smooth bore and cover; except elbows of 6” I.D. or bigger have molded reinforcing ribs on...- $86.99
$134.48- $86.99
- Unit price
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Vendor:Balmar
Balmar Kit 621 Series 100A Single FT Alt MC Reg T Sensor [621-VUP-MC-100-SV]
- $944.99
$1,124.89- $944.99
- Unit price
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Kit 621 Series 100A Single FT Alt MC Reg T SensorKit Includes: 621-100-SV Alternator, MC-618 Regulator, Temperature Sensors, Mounting Hardware621-100-SV Alternator: 100A, 12V, Spindle Mount (Single Foot), 1-2in, Single Deep Vee Pulley, Isolated Ground1" Motorola-Style Mounting; Typical for Westerbeke, Lehman, Hino & Pathfinder Engines2" Delco-Style...- $944.99
$1,124.89- $944.99
- Unit price
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Vendor:Trident Marine
Trident Marine 2-1/2" ID 45 Blue Silicone Molded Wet Exhaust Elbow w/4 T-Bolt Clamps [242V2120-S/S]
- $77.99
$121.15- $77.99
- Unit price
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2-1/2" ID 45° Blue Silicone Molded Wet Exhaust Elbow with 4 T-Bolt ClampsSilicone & 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...- $77.99
$121.15- $77.99
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Vendor:Trident Marine
Trident Marine 316 SS T-Bolt Clamp - 3/4" Band - 1.28"-1.59" Range [720-1000]
- $9.99
$15.46- $9.99
- Unit price
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316 SS T-Bolt Clamp - 3/4" Band - 1.28"-1.59" RangeVery strong and secure clamp for critical installations. Trident Marine T-Bolt Clamps are built with safety in mind. With a 3/4" (19 mm) wide band, this clamp ensures a greater area of coverage for a...- $9.99
$15.46- $9.99
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Vendor:Trident Marine
Trident Marine 3" ID 45-Degree EPDM Black Rubber Molded Wet Exhaust Elbow w/4 T-Bolt Clamps [TRL-345-S/S]
- $77.99
$120.51- $77.99
- Unit price
- / per
3" ID 45-Degree EPDM Black Rubber Molded Wet Exhaust Elbow with 4 T-Bolt ClampsTrident EPDM marine wet exhaust connections are molded of high-temperature black EPDM rubber with a smooth bore and cover; except elbows of 6” I.D. or bigger have molded reinforcing ribs on...- $77.99
$120.51- $77.99
- Unit price
- / per


![ARCO Marine Johnson/Evinrude Outboard Starter - V6 - 8 Tooth [5373]](http://www.dbmarinesupplies.com/cdn/shop/files/97200XL_533x.jpg?v=1682828491)
![ARCO Marine Premium Replacement Alternator w/Multi-Groove Serpentine Pulley - 12V 65A [60060]](http://www.dbmarinesupplies.com/cdn/shop/files/98987XL_533x.jpg?v=1682839511)
![ARCO Marine Premium Replacement Alternator w/65mm Multi-Groove Pulley - 12V 70A [20800]](http://www.dbmarinesupplies.com/cdn/shop/files/97206XL_533x.jpg?v=1682828581)
![ARCO Marine Standard Duty Inboard Starter w/Gear Reduction [30433]](http://www.dbmarinesupplies.com/cdn/shop/files/97181XL_533x.jpg?v=1682828195)
![Flushmaster Flush Port Quick Connect f/Mercury - White [SM-FMQCMW]](http://www.dbmarinesupplies.com/cdn/shop/files/111266XL_533x.jpg?v=1760039391)
![Trident Marine 3-1/2" ID 45-Degree EPDM Black Rubber Molded Wet Exhaust Elbow w/4 T-Bolt Clamps [TRL-3545-S/S]](http://www.dbmarinesupplies.com/cdn/shop/files/100827XL_533x.jpg?v=1695411942)
![Trident Marine 3" ID 45-Degree EPDM Black Rubber Molded Wet Exhaust Elbow w/4 T-Bolt Clamps [TRL-345-S/S]](http://www.dbmarinesupplies.com/cdn/shop/files/100825XL_533x.jpg?v=1695411934)