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.

502 products

  • ARCO Marine Mercury Outboard Starter 9 Tooth 5360

    ARCO Marine Mercury Outboard Starter - 9 Tooth [5360]

    ARCO Marine

    ARCO Marine Mercury Outboard Starter - 9 Tooth [5360]

    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...
    $233.99
    $282.84 $233.99
    Sale
  • STABIL InSeason Protection 10oz 22309

    STA-BIL In-Season Protection - 10oz [22309]

    STA-BIL

    STA-BIL In-Season Protection - 10oz [22309]

    In-Season Protection - 10ozSTA-BIL In-Season Protection Fuel System Treatment, America's #1 Ethanol Treatment, is engineered to combat the negative effects of ethanol-blended fuels. This industry-leading formula prevents corrosion, cleans the...
    $8.99
    $11.99 $8.99
    Sale
  • Balmar Pulley Kit fPerkins 4170 4108 K6 48PSP410A

    Balmar Pulley Kit f/Perkins 4170, 4108 (K6) [48-PSP-410-A]

    Balmar

    Balmar Pulley Kit f/Perkins 4170, 4108 (K6) [48-PSP-410-A]

    Pulley Kit for Perkins 4170, 4108 (K6)AltMount®Serpentine Pulley Conversion Kit for Perkins/Sabre EnginesPerkins/Sabre Engines Covered: 4107, 4108Kit Includes: Three Six-Groove (K6) Pulleys, Two K6, 40″ Circumference Serpentine Belts (one spare)...
    $855.99
    $0.00 $855.99
  • Balmar Lehman Serp Pulley Kit 48FSP100

    Balmar Lehman Serp Pulley Kit [48-FSP-100]

    Balmar

    Balmar Lehman Serp Pulley Kit [48-FSP-100]

    Lehman Serp Pulley KitAltMount®Serpentine Pulley Conversion Kit for Ford/Lehman EnginesFord/Lehman Engines Covered: FL80, FL120Kit Includes: Three Ten-Groove (J10) Pulleys, Two J10, 55" Circumference Serpentine Belts (one spare)Note:  If you specify...
    $855.99
    $0.00 $855.99
  • Balmar Alternator 100 AMP Kit 12V 315 Dual Foot Saddle J10 Pulley Regulator Temp Sensor 60YPMC100J10

    Balmar Alternator 100 AMP Kit 12V 3.15" Dual Foot Saddle J10 Pulley Regulator Temp Sensor [60-YP-MC-100-J10]

    Balmar

    Balmar Alternator 100 AMP Kit 12V 3.15" Dual Foot Saddle J10 Pulley Regulator Temp Sensor [60-YP-MC-100-J10]

    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...
    $985.99
    $1,124.89 $985.99
    Sale
  • Barlmar Pulley Kit fYanmar 4LHA 48YSP4LHA

    Barlmar Pulley Kit f/Yanmar 4LH-A [48-YSP-4LH-A]

    Balmar

    Barlmar Pulley Kit f/Yanmar 4LH-A [48-YSP-4LH-A]

    Pulley Kit for Yanmar 4LH-AAltMount®Serpentine Pulley Conversion Kit for Yanmar Diesel EnginesYanmar Engines Covered: 4LH-AKit Includes: Three Ten-Groove (J10) Pulleys, Two J10, 47″ Circumference Serpentine Belts (one spare) & Mounting...
    $689.49
    $0.00 $689.49
  • Balmar Universal Adjustment Arm Offset UAA2

    Balmar Universal Adjustment Arm - Offset [UAA2]

    Balmar

    Balmar Universal Adjustment Arm - Offset [UAA2]

    Universal Adjustment Arm - OffsetUniversal Adjustment Arm for the Belt Buddy with a 1/2″ offset for certain mounting applications which require an offset. This part number is for the “Arm...
    $56.99
    $65.09 $56.99
    Sale
  • STABIL InSeason Protection Small Engine 4oz 22295

    STA-BIL In-Season Protection - Small Engine - 4oz [22295]

    STA-BIL

    STA-BIL In-Season Protection - Small Engine - 4oz [22295]

    In-Season Protection - Small Engine - 4ozFeatures: America’s #1 Ethanol Treatment Use STA-BIL In-Season Protection Fuel System Treatment at every fill-up Keeps fuel fresh for up to 12 months STA-BIL...
    $6.99
    $8.49 $6.99
    Sale
  • STABIL InSeason Protection Small Engine 4oz Case of 6 22295CASE

    STA-BIL In-Season Protection - Small Engine - 4oz *Case of 6* [22295CASE]

    STA-BIL

    STA-BIL In-Season Protection - Small Engine - 4oz *Case of 6* [22295CASE]

    In-Season Protection - Small Engine - 4oz *Case of 6*Features: America’s #1 Ethanol Treatment Use STA-BIL In-Season Protection Fuel System Treatment at every fill-up Keeps fuel fresh for up to...
    $42.99
    $59.92 $42.99
    Sale
  • STABIL Diesel Formula Fuel Stabilizer Performance Improver 1 Gallon Case of 4 22255CASE

    STA-BIL Diesel Formula Fuel Stabilizer Performance Improver - 1 Gallon *Case of 4* [22255CASE]

    STA-BIL

    STA-BIL Diesel Formula Fuel Stabilizer Performance Improver - 1 Gallon *Case of 4* [22255CASE]

    Diesel Formula Fuel Stabilizer & Performance Improver - 1 Gallon *Case of 4*STA-BIL Diesel Formula Fuel Stabilizer is a diesel additive that keeps fuel fresh for quick, easy starts and...
    $233.99
    $315.96 $233.99
    Sale
  • STABIL 360 Marine 1 Gallon Case of 4 22250CASE

    STA-BIL 360 Marine - 1 Gallon *Case of 4* [22250CASE]

    STA-BIL

    STA-BIL 360 Marine - 1 Gallon *Case of 4* [22250CASE]

    360® Marine™ - 1 Gallon *Case of 4*CLEANS THE FUEL SYSTEM TO IMPROVE PERFORMANCESTA-BIL 360® MARINE™ use it with every fill up to help keep your engine running cleaner, leaner,...
    $276.99
    $599.96 $276.99
    Sale
  • STABIL 360 Marine 8oz 22239

    STA-BIL 360 Marine - 8oz [22239]

    STA-BIL

    STA-BIL 360 Marine - 8oz [22239]

    360® Marine™ - 8ozCLEANS 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
    $16.49 $8.99
    Sale
  • STABIL Starting Fluid 11oz 22004

    STA-BIL Starting Fluid - 11oz [22004]

    STA-BIL

    STA-BIL Starting Fluid - 11oz [22004]

    Starting Fluid - 11ozSTA-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 and catalytic converters....
    $5.99
    $0.00 $5.99
  • STABIL Diesel Formula Fuel Stabilizer Performance Improver 1 Gallon 22255

    STA-BIL Diesel Formula Fuel Stabilizer Performance Improver - 1 Gallon [22255]

    STA-BIL

    STA-BIL Diesel Formula Fuel Stabilizer Performance Improver - 1 Gallon [22255]

    Diesel Formula Fuel Stabilizer & Performance Improver - 1 GallonSTA-BIL Diesel Formula Fuel Stabilizer is a diesel additive that keeps fuel fresh for quick, easy starts and maximized for engine...
    $62.99
    $86.49 $62.99
    Sale
  • STABIL Fuel Stabilizer 16oz 22207

    STA-BIL Fuel Stabilizer - 16oz [22207]

    STA-BIL

    STA-BIL Fuel Stabilizer - 16oz [22207]

    Fuel Stabilizer - 16ozAMERICA’S #1 FUEL STABILIZER TREATMENTSTA-BIL Storage Fuel Stabilizer keeps fuel fresh for quick easy starts after storage. It removes water to prevent corrosion and cleanses carburetors and...
    $9.99
    $14.49 $9.99
    Sale
  • STABIL 360 Marine 1 Gallon 22250

    STA-BIL 360 Marine - 1 Gallon [22250]

    STA-BIL

    STA-BIL 360 Marine - 1 Gallon [22250]

    360® Marine™ - 1 GallonCLEANS 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...
    $74.99
    $163.49 $74.99
    Sale
  • Balmar Alternator 315 Dual Foot Saddle K6 Serpentine Pulley 170A 12V XTDF170K6

    Balmar Alternator 3.15" Dual Foot Saddle K6 Serpentine Pulley - 170A - 12V [XT-DF-170-K6]

    Balmar

    Balmar Alternator 3.15" Dual Foot Saddle K6 Serpentine Pulley - 170A - 12V [XT-DF-170-K6]

    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...
    $1,002.99
    $1,143.99 $1,002.99
    Sale
  • Balmar Alternator 12 Single Foot J10 Serpentine Pulley 170A 12V XTSF170J10

    Balmar Alternator 1-2" Single Foot J10 Serpentine Pulley - 170A - 12V [XT-SF-170-J10]

    Balmar

    Balmar Alternator 1-2" Single Foot J10 Serpentine Pulley - 170A - 12V [XT-SF-170-J10]

    Alternator 1-2" Single Foot J10 Serpentine Pulley - 170A - 12VBalmar offers a wide range of alternator power upgrades designed specifically for marine industry applications. Balmar installs high reliability bearings,...
    $1,002.99
    $1,143.99 $1,002.99
    Sale
  • Balmar Digital Duo Charge 1224V DDC1224

    Balmar Digital Duo Charge - 12/24V [DDC-12/24]

    Balmar

    Balmar Digital Duo Charge - 12/24V [DDC-12/24]

    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...
    $248.99
    $284.29 $248.99
    Sale
  • Balmar ARS MultiStage Regulator wHarness 12V ARS5H

    Balmar ARS Multi-Stage Regulator w/Harness - 12V [ARS-5-H]

    Balmar

    Balmar ARS Multi-Stage Regulator w/Harness - 12V [ARS-5-H]

    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,...
    $283.99
    $323.79 $283.99
    Sale
  • Attwood Portable Fuel Tank 6 Gallon wGauge 8806LPG2

    Attwood Portable Fuel Tank - 6 Gallon w/Gauge [8806LPG2]

    Attwood Marine

    Attwood Portable Fuel Tank - 6 Gallon w/Gauge [8806LPG2]

    Portable Fuel Tank - 6 Gallon with GaugeAttwood has engineered the industry’s only comprehensive EPA-certified fuel tank-to-engine solution. Rugged materials and innovative design stand up to harsh marine conditions. 6-gallon...
    $75.99
    $92.99 $75.99
    Sale
  • BoatBuckle Gas Tank Battery Box Kwik Lok Strap 1 x 4 F05343

    BoatBuckle Gas Tank Battery Box Kwik Lok Strap 1" x 4' [F05343]

    BoatBuckle

    BoatBuckle Gas Tank Battery Box Kwik Lok Strap 1" x 4' [F05343]

    BoatBuckle Kwik-Lok Gas Tank/Battery Box Strap 1" x 4'The Battery Box Tie-Down features a nylon buckle,while the Gas Tank Tiedown features a zinc coated steel buckle.Both made of durable 1.5"...
    $13.76
    $0.00 $13.76