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:Trident Marine
Trident Marine 6" ID 90-Degree Blue Silicone Molded Wet Exhaust Elbow w/4 T-Bolt Clamps [290V6000-S/S]
- £149.72
£242.96- £149.72
- Unit price
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6" ID 90-Degree Blue Silicone Molded Wet Exhaust Elbow with 4 T-Bolt ClampsTrident silicone-blend rubber marine wet exhaust connections. They are molded in very high-temperature blue silicone EPDM blended rubber with a smooth bore and cover; except elbows of 6" I.D. or larger have...- £149.72
£242.96- £149.72
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Vendor:Trident Marine
Trident Marine 316 SS Non-Perforated Worm Gear Hose Clamp - 3/8" Band - 11/32"-25/32" Clamping Range - 10-Pack - SAE Size 6 [705-0381]
- £13.81
£21.20- £13.81
- Unit price
- / per
316 SS Non-Perforated Worm Gear Hose Clamp - 3/8" Band - 11/32"-25/32" Clamping Range - 10-Pack - SAE Size 6Premium Marine Grade, all AISI 316 (high tensile strength) Stainless Steel Compact “HD NON-PERF” Worm Gear Hose Clamp. The 9.7 mm (0.382”) wide band is...- £13.81
£21.20- £13.81
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Vendor:Trident Marine
Trident Marine 3/8" x 50 Boxed Low Permeation Type A1-15 Fuel Line Hose - Black [365-0386]
- £107.49
£166.72- £107.49
- Unit price
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3/8" x 50' Boxed Low Permeation Type A1-15 Fuel Line Hose - BlackTrident Barrier Lined A1-15 Fuel Hose for both gasoline (including ethanol blends up to 85%) and diesel (including bio diesel blends up to B100). This hose is built with the best fuel,...- £107.49
£166.72- £107.49
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Vendor:STA-BIL
STA-BIL In-Season Protection - 32oz *Case of 6* [22275CASE]
- £67.56
£89.79- £67.56
- Unit price
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In-Season Protection - 32oz *Case of 6*Features: America’s #1 Ethanol Treatment Use STA-BIL 360 Protection at every fill-up Keeps fuel fresh for up to 12 months STA-BIL In-Season Protection Fuel System Treatment cleans the fuel system to increase power and fuel efficiency Prevents corrosion...- £67.56
£89.79- £67.56
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Vendor:Attwood Marine
Attwood Suzuki 3/8" Barb Female Hose Fitting - Under 75HP [88FTS014-6]
- £10.74
£12.28- £10.74
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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...- £10.74
£12.28- £10.74
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Vendor:ARCO Marine
ARCO Marine Original Equipment Quality Replacement Tilt Trim Motor f/Yamaha 2007-2019 [6295]
- £371.61
£485.08- £371.61
- Unit price
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Original Equipment Quality Replacement Tilt Trim Motor for Yamaha 2007-2019Replacement outboard tilt trim motor that will fit Yamaha 2007-2019 300-350 HP 4-stroke.ARCO advises cleaning all connections: A corroded connection creates resistance, lowering the amperage required to operate the motor.Features: Tilt trim motors are dynamically...- £371.61
£485.08- £371.61
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Vendor:Camco
Camco D-I-Y Boat Winterizer Engine Flushing System [65501]
- £34.54
£53.74- £34.54
- Unit price
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D-I-Y Boat Winterizer Engine Flushing SystemQuickly and efficiently service inboard/outboard marine engines. The Do-It-Yourself Winterizer allows flushing and preparation of boat engine for winter storage with just five gallons of antifreeze and your flusher. Save time and money season after season. Great for technicians,...- £34.54
£53.74- £34.54
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Vendor:ARCO Marine
ARCO Marine Replacement Harness Kit for AZ1000X Alternator Regulator with Temp Sensors [WH1000X]
- £174.29
£193.49- £174.29
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Replacement Harness Kit for AZ1000X Alternator Regulator with Temp SensorsSpecifications:Specifically for AZ1000X Alternator Regulator with Temp Sensors- £174.29
£193.49- £174.29
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Vendor:Balmar
Balmar Signal Stabilizer f/Tachometer [15-TSS]
- £66.79
£76.24- £66.79
- Unit price
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Signal Stabilizer for TachometerFor use with AT-Series Alternators when the Tachometer does not provide 3-pole alternator output recognition.This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. Brochure (pdf)- £66.79
£76.24- £66.79
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Vendor:Balmar
Balmar Pulley Kit f/Yanmar 3JH5, 3JH4-E, 4JH4-E, 4JH5, 4JH5-E [48-YSP-3JH-A]
- £529.40
£0.00- £529.40
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Pulley Kit for Yanmar 3JH5, 3JH4-E, 4JH4-E, 4JH5, 4JH5-EAltMount® Serpentine Pulley Conversion Kit for Yanmar Diesel EnginesYanmar Engines Covered: 3JH5, 3JH4-E, 4JH4-E, 4JH5Kit Includes: Three Ten-Groove (J10) Pulleys, Two J10, 44.5″ Circumference Serpentine Belts (one spare) & Mounting HardwareNote: If you specify an AT-200A...- £529.40
£0.00- £529.40
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Vendor:Balmar
Balmar Alternator 170 AMP 12V 3.15" Dual Foot Saddle J10 Pulley [XT-CR-170-J10]
- £738.63
£878.37- £738.63
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Alternator 170 AMP 12V 3.15" Dual Foot Saddle J10 PulleyAlternator, XT Series, 170A, 12V, Saddle Mount (Dual Foot), 3.15in, J10 AltMount Serpentine Pulley, Case GroundHitachi-Style Mounting; Typical for Yanmar, Westerbeke, Lehman & Perkins-Sabre EnginesReplaces: AT-DF-165-12-IG, AT-DF-165-J10This product may not be returned to the original...- £738.63
£878.37- £738.63
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Vendor:Balmar
Balmar Alternator 250 AMP 12V 3.15" Dual Foot Saddle K6 Pulley [XT-DF-250-K6]
- £906.01
£1,078.00- £906.01
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Alternator 250 AMP 12V 3.15" Dual Foot Saddle K6 PulleyAlternator, XT Series, 250A, 12V, Saddle Mount (Dual Foot), 3.15in, K6 Serpentine Pulley, Case GroundHitachi-Style Mounting; Typical for Yanmar, Westerbeke, Lehman & Perkins-Sabre EnginesReplaces: AT-DF-200-12-IG, AT-DF-200-K6This product may not be returned to the original point...- £906.01
£1,078.00- £906.01
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Vendor:Balmar
Balmar Alternator 170 Amp, 12V Single Foot Internal Regulator K6 Pulley [XT-SF-170-IR]
- £575.86
£469.59- £575.86
- Unit price
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Alternator 170 Amp, 12V Single Foot Internal Regulator K6 PulleyAlternator, XT Series, 170A, 12V, Spindle Mount (Single Foot), 1-2in, K6 Serpentine Pulley, Case Ground1″ Motorola-Style Mounting; Typical for Westerbeke, Lehman, Hino & Pathfinder Engines2″ Delco-Style Mounting; Typical for Volvo Penta (Gas & Diesel), John...- £575.86
£469.59- £575.86
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Vendor:ARCO Marine
ARCO Marine Evinrude Outboard Relay - E-TEC [R767]
- £101.34
£126.70- £101.34
- Unit price
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Evinrude Outboard Relay - E-TECEvinrude outboard relay that will fit Evinrude E-TEC. O/B Tilt /Trim Relay.Replaces:2011-2012 - E-TEC 25, 30, 40, 50, 60, 75, 90, 115, 130, 150, 175, 200, 225, 250, 3002008-2010 - E-TEC 30, 40, 50, 60, 75, 90, 115, 130, 150,...- £101.34
£126.70- £101.34
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Vendor:ARCO Marine
ARCO Marine Replacement Outboard Starter f/Mercury Honda Engines 2002-2019 - 175-250 HP [3455]
- £182.73
£259.60- £182.73
- Unit price
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Replacement Outboard Starter for Mercury & Honda Engines 2002-2019 - 175-250 HPReplacement outboard starter that will fit Mercury and Honda Engines 2002-2019, a 12-volt starter for 175 HP through 250 HP outboards.ARCO advises using a fully charged battery - A weak battery can damage...- £182.73
£259.60- £182.73
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Vendor:Trident Marine
Trident Marine 2" x 50' Ocean-Flex Multipurpose Hose [321-2006]
- £844.59
£1,369.71- £844.59
- Unit price
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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,...- £844.59
£1,369.71- £844.59
- Unit price
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Vendor:ARCO Marine
ARCO Marine Bolt Kit f/Gear Reduction Starters [MBK450]
- £17.65
£21.34- £17.65
- Unit price
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Bolt Kit for Gear Reduction StartersBolt kit that will fit 30470 starters. Includes 2 long mounting bolts, 3/8”-16 N.C. threads. This kit will also fit all Delco gear reduction starters with staggered bolt mounting patterns. *Will NOT FIT metric engines or 10MT starters.Replaces:SIERRA 18-5913*ARCO Assurance...- £17.65
£21.34- £17.65
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Vendor:ARCO Marine
ARCO Marine Premium Replacement Universal Alternator w/Single Groove Pulley - 12V 55A [60075]
- £176.59
£229.38- £176.59
- Unit price
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Premium Replacement Universal Alternator with Single Groove Pulley - 12V 55AReplacement alternator that will fit Yamaha, Marine Power, Crusader, Replaces Motorola, 12 Volt, 55 Amp, Internal regulator Includes: Tachometer terminal, indicator light terminal, remote battery sensing terminal, excite terminal, 1-inch mounting foot with 3-ear...- £176.59
£229.38- £176.59
- Unit price
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Vendor:ARCO Marine
ARCO Marine Premium Replacement Ignition Coil f/Mercruiser Inboard Engines [IG013]
- £29.17
£40.94- £29.17
- Unit price
- / per
Premium Replacement Ignition Coil for Mercruiser Inboard EnginesThis ignition coil fits MCM 4 Cyl., V-6, and V-8 Engines With Conventional Ignition. Included in some Outboard Applications Replaces: MERCRUISER Ignition Coil 26433 MERCRUISER Ignition Coil 32193 MERCRUISER Ignition Coil 32193A2 MERCRUISER Ignition Coil 33205 MERCRUISER Ignition...- £29.17
£40.94- £29.17
- Unit price
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Vendor:Attwood Marine
Attwood Universal Fuel Line Kit - 3/8" Diameter x 12 Length [93812ULP7]
- £42.22
£50.67- £42.22
- Unit price
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Universal Fuel Line Kit - 3/8" Diameter x 12' LengthThis EPA-certified Attwood Universal Fuel Line Kit reliably delivers fuel to your engine and provides the ultimate in performance, safety, and value. The kit includes a 12-foot-long, 3/8-inch diameter low-permeation fuel line that is designed...- £42.22
£50.67- £42.22
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![Trident Marine 6" ID 90-Degree Blue Silicone Molded Wet Exhaust Elbow w/4 T-Bolt Clamps [290V6000-S/S]](http://www.dbmarinesupplies.com/cdn/shop/files/99753XL_533x.jpg?v=1686892447)
![ARCO Marine Evinrude Outboard Relay - E-TEC [R767]](http://www.dbmarinesupplies.com/cdn/shop/files/97231XL_533x.jpg?v=1682828972)
![ARCO Marine Premium Replacement Universal Alternator w/Single Groove Pulley - 12V 55A [60075]](http://www.dbmarinesupplies.com/cdn/shop/files/97208XL_533x.jpg?v=1682828612)