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.

525 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...
    $689.49
    $0.00 $689.49
  • 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
  • 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 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...
    $8.99
    $20.99 $8.99
    Sale
  • 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,...
    $1,546.99
    $1,763.69 $1,546.99
    Sale
  • Attwood Universal Fuel Line Kit 516 Diameter x 6 Length 951606ULP7

    Attwood Universal Fuel Line Kit - 5/16" Diameter x 6 Length [951606ULP7]

    Attwood Marine

    Attwood Universal Fuel Line Kit - 5/16" Diameter x 6 Length [951606ULP7]

    Universal Fuel Line Kit - 5/16" Diameter x 6' LengthThis EPA-certified Attwood Universal Fuel Line Kit reliably delivers fuel to your engine and provides the ultimate in performance, safety, and...
    $39.99
    $49.99 $39.99
    Sale
  • Trident Marine 316 SS TBolt Clamp 34 Band 528559 Range 7205000

    Trident Marine 316 SS T-Bolt Clamp - 3/4" Band - 5.28"-5.59" Range [720-5000]

    Trident Marine

    Trident Marine 316 SS T-Bolt Clamp - 3/4" Band - 5.28"-5.59" Range [720-5000]

    316 SS T-Bolt Clamp - 3/4" Band - 5.28"-5.59" RangeVery strong and secure clamp for critical installations. Trident Marine T-Bolt Clamps are built with safety in mind. With a 3/4"...
    $14.99
    $21.87 $14.99
    Sale
  • GROCO 1 Engine Flush Kit Adaptor SSC1000

    GROCO 1" Engine Flush Kit Adaptor [SSC-1000]

    GROCO

    GROCO 1" Engine Flush Kit Adaptor [SSC-1000]

    1" 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...
    $142.99
    $214.00 $142.99
    Sale
  • Trident Marine 6 ID 45Degree EPDM Black Rubber Molded Wet Exhaust Elbow w4 TBolt Clamps TRL645SS

    Trident Marine 6" ID 45-Degree EPDM Black Rubber Molded Wet Exhaust Elbow w/4 T-Bolt Clamps [TRL-645-S/S]

    Trident Marine

    Trident Marine 6" ID 45-Degree EPDM Black Rubber Molded Wet Exhaust Elbow w/4 T-Bolt Clamps [TRL-645-S/S]

    6" 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...
    $102.99
    $159.86 $102.99
    Sale
  • ARCO Marine Zeus 24V 7kW J180 4 Alternator wIsolated Ground 4503

    ARCO Marine Zeus 24V 7kW J180 4" Alternator w/Isolated Ground [4503]

    ARCO Marine

    ARCO Marine Zeus 24V 7kW J180 4" Alternator w/Isolated Ground [4503]

    Zeus 24V 7kW J180 4" Alternator with Isolated GroundThe ARCO Zeus 24v 7kW alternator generates extremely high amperage at cruising and higher RPMs. This alternator continuously generates over 3kW (109...
    $1,427.80
    $1,648.90 $1,427.80
    Sale
  • Attwood JohnsonEvinrudeOMC Female Hose Fitting Tank Or Engine End 38 Barb 8889LP6

    Attwood Johnson/Evinrude/OMC Female Hose Fitting - Tank Or Engine End - 3/8" Barb [8889LP6]

    Attwood Marine

    Attwood Johnson/Evinrude/OMC Female Hose Fitting - Tank Or Engine End - 3/8" Barb [8889LP6]

    Johnson/Evinrude/OMC (Outboard Marine Corporation) Female Hose Fitting - Tank Or Engine End - 3/8" BarbFor use on both ends of the fuel line to connect tank fitting and motor. The...
    $5.99
    $0.00 $5.99
  • ARCO Marine Premium Replacement Ignition Coil fMercury Outboard Engines 19982006 IG012

    ARCO Marine Premium Replacement Ignition Coil f/Mercury Outboard Engines 1998-2006 [IG012]

    ARCO Marine

    ARCO Marine Premium Replacement Ignition Coil f/Mercury Outboard Engines 1998-2006 [IG012]

    Premium Replacement Ignition Coil for Mercury Outboard Engines 1998-2006This ignition coil fits 1998-2006 (135,200,225,250 & 300HP) Mercury outboard engines.Replaces: MERCURY Ignition Coil 339-850227 MERCURY Ignition Coil 339-856991A1 SIERRA Ignition Coil...
    $96.99
    $135.00 $96.99
    Sale
  • ARCO Marine Outboard Solenoid wFlat Isolated Base White Housing SW097

    ARCO Marine Outboard Solenoid w/Flat Isolated Base White Housing [SW097]

    ARCO Marine

    ARCO Marine Outboard Solenoid w/Flat Isolated Base White Housing [SW097]

    Outboard Solenoid with Flat Isolated Base & White HousingThe outboard solenoid will fit Mercruiser and Mercury. Isolated base, 12 Volt, White housing.Replaces:MERCURY 89-818997A1MERCURY 89-818997A2MERCURY 89-818997T1MERCURY 89-818998A1MERCURY 89-818998A2MERCURY 89-850187A1MERCURY 89-850187T1*ARCO Assurance...
    $35.99
    $47.67 $35.99
    Sale
  • Balmar Alternator 100 AMP 12V 315 Dual Foot Saddle Pulley wIsolated Ground 60100DV

    Balmar Alternator 100 AMP 12V 3.15" Dual Foot Saddle Pulley w/Isolated Ground [60-100-DV]

    Balmar

    Balmar Alternator 100 AMP 12V 3.15" Dual Foot Saddle Pulley w/Isolated Ground [60-100-DV]

    Alternator 100 AMP 12V 3.15" Dual Foot Saddle Pulley with Isolated GroundAlternator, 60 Series, 100A, 12V, Saddle Mount (Dual Foot), 3.15in, Dual Deep Vee Pulley, Isolated Ground Hitachi-Style Mounting; Typical...
    $732.99
    $836.89 $732.99
    Sale
  • GROCO 212 Engine Flush Kit Adaptor SSC2500

    GROCO 2-1/2" Engine Flush Kit Adaptor [SSC-2500]

    GROCO

    GROCO 2-1/2" Engine Flush Kit Adaptor [SSC-2500]

    2-1/2" 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...
    $286.99
    $430.00 $286.99
    Sale
  • Regitar USA Voltage Regulator fMercury Marine Outboard 4 Stroke 30 40 50 and 60 Hp Engines RMV005

    Regitar USA Voltage Regulator f/Mercury Marine Outboard 4 Stroke 30, 40, 50, and 60 Hp Engines [RMV005]

    Regitar U.S.A.

    Regitar USA Voltage Regulator f/Mercury Marine Outboard 4 Stroke 30, 40, 50, and 60 Hp Engines [RMV005]

    Voltage Regulator for Mercury Marine Outboard 4 Stroke 30, 40, 50, and 60 Hp EnginesVoltage Regulator for Mercury Marine Outboard 4 Stroke 30, 40, 50, and 60 Hp Engines.Engine Brand:MercuryFitment:Mercury...
    $78.99
    $125.00 $78.99
    Sale
  • Balmar Alternator 250 AMP Kit 12V 315 Dual Foot Saddle J10 Pulley Regulator Temp Sensor XTDF250J10KIT

    Balmar Alternator 250 AMP Kit 12V 3.15" Dual Foot Saddle J10 Pulley Regulator Temp Sensor [XT-DF-250-J10-KIT]

    Balmar

    Balmar Alternator 250 AMP Kit 12V 3.15" Dual Foot Saddle J10 Pulley Regulator Temp Sensor [XT-DF-250-J10-KIT]

    Alternator 250 AMP Kit 12V 3.15" Dual Foot Saddle J10 Pulley Regulator & Temp SensorKit Includes: XT-DF-250-J10 Alternator, MC-618 Regulator, Temperature Sensors & Mounting HardwareXT Series Alternator: 250A, 12V, Saddle...
    $1,546.99
    $1,763.69 $1,546.99
    Sale
  • Balmar Pulley Kit Yanmar f3YM30 48YSP3YMB

    Balmar Pulley Kit Yanmar f/3YM30 [48-YSP-3YM-B]

    Balmar

    Balmar Pulley Kit Yanmar f/3YM30 [48-YSP-3YM-B]

    Pulley Kit Yanmar for 3YM30AltMount®Serpentine Pulley Conversion Kit for Yanmar Diesel EnginesYanmar Engines Covered: 3YM30Kit Includes: Three Ten-Groove (J10) Pulleys, Two J10, 39″ Circumference Serpentine Belts (one spare) & Mounting...
    $689.49
    $0.00 $689.49
  • Balmar Alternator 120 AMP 12V 12 Single Foot Spindle Mount Dual Vee Pulley Regulator Temp Sensor 621VUPMC120DV

    Balmar Alternator 120 AMP 12V 1-2" Single Foot Spindle Mount Dual Vee Pulley Regulator Temp Sensor [621-VUP-MC-120-DV]

    Balmar

    Balmar Alternator 120 AMP 12V 1-2" Single Foot Spindle Mount Dual Vee Pulley Regulator Temp Sensor [621-VUP-MC-120-DV]

    Alternator 120 AMP 12V 1-2" Single Foot Spindle Mount Dual Vee Pulley Regulator & Temp SensorKit Includes: 621-120-DV Alternator, MC-618 Regulator, Temperature Sensors, Mounting Hardware621-120-DV Alternator: 120A, 12V, Spindle Mount...
    $1,068.99
    $1,219.39 $1,068.99
    Sale