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 Premium Replacement Alternator w/Single Groove Pulley - 12V, 55A [60050]
- $294.81
$384.51- $294.81
- Unit price
- / per
Premium Replacement Alternator with Single Groove Pulley - 12V, 55APremium replacement alternator that will fit late model Mercruiser, 12 Volt, 55 Amp, Internal regulator. 2-inch mounting foot. Single groove pulley included.Features: All alternators are engineered for performance and reliability All alternators are engineered and...- $294.81
$384.51- $294.81
- Unit price
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Vendor:ARCO Marine
ARCO Marine Mercury/Mariner Outboard Starter - 8 Tooth [5392]
- $299.01
$386.55- $299.01
- Unit price
- / per
Mercury/Mariner Outboard Starter - 8 ToothThe outboard starter will fit Mercury/Mariner, 100-125 HP Inline 4-cyl; 80 HP Jet, 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...- $299.01
$386.55- $299.01
- Unit price
- / per
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Vendor:ARCO Marine
ARCO Marine Current Model Outboard Solenoid w/Flat Isolated Base [SW054]
- $33.52
$44.38- $33.52
- Unit price
- / per
Current Model Outboard Solenoid with Flat Isolated BaseThe outboard solenoid will fit the current model Mercruiser and Mercury. Isolated base, 12 Volt.Replaces:MERCURY 89-850189MERCURY 89-850189TMERCURY 89-91975MERCURY 89-96054MERCURY 89-96054T*ARCO Assurance 12-month part and labor warranty protectionThis product may not be returned to the original point of...- $33.52
$44.38- $33.52
- Unit price
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Vendor:ARCO Marine
ARCO Marine Prestolite Style Solenoid w/Isolated Base [SW622]
- $47.49
$60.17- $47.49
- Unit price
- / per
Prestolite Style Solenoid with Isolated BasePrestolite style solenoid that will fit BRP-OMC. Isolated base, 12 VoltReplaces:MERCURY 47886MERCURY 47886TBRP-OMC 380095BRP-OMC 383622BRP-OMC 389398BRP-OMC 389493BRP-OMC 395419BRP-OMC 582708BRP-OMC 586180*ARCO Assurance 12-month part and labor warranty protectionThis product may not be returned to the original point of purchase. Please...- $47.49
$60.17- $47.49
- Unit price
- / per
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Vendor:Regitar U.S.A.
Regitar USA Temperature Sensor f/Volvo Penta Engines [RMP001]
- $29.33
$40.51- $29.33
- Unit price
- / per
Temperature Sensor for Volvo Penta EnginesTemperature Sensor for Volvo Penta Engines.Engine Brand:Volvo PentaFitment:Volvo Penta Engines Brochure (pdf)- $29.33
$40.51- $29.33
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Vendor:Balmar
Balmar Pulley Kit f/Yanmar 3JH5, 3JH4-E, 4JH4-E, 4JH5, 4JH5-E [48-YSP-3JH-A]
- $963.42
$0.00- $963.42
- Unit price
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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...- $963.42
$0.00- $963.42
- Unit price
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Vendor:Regitar U.S.A.
Regitar USA Knock Sensor f/Mercruiser, Volvo Penta, OMC Inboard Engines: MCM/MIE GM V-8 (454, 502, 540 572 CID) Engines. [RMH004]
- $65.66
$83.84- $65.66
- Unit price
- / per
Knock Sensor for Mercruiser, Volvo Penta & OMC Inboard Engines: MCM/MIE GM V-8 (454, 502, 540 & 572 CID) Engines.Knock Sensor for Mercruiser, Volvo Penta, and OMC inboard engines: MCM/MIE GM V-8 (454, 502, 540 & 572 CID) Engines.Engine Brand: Mercury / Mercruiser OMC...- $65.66
$83.84- $65.66
- Unit price
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Vendor:Regitar U.S.A.
Regitar USA Marine Fuel Pump Assembly f/Mercury/Mercruiser Engines: Fits MCM/MIE 4.3L/V6 5.0L/V8 Gen+ Some 350 ci Carburetors [RFP003]
- $153.69
$212.35- $153.69
- Unit price
- / per
Marine Fuel Pump Assembly for Mercury/Mercruiser Engines: Fits MCM/MIE 4.3L/V6 & 5.0L/V8 Gen+ & Some 350 ci CarburetorsFuel Pump Assembly for Mercury/Mercruiser engines: Fits 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...- $153.69
$212.35- $153.69
- Unit price
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Vendor:Regitar U.S.A.
Regitar USA Ignition Module f/Mercruiser Engines: 2001 Newer MCM/MIE 4.3L, 5.0L, 5.7L 6.2L MPI Engines w/ECM 555 [RMG003]
- $278.05
$352.12- $278.05
- Unit price
- / per
Ignition Module for Mercruiser Engines: 2001 & Newer MCM/MIE 4.3L, 5.0L, 5.7L & 6.2L MPI Engines with ECM 555Ignition Module for Mercruiser Engines: 2001 and Newer MCM/MIE 4.3L, 5.0L, 5.7L, and 6.2L MPI Engines With ECM 555.Engine Brand:Mercury / MercruiserFitment:2001 & Newer MCM/MIE 4.3L,...- $278.05
$352.12- $278.05
- Unit price
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Vendor:Balmar
Balmar Alternator 170 AMP Kit 12V 3.15" Dual Foot Saddle K6 Pulley Regulator Temp Sensor [XT-CR-170-K6-KIT]
- $1,750.79
$2,082.93- $1,750.79
- Unit price
- / per
Alternator 170 AMP Kit 12V 3.15" Dual Foot Saddle K6 Pulley Regulator & Temp SensorKit Includes: XT-DF-170-K6 Alternator, MC-618 Regulator, Temperature Sensors & Mounting HardwareXT Series Alternator: 170A, 12V, Saddle Mount (Dual Foot), 3.15in, K6 Serpentine Pulley, Case GroundHitachi-Style Mounting; Typical for Yanmar, Westerbeke,...- $1,750.79
$2,082.93- $1,750.79
- Unit price
- / per
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Vendor:Balmar
Balmar Alternator 170 AMP 12V 3.15" Dual Foot Saddle J10 Pulley [XT-CR-170-J10]
- $1,344.18
$1,598.49- $1,344.18
- Unit price
- / per
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...- $1,344.18
$1,598.49- $1,344.18
- Unit price
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Vendor:Balmar
Balmar Alternator 100 AMP 12V 3.15" Dual Foot Saddle K6 Pulley w/Isolated Ground [60-100-K6]
- $982.28
$1,169.38- $982.28
- Unit price
- / per
Alternator 100 AMP 12V 3.15" Dual Foot Saddle K6 Pulley with Isolated GroundAlternator, 60 Series, 100A, 12V, Saddle Mount (Dual Foot), 3.15in, K6 Serpentine Pulley, Isolated Ground Hitachi-Style Mounting; Typical for Yanmar, Westerbeke, Lehman & Perkins-Sabre EnginesReplaces: 60-100-SR-IGThis product may not be returned to...- $982.28
$1,169.38- $982.28
- Unit price
- / per
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Vendor:Balmar
Balmar Alternator 170 AMP Kit 12V 3.15" Dual Foot Saddle J10 Pulley Regulator Temp Sensor [XT-CR-170-J10-KIT]
- $1,750.79
$2,082.93- $1,750.79
- Unit price
- / per
Alternator 170 AMP Kit 12V 3.15" Dual Foot Saddle J10 Pulley Regulator & Temp SensorKit Includes: XT-DF-170-J10 Alternator, MC-618 Regulator, Temperature Sensors & Mounting HardwareXT Series Alternator: 170A, 12V, Saddle Mount (Dual Foot), 3.15in, J10 AltMount Serpentine Pulley, Case GroundHitachi-Style Mounting; Typical for Yanmar,...- $1,750.79
$2,082.93- $1,750.79
- Unit price
- / per
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Vendor:Balmar
Balmar Alternator 100 AMP Kit 12V 1-2" Single Foot Spindle Mount K6 Pulley Regulator Temp Sensor [621-VUP-MC-100-K6]
- $1,320.42
$1,571.80- $1,320.42
- Unit price
- / per
Alternator 100 AMP Kit 12V 1-2" Single Foot Spindle Mount K6 Pulley Regulator & Temp SensorKit Includes: 621-100-K6 Alternator, MC-618 Regulator, Temperature Sensors, Mounting Hardware621-100-K6 Alternator: 100A, 12V, Spindle Mount (Single Foot), 1-2in, K6 Serpentine Pulley, Isolated Ground1" Motorola-Style Mounting; Typical for Westerbeke, Lehman,...- $1,320.42
$1,571.80- $1,320.42
- Unit price
- / per
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Vendor:Balmar
Balmar Alternator 170 AMP Kit 12V 4" Dual Foot Saddle K6 Pulley Regulator Temp Sensor [XT-DF4-170-K6-KIT]
- $1,750.79
$2,082.93- $1,750.79
- Unit price
- / per
170 AMP Alternator Kit - 12V 4" Dual Foot Saddle Mount with K6 Pulley, Regulator & Temp SensorBalmar offers a wide range of alternator power upgrades designed specifically for marine industry applications. They install high-reliability bearings, robust rectifier diodes, and improved heat-sinking capabilities on...- $1,750.79
$2,082.93- $1,750.79
- Unit price
- / per
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Vendor:Balmar
Balmar Alternator 250 AMP 12V 3.15" Dual Foot Saddle J10 Pulley [XT-DF-250-J10]
- $1,648.79
$1,961.78- $1,648.79
- Unit price
- / per
Alternator 250 AMP 12V 3.15" Dual Foot Saddle J10 PulleyAlternator, XT Series, 250A, 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-200-12-IG, AT-DF-200-J10This product may not be returned to the original...- $1,648.79
$1,961.78- $1,648.79
- Unit price
- / per
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Vendor:Balmar
Balmar 621 Series 120A Kit w/MC-618 Regulator, T-Sensor, K6 Pulley, Single Foot Mounting Hardware [621-VUP-MC-120-K6]
- $1,430.81
$1,703.84- $1,430.81
- Unit price
- / per
621 Series 120A Kit with MC-618 Regulator, T-Sensor, K6 Pulley, Single Foot & Mounting HardwareKit Includes: 621-120-K6 Alternator MC-618 Regulator Temperature Sensors Mounting Hardware 621-120-K6 Alternator: 120A, 12V, Spindle Mount (Single Foot), 1-2in, K6 Serpentine Pulley, Isolated Ground1" Motorola-Style Mounting; Typical for Westerbeke, Lehman,...- $1,430.81
$1,703.84- $1,430.81
- Unit price
- / per
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Vendor:Balmar
Balmar Alternator 120 AMP Kit 120V 3.15" Dual Foot Saddle J10 Pulley Regulator Temp Sensor [60-YP-MC-120-J10]
- $1,430.81
$1,703.84- $1,430.81
- Unit price
- / per
Alternator 120 AMP Kit 120V 3.15" Dual Foot Saddle J10 Pulley Regulator & Temp SensorKit Includes: a 60-120-J10 Alternator, MC-618 Regulator, Temperature Sensors, Mounting Hardware60-120-J10 Alternator: 120A, 12V, Saddle Mount (Dual Foot), 3.15in, J10 AltMount Serpentine Pulley, Isolated GroundHitachi-Style Mounting; Typical for Yanmar, Westerbeke,...- $1,430.81
$1,703.84- $1,430.81
- Unit price
- / per
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Vendor:Balmar
Balmar Alternator 3.15" Dual Foot Saddle J10 Serpentine Pulley - 170A - 12V [XT-DF-170-J10]
- $1,344.18
$1,598.49- $1,344.18
- Unit price
- / per
Alternator 3.15" Dual Foot Saddle J10 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...- $1,344.18
$1,598.49- $1,344.18
- Unit price
- / per
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Vendor:Balmar
Balmar Temp Sensor Battery - 20 [MC-TS-B]
- $72.65
$83.26- $72.65
- Unit price
- / per
Temp Sensor Battery - 20'Temperature Sensor, Battery - 20' LengthThis product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.- $72.65
$83.26- $72.65
- Unit price
- / per


![ARCO Marine Premium Replacement Alternator w/Single Groove Pulley - 12V, 55A [60050]](http://www.dbmarinesupplies.com/cdn/shop/files/97202XL_533x.jpg?v=1682828521)
![ARCO Marine Mercury/Mariner Outboard Starter - 8 Tooth [5392]](http://www.dbmarinesupplies.com/cdn/shop/files/97196XL_533x.jpg?v=1682828425)
![ARCO Marine Current Model Outboard Solenoid w/Flat Isolated Base [SW054]](http://www.dbmarinesupplies.com/cdn/shop/files/97223XL_533x.jpg?v=1682828851)
![ARCO Marine Prestolite Style Solenoid w/Isolated Base [SW622]](http://www.dbmarinesupplies.com/cdn/shop/files/97222XL_533x.jpg?v=1682828835)
![Regitar USA Temperature Sensor f/Volvo Penta Engines [RMP001]](http://www.dbmarinesupplies.com/cdn/shop/files/107577XL_533x.jpg?v=1742343460)
![Regitar USA Knock Sensor f/Mercruiser, Volvo Penta, OMC Inboard Engines: MCM/MIE GM V-8 (454, 502, 540 572 CID) Engines. [RMH004]](http://www.dbmarinesupplies.com/cdn/shop/files/107535XL_533x.jpg?v=1742343230)
![Regitar USA Marine Fuel Pump Assembly f/Mercury/Mercruiser Engines: Fits MCM/MIE 4.3L/V6 5.0L/V8 Gen+ Some 350 ci Carburetors [RFP003]](http://www.dbmarinesupplies.com/cdn/shop/files/107711XL_533x.jpg?v=1742343817)
![Regitar USA Ignition Module f/Mercruiser Engines: 2001 Newer MCM/MIE 4.3L, 5.0L, 5.7L 6.2L MPI Engines w/ECM 555 [RMG003]](http://www.dbmarinesupplies.com/cdn/shop/files/107529XL_533x.jpg?v=1742343176)