Keep your boat's engine running at peak performance with our comprehensive selection for Engine Parts & Service. We stock critical components for both inboard and outboard motors.

Find high-quality fuel pumps, durable fuel line kits from brands like Attwood, and specialized items like wet exhaust elbows and Balmar alternators. Essential for maintenance, we also carry the full line of Flushmaster Outboard Flushing Systems to protect your engine from salt and corrosion. Everything you need for reliable operation and professional-grade engine maintenance.

485 products

  • Balmar Pulley Kit fYanmar 4JH2TE 4JH2HTE 4JH2DTE 4JH2UTE 48YSP4JHE

    Balmar Pulley Kit f/Yanmar 4JH2-TE, 4JH2-HTE, 4JH2-DTE 4JH2-UTE [48-YSP-4JH-E]

    Balmar

    Balmar Pulley Kit f/Yanmar 4JH2-TE, 4JH2-HTE, 4JH2-DTE 4JH2-UTE [48-YSP-4JH-E]

    Pulley Kit for Yanmar 4JH2-TE, 4JH2-HTE, 4JH2-DTE 4JH2-UTEAltMount®Serpentine Pulley Conversion Kit for Yanmar Diesel EnginesYanmar Engines Covered: 4JH2-TE -HTE -DTE -UTEKit Includes: Three Ten-Groove (J10) Pulleys, Two J10, 47″ Circumference...
    $662.89
    $0.00 $662.89
  • Balmar Belt Buddy wo Adjustment Arm BBU

    Balmar Belt Buddy w/o Adjustment Arm [BBU]

    Balmar

    Balmar Belt Buddy w/o Adjustment Arm [BBU]

    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...
    $52.99
    $59.39 $52.99
    Sale
  • Attwood Standard Carbon Canister 99CC0851S

    Attwood Standard Carbon Canister [99CC085-1S]

    Attwood Marine

    Attwood Standard Carbon Canister [99CC085-1S]

    Standard Carbon CanisterCarbon canister systems utilize an engineered charcoal canister to reduce hydrocarbons entering the atmosphere. Other components of a carbon canister system are designed to ensure the tank fills...
    $111.99
    $139.99 $111.99
    Sale
  • Attwood Compact Carbon Canister 99CC0451S

    Attwood Compact Carbon Canister [99CC045-1S]

    Attwood Marine

    Attwood Compact Carbon Canister [99CC045-1S]

    Compact Carbon CanisterCarbon canister systems utilize an engineered charcoal canister to reduce hydrocarbons entering the atmosphere. Other components of a carbon canister system are designed to ensure the tank fills...
    $100.99
    $124.99 $100.99
    Sale
  • Trident Marine 6 ID 90Degree EPDM Black Rubber Molded Wet Exhaust Elbow w4 TBolt Clamps TRL690SS

    Trident Marine 6" ID 90-Degree EPDM Black Rubber Molded Wet Exhaust Elbow w/4 T-Bolt Clamps [TRL-690-S/S]

    Trident Marine

    Trident Marine 6" ID 90-Degree EPDM Black Rubber Molded Wet Exhaust Elbow w/4 T-Bolt Clamps [TRL-690-S/S]

    6" ID 90-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...
    $103.99
    $160.89 $103.99
    Sale
  • Attwood Outboard Fuel Filter Universal 118207

    Attwood Outboard Fuel Filter - Universal [11820-7]

    Attwood Marine

    Attwood Outboard Fuel Filter - Universal [11820-7]

    Outboard Fuel Filter - UniversalDisposable high-flow in-line fuel filters work with most outboard motors. Protects carbureted engines by trapping pollutants. A clear body allows visual inspection.Features: A clear body allows...
    $9.99
    $14.99 $9.99
    Sale
  • Attwood FuelWater Separator 118414

    Attwood Fuel/Water Separator [11841-4]

    Attwood Marine

    Attwood Fuel/Water Separator [11841-4]

    Fuel/Water SeparatorKeep your engine running at peak efficiency by filtering out any water that may get into the fuel system. 10-micron filtering capability.Features: Double seal for enhanced performance Replacement for:...
    $8.99
    $15.59 $8.99
    Sale
  • Attwood Portable Fuel Tank Cap wTether EPA Certified 88TC067

    Attwood Portable Fuel Tank Cap w/Tether - EPA Certified [88TC06-7]

    Attwood Marine

    Attwood Portable Fuel Tank Cap w/Tether - EPA Certified [88TC06-7]

    Portable Fuel Tank Cap with Tether - EPA CertifiedHigh-flow valve exceeds OEM engine fuel flow requirements. Be sure your fuel system is safe; the ratchet feature ensures a proper seal...
    $22.99
    $27.99 $22.99
    Sale
  • BoatBuckle Gas Tank TieDown F05352

    BoatBuckle Gas Tank Tie-Down [F05352]

    BoatBuckle

    BoatBuckle Gas Tank Tie-Down [F05352]

    BoatBuckle Gas Tank Tie-DownThe Battery Box Tie-Down features a nylon buckle, while the Gas TankTie-down features a zinc coated steel buckle.Both made of durable 1.5"polypropylene webbing and are packed with...
    $9.40
    $0.00 $9.40
  • Trident Marine 112 Flex Marine Wet Exhaust Water Hose Black Sold by the Foot 2501126FT

    Trident Marine 1-1/2" Flex Marine Wet Exhaust Water Hose - Black - Sold by the Foot [250-1126-FT]

    Trident Marine

    Trident Marine 1-1/2" Flex Marine Wet Exhaust Water Hose - Black - Sold by the Foot [250-1126-FT]

    1-1/2" Flex Marine Wet Exhaust & Water Hose - Black - Sold by the FootTrident Flex wet exhaust hose for longer bent connections. In smaller I.D.s for engine intake, critical...
    $14.99
    $19.99 $14.99
    Sale
  • GROCO 34 Engine Flush Kit Adaptor SSC750

    GROCO 3/4" Engine Flush Kit Adaptor [SSC-750]

    GROCO

    GROCO 3/4" Engine Flush Kit Adaptor [SSC-750]

    3/4" Engine Flush Kit & AdaptorThe ConceptA simple quarter-turn quick-release plug can add safety and flexibility to any water system.  Add SSC to the top of any seacock to allow...
    $120.99
    $181.00 $120.99
    Sale
  • ARCO Marine Premium Replacement Outboard Starter fYamaha 150300HP 9 Tooth 3437

    ARCO Marine Premium Replacement Outboard Starter f/Yamaha 150-300HP - 9 Tooth [3437]

    ARCO Marine

    ARCO Marine Premium Replacement Outboard Starter f/Yamaha 150-300HP - 9 Tooth [3437]

    Premium Replacement Outboard Starter for Yamaha 150-300HP - 9 ToothReplacement outboard starter that will fit Yamaha 150HP, 175HP, 200HP, 225HP, 250HP, 300HP 4-Stroke.ARCO advises using a fully charged battery -...
    $449.99
    $561.49 $449.99
    Sale
  • ARCO Marine Zeus A275L 315 Alternator wCase Ground Common Rail Terminal Block 4020

    ARCO Marine Zeus A275L 3.15 Alternator w/Case Ground (Common Rail) Terminal Block [4020]

    ARCO Marine

    ARCO Marine Zeus A275L 3.15 Alternator w/Case Ground (Common Rail) Terminal Block [4020]

    Zeus A275L 3.15 Alternator with Case Ground (Common Rail) & Terminal BlockThe highest power output alternator in its size/class. Features: Engineered for high energy production. Suitable for marine, RV, military, and...
    $986.70
    $1,124.20 $986.70
    Sale
  • ARCO Marine Zeus A275L 315 Alternator wIsolated Ground Terminal Block 4019

    ARCO Marine Zeus A275L 3.15 Alternator w/Isolated Ground Terminal Block [4019]

    ARCO Marine

    ARCO Marine Zeus A275L 3.15 Alternator w/Isolated Ground Terminal Block [4019]

    Zeus A275L 3.15 Alternator with Isolated Ground & Terminal BlockThe highest power output alternator in its size/class. Features: Engineered for high energy production. Suitable for marine, RV, military, and commercial applications....
    $1,096.70
    $1,249.60 $1,096.70
    Sale
  • STABIL 360 Marine 10oz Case of 12 22241CASE

    STA-BIL 360 Marine - 10oz *Case of 12* [22241CASE]

    STA-BIL

    STA-BIL 360 Marine - 10oz *Case of 12* [22241CASE]

    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...
    $103.99
    $227.88 $103.99
    Sale
  • STABIL 360 Marine 10oz 22241

    STA-BIL 360 Marine - 10oz [22241]

    STA-BIL

    STA-BIL 360 Marine - 10oz [22241]

    360® Marine™ - 10ozCLEANS 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...
    $9.99
    $18.99 $9.99
    Sale
  • Balmar Yanmar Pulley Kit f4JH 4JHE TE HTE DTE 48YSP4JHF

    Balmar Yanmar Pulley Kit f/4JH, 4JHE, -TE, -HTE, -DTE [48-YSP-4JH-F]

    Balmar

    Balmar Yanmar Pulley Kit f/4JH, 4JHE, -TE, -HTE, -DTE [48-YSP-4JH-F]

    Yanmar Pulley Kit for 4JH, 4JHE, -TE, -HTE, -DTEAltMount® Serpentine Pulley Conversion Kit for Yanmar Diesel EnginesYanmar Engines Covered: 4JH, 4JHE, -TE, -HTE, -DTEKit Includes:  Three Ten-Groove (J10) Pulleys Two J10...
    $662.89
    $0.00 $662.89
  • Balmar Alternator 250 AMP Kit 12V 4 Dual Foot Saddle Dual Vee Pulley Regulator Temp Sensor XTDF4250DVKIT

    Balmar Alternator 250 AMP Kit 12V 4" Dual Foot Saddle Dual Vee Pulley Regulator Temp Sensor [XT-DF4-250-DV-KIT]

    Balmar

    Balmar Alternator 250 AMP Kit 12V 4" Dual Foot Saddle Dual Vee Pulley Regulator Temp Sensor [XT-DF4-250-DV-KIT]

    Alternator 250 AMP Kit 12V 4" Dual Foot Saddle Dual Vee Pulley Regulator & Temp SensorKit Includes: XT-DF4-250-DV Alternator, MC-618 Regulator, Temperature Sensors & Mounting HardwareXT Series Alternator: 250A, 12V,...
    $1,486.99
    $1,695.79 $1,486.99
    Sale
  • Balmar Alternator 100 AMP Kit 12V 315 Dual Foot Saddle Single Vee Pulley Regulator Temp Sensor 60YPMC100SV

    Balmar Alternator 100 AMP Kit 12V 3.15" Dual Foot Saddle Single Vee Pulley Regulator Temp Sensor [60-YP-MC-100-SV]

    Balmar

    Balmar Alternator 100 AMP Kit 12V 3.15" Dual Foot Saddle Single Vee Pulley Regulator Temp Sensor [60-YP-MC-100-SV]

    Alternator 100 AMP Kit 12V 3.15" Dual Foot Saddle Single Vee Pulley Regulator & Temp SensorKit Includes: a 60-100-SV Alternator, MC-618 Regulator, Temperature Sensors, Mounting Hardware60-100-SV Alternator: 100A, 12V, Saddle...
    $947.99
    $1,081.59 $947.99
    Sale
  • Balmar Max Charge MC618 MultiStage Regulator wo Harness 12V MC618

    Balmar Max Charge MC618 Multi-Stage Regulator w/o Harness - 12V [MC-618]

    Balmar

    Balmar Max Charge MC618 Multi-Stage Regulator w/o Harness - 12V [MC-618]

    Max Charge MC618 Multi-Stage Regulator without Harness - 12VBalmar's MC-618 Regulator communicates with the SG200 Battery Monitor to provide information to the SG200 Color Display and Smartphone App.  Now you...
    $319.99
    $365.09 $319.99
    Sale
  • STABIL Starting Fluid 11oz Case of 6 22004CASE

    STA-BIL Starting Fluid - 11oz *Case of 6* [22004CASE]

    STA-BIL

    STA-BIL Starting Fluid - 11oz *Case of 6* [22004CASE]

    Starting Fluid - 11oz *Case of 6*STA-BIL® Starting Fluid is a special formula starting fluid with upper cylinder lube and corrosion inhibitor. STA-BIL® Starting Fluid is safe for oxygen sensors...
    $25.99
    $32.94 $25.99
    Sale
  • Balmar Alternator 170 AMP Kit 12V 4 Dual Foot Saddle K6 Pulley Regulator Temp Sensor XTDF4170K6KIT

    Balmar Alternator 170 AMP Kit 12V 4" Dual Foot Saddle K6 Pulley Regulator Temp Sensor [XT-DF4-170-K6-KIT]

    Balmar

    Balmar Alternator 170 AMP Kit 12V 4" Dual Foot Saddle K6 Pulley Regulator Temp Sensor [XT-DF4-170-K6-KIT]

    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...
    $1,256.99
    $1,433.29 $1,256.99
    Sale
  • Balmar Alternator 170 AMP 12V 4 Dual Foot Saddle K6 Pulley XTDF4170K6

    Balmar Alternator 170 AMP 12V 4" Dual Foot Saddle K6 Pulley [XT-DF4-170-K6]

    Balmar

    Balmar Alternator 170 AMP 12V 4" Dual Foot Saddle K6 Pulley [XT-DF4-170-K6]

    Alternator 170 AMP 12V 4" Dual Foot Saddle K6 PulleyBalmar offers a wide range of alternator power upgrades designed specifically for marine industry applications. They install high-reliability bearings, robust rectifier...
    $964.99
    $1,100.00 $964.99
    Sale
  • Balmar Alternator 100 AMP 12V 12 Single Foot Spindle Mount Dual Vee Pulley wIsolated Ground 621100DV

    Balmar Alternator 100 AMP 12V 1-2" Single Foot Spindle Mount Dual Vee Pulley w/Isolated Ground [621-100-DV]

    Balmar

    Balmar Alternator 100 AMP 12V 1-2" Single Foot Spindle Mount Dual Vee Pulley w/Isolated Ground [621-100-DV]

    Alternator 100 AMP 12V 1-2" Single Foot Spindle Mount Dual Vee Pulley with Isolated GroundAlternator, 621 Series, 100A, 12V, Spindle Mount (Single Foot), 1-2in, Dual Deep Vee Pulley, Isolated Ground...
    $704.99
    $804.69 $704.99
    Sale