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.
- 10
- 15
- 20
- 25
- 30
- 50
- 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
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
-
Vendor:ARCO Marine
ARCO Marine Mercury Outboard Starter - 9 Tooth [5360]
- £166.64
£210.42- £166.64
- Unit price
- / per
Mercury Outboard Starter - 9 ToothThe outboard starter will fit Mercury/Mariner 40 HP, 50 HP, 60 HP 4-cyl, 4 Stroke, 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...- £166.64
£210.42- £166.64
- Unit price
- / per
-
Vendor:ARCO Marine
ARCO Marine Johnson/Evinrude Outboard Starter - Late Model [5363]
- £111.58
£139.37- £111.58
- Unit price
- / per
Johnson/Evinrude Outboard Starter - Late ModelThe outboard starter that will fit BRP-OMC 1991-Up, 150-175 HP V6 Eagle-Series, 1997-Up V4, and V6 2003 75/90/115 HP, 2003-UP 90/105/115 60o Engine, 2004-UP 100-175 HP Direct Injection.ARCO advises using a fully charged battery - A weak battery can...- £111.58
£139.37- £111.58
- Unit price
- / per
-
Vendor:ARCO Marine
ARCO Marine Mercury/Mariner Outboard Starter - 10 Tooth [5375]
- £155.48
£202.55- £155.48
- Unit price
- / per
Mercury/Mariner Outboard Starter - 10 ToothThe outboard starter will fit Mercury /Mariner, 50-90 HP/65 HP Jet, and 10-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 -...- £155.48
£202.55- £155.48
- Unit price
- / per
-
Vendor:ARCO Marine
ARCO Marine Inboard Starter w/12-3/4" Flywheel Gear Reduction [30460]
- £175.56
£229.02- £175.56
- Unit price
- / per
Inboard Starter with 12-3/4" Flywheel & Gear ReductionThe inboard starter that will fit Mercruiser, Volvo Penta, OMC, Yamaha, and others. 12-3/4" flywheel. Clockwise Rotation. Will replace all CW rotating 10MT starters with one long and one short bolt straight across the pattern. Includes mounting...- £175.56
£229.02- £175.56
- Unit price
- / per
-
Vendor:Balmar
Balmar Alternator 100 AMP Kit 12V 3.15" Dual Foot Saddle J10 Pulley Regulator Temp Sensor [60-YP-MC-100-J10]
- £703.02
£836.86- £703.02
- Unit price
- / per
Alternator 100 AMP Kit 12V 3.15" Dual Foot Saddle J10 Pulley Regulator & Temp SensorKit Includes: a 60-100-J10 Alternator, MC-618 Regulator, Temperature Sensors, Mounting Hardware60-100-J10 Alternator: 100A, 12V, Saddle Mount (Dual Foot), 3.15in, J10 AltMount Serpentine Pulley, Isolated GroundHitachi-Style Mounting; Typical for Yanmar, Westerbeke,...- £703.02
£836.86- £703.02
- Unit price
- / per
-
Vendor:Balmar
Balmar Alternator 3.15" Dual Foot Saddle K6 Serpentine Pulley - 170A - 12V [XT-DF-170-K6]
- £715.67
£851.06- £715.67
- Unit price
- / per
Alternator 3.15" Dual Foot Saddle K6 Serpentine Pulley - 170A - 12VBalmar offers a wide range of alternator power upgrades designed specifically for marine industry applications. Balmar installs high reliability bearings, robust rectifier diodes and improved heat-sinking capabilities on all our alternators to ensure...- £715.67
£851.06- £715.67
- Unit price
- / per
-
Vendor:Balmar
Balmar Digital Duo Charge - 12/24V [DDC-12/24]
- £177.80
£211.50- £177.80
- Unit price
- / per
Digital Duo Charge - 12/24VThe Digital Duo Charge (DDC-12/24) provides a “hands off” solution for charging two battery banks without the use of problematic isolators or manual battery switches. During charging the DDC-12/24 monitors voltage at the house battery. When voltage exceeds the set...- £177.80
£211.50- £177.80
- Unit price
- / per
-
Vendor:Balmar
Balmar ARS Multi-Stage Regulator w/Harness - 12V [ARS-5-H]
- £202.35
£240.88- £202.35
- Unit price
- / per
ARS Multi-Stage Regulator w/Harness - 12VHigh output alternators are an important part of your system for battery care, but they are definitely not the only part. Without proper voltage regulation, battery charging can be a slow process, or even worse, an ideal recipe for...- £202.35
£240.88- £202.35
- Unit price
- / per
-
Vendor:ARCO Marine
ARCO Marine 1000A/50mV Shunt [ST1000]
- £57.25
£65.43- £57.25
- Unit price
- / per
1000A/50mV ShuntShunt 1000 Amp 50 mV - 1000A/50mV- £57.25
£65.43- £57.25
- Unit price
- / per
-
Vendor:ARCO Marine
ARCO Marine Zeus A8000-48V 8kW N62 Alternator w/Clutch Pulley [4604]
- £1,472.19
£1,717.69- £1,472.19
- Unit price
- / per
Zeus A8000-48V 8kW N62 Alternator with Clutch PulleyThe ARCO Zeus A8000-48V alternator turns on at lower RPMs, runs cooler, and provides more power than other 48V alternators that are larger and heavier. This alternator continuously generates over 3kW (55 Amps)at 2,500 RPM and almost...- £1,472.19
£1,717.69- £1,472.19
- Unit price
- / per
-
Vendor:ARCO Marine
ARCO Marine Zeus 24V 7kW 3.15 Alternator w/Isolated Ground (Common Rail) [4502]
- £1,062.20
£1,226.69- £1,062.20
- Unit price
- / per
Zeus 24V 7kW 3.15 Alternator with Isolated Ground (Common Rail)The ARCO Zeus 24v 7kW alternator generates extremely high amperage at cruising and higher RPMs. This alternator continuously generates over 3kW (109 Amps) at just under 3,000 alternator RPM and almost 6kW (218 Amps) at...- £1,062.20
£1,226.69- £1,062.20
- Unit price
- / per
-
Vendor:ARCO Marine
ARCO Marine Zeus 24V 4kW Low Turn On (LTO) J180 4" Alternator w/Isolated Ground [4403]
- £1,062.20
£1,226.69- £1,062.20
- Unit price
- / per
Zeus 24V 4kW Low Turn On (LTO) J180 4" Alternator with Isolated GroundThe ARCO Zeus 24v 4kW LTO alternator turns on at lower RPMs, runs cooler, and provides more power than older designs that are larger and heavier. This alternator continuously generates over 1.4kW...- £1,062.20
£1,226.69- £1,062.20
- Unit price
- / per
-
Vendor:ARCO Marine
ARCO Marine Zeus A225S Vortec Alternator w/Regulator [4018]
- £653.03
£743.87- £653.03
- Unit price
- / per
Zeus A225S Vortec Alternator with RegulatorThe 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 than incumbent...- £653.03
£743.87- £653.03
- Unit price
- / per
-
Vendor:ARCO Marine
ARCO Marine Zeus A275L Vortec Alternator w/Regulator [4034]
- £815.88
£929.63- £815.88
- Unit price
- / per
Zeus A275L Vortec Alternator with RegulatorThe 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 than incumbent...- £815.88
£929.63- £815.88
- Unit price
- / per
-
Vendor:ARCO Marine
ARCO Marine Zeus A275L Vortec Alternator w/Terminal Block [4033]
- £734.05
£836.34- £734.05
- Unit price
- / per
Zeus A275L Vortec 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 than...- £734.05
£836.34- £734.05
- Unit price
- / per
-
Vendor:ARCO Marine
ARCO Marine Zeus A275L 1"-2" Single Foot Alternator w/Regulator [4029]
- £815.88
£929.63- £815.88
- Unit price
- / per
Zeus A275L 1"-2" Single Foot Alternator with RegulatorThe 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...- £815.88
£929.63- £815.88
- Unit price
- / per
-
Vendor:ARCO Marine
ARCO Marine Zeus A275L 1"-2" Single Foot Alternator w/Terminal Block [4027]
- £734.05
£836.34- £734.05
- Unit price
- / per
Zeus A275L 1"-2" Single Foot 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%...- £734.05
£836.34- £734.05
- Unit price
- / per
-
Vendor:ARCO Marine
ARCO Marine Zeus A275L N62 Alternator w/Clutch Pulley Terminal Block [4026]
- £774.97
£882.17- £774.97
- Unit price
- / per
Zeus A275L N62 Alternator with Clutch Pulley & 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 -...- £774.97
£882.17- £774.97
- Unit price
- / per
-
Vendor:ARCO Marine
ARCO Marine Zeus A275L J-180 4" Alternator w/Terminal Block [4022]
- £734.05
£836.34- £734.05
- Unit price
- / per
Zeus A275L J-180 4" 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. It runs 8 - 20%...- £734.05
£836.34- £734.05
- Unit price
- / per
-
Vendor:STA-BIL
STA-BIL Marine Tune-Up [22313]
- £8.18
£10.78- £8.18
- Unit price
- / per
Marine Tune-UpWhen watersport engines are running rough, it’s time for STA-BIL® Marine Tune-Up. The easy-to-use additive pours directly into the fuel tank to address issues caused by ethanol-blended fuels or plain old, neglected fuel systems. One treatment is enough to restore lost engine performance...- £8.18
£10.78- £8.18
- Unit price
- / per


![ARCO Marine Mercury Outboard Starter - 9 Tooth [5360]](http://www.dbmarinesupplies.com/cdn/shop/files/97198XL_533x.jpg?v=1682828458)
![ARCO Marine Johnson/Evinrude Outboard Starter - Late Model [5363]](http://www.dbmarinesupplies.com/cdn/shop/files/97197XL_533x.jpg?v=1682828441)
![ARCO Marine Mercury/Mariner Outboard Starter - 10 Tooth [5375]](http://www.dbmarinesupplies.com/cdn/shop/files/97194XL_533x.jpg?v=1682828395)
![ARCO Marine Inboard Starter w/12-3/4" Flywheel Gear Reduction [30460]](http://www.dbmarinesupplies.com/cdn/shop/files/97182XL_533x.jpg?v=1682828209)
![ARCO Marine Zeus A8000-48V 8kW N62 Alternator w/Clutch Pulley [4604]](http://www.dbmarinesupplies.com/cdn/shop/files/108032XL_533x.jpg?v=1741302000)
![ARCO Marine Zeus 24V 7kW 3.15 Alternator w/Isolated Ground (Common Rail) [4502]](http://www.dbmarinesupplies.com/cdn/shop/files/107555XL_533x.jpg?v=1738973295)
![ARCO Marine Zeus 24V 4kW Low Turn On (LTO) J180 4" Alternator w/Isolated Ground [4403]](http://www.dbmarinesupplies.com/cdn/shop/files/107550XL_533x.jpg?v=1738973260)