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.

477 of 478 products

  • Balmar Alternator 100 AMP Kit 12V 12 Single Foot Spindle Mount J10 Pulley Regulator Temp Sensor 621VUPMC100J10

    Balmar Alternator 100 AMP Kit 12V 1-2" Single Foot Spindle Mount J10 Pulley Regulator Temp Sensor [621-VUP-MC-100-J10]

    Balmar

    Balmar Alternator 100 AMP Kit 12V 1-2" Single Foot Spindle Mount J10 Pulley Regulator Temp Sensor [621-VUP-MC-100-J10]

    Alternator 100 AMP Kit 12V 1-2" Single Foot Spindle Mount J10 Pulley Regulator & Temp SensorKit Includes: 621-100-J10 Alternator, MC-618 Regulator, Temperature Sensors, Mounting Hardware621-100-J10 Alternator: 100A, 12V, Spindle Mount...
    $985.99
    $1,124.89 $985.99
    Sale
  • ARCO Marine Replacement Outboard Tilt Trim Motor JohnsonEvinrude 2Wire 4 Bolt EFI 6238

    ARCO Marine Replacement Outboard Tilt Trim Motor - Johnson/Evinrude, 2-Wire, 4 Bolt, EFI [6238]

    ARCO Marine

    ARCO Marine Replacement Outboard Tilt Trim Motor - Johnson/Evinrude, 2-Wire, 4 Bolt, EFI [6238]

    Replacement Outboard Tilt Trim Motor - Johnson/Evinrude, 2-Wire, 4 Bolt, EFIReplacement outboard tilt trim motor that will fit BRP-OMC 1998-Up, 75 HP-250 HP FFI Outboard Engines, 4-bolt mount, Female Sealed...
    $167.99
    $237.50 $167.99
    Sale
  • ARCO Marine MercuryMariner Outboard Starter 10 Tooth 5375

    ARCO Marine Mercury/Mariner Outboard Starter - 10 Tooth [5375]

    ARCO Marine

    ARCO Marine Mercury/Mariner Outboard Starter - 10 Tooth [5375]

    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...
    $217.99
    $272.26 $217.99
    Sale
  • Balmar Alternator 170 AMP Kit 12V 315 Dual Foot Saddle J10 Pulley Regulator Temp Sensor XTCR170J10KIT

    Balmar Alternator 170 AMP Kit 12V 3.15" Dual Foot Saddle J10 Pulley Regulator Temp Sensor [XT-CR-170-J10-KIT]

    Balmar

    Balmar Alternator 170 AMP Kit 12V 3.15" Dual Foot Saddle J10 Pulley Regulator Temp Sensor [XT-CR-170-J10-KIT]

    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...
    $1,306.99
    $1,490.69 $1,306.99
    Sale
  • ARCO Marine Premium Replacement Alternator wSingle Groove Pulley 12V 70A 20102

    ARCO Marine Premium Replacement Alternator w/Single Groove Pulley - 12V 70A [20102]

    ARCO Marine

    ARCO Marine Premium Replacement Alternator w/Single Groove Pulley - 12V 70A [20102]

    Premium Replacement Alternator with Single Groove Pulley - 12V 70AReplacement alternator that will fit Mercruiser, BRP-OMC, 12 Volt, 70 Amp, Self-exciting, Ignition protection screens, Internal regulator, Negative ground, 1-wire connection,...
    $167.99
    $254.72 $167.99
    Sale
  • ARCO Marine Evinrude Outboard Relay ETEC R767

    ARCO Marine Evinrude Outboard Relay - E-TEC [R767]

    ARCO Marine

    ARCO Marine Evinrude Outboard Relay - E-TEC [R767]

    Evinrude Outboard Relay - E-TECEvinrude outboard relay that will fit Evinrude E-TEC. O/B Tilt /Trim Relay.Replaces:2011-2012 - E-TEC 25, 30, 40, 50, 60, 75, 90, 115, 130, 150, 175, 200,...
    $131.99
    $165.01 $131.99
    Sale
  • ARCO Marine HighPerformance Inboard Starter wGear Reduction Permanent Magnet Clockwise Rotation 23 Fords 70216

    ARCO Marine High-Performance Inboard Starter w/Gear Reduction Permanent Magnet - Clockwise Rotation (2.3 Fords) [70216]

    ARCO Marine

    ARCO Marine High-Performance Inboard Starter w/Gear Reduction Permanent Magnet - Clockwise Rotation (2.3 Fords) [70216]

    High-Performance Inboard Starter with Gear Reduction & Permanent Magnet - Clockwise Rotation (2.3 Fords)The high-performance inboard starter that fits 2.3L Fords. The kit includes a wiring harness to replace the...
    $155.99
    $236.28 $155.99
    Sale
  • ARCO Marine Top Mount Inboard Starter wGear Reduction Counter Clockwise Rotation 30462

    ARCO Marine Top Mount Inboard Starter w/Gear Reduction - Counter Clockwise Rotation [30462]

    ARCO Marine

    ARCO Marine Top Mount Inboard Starter w/Gear Reduction - Counter Clockwise Rotation [30462]

    Top Mount Inboard Starter with Gear Reduction - Counter Clockwise RotationTop mount inboard starter that fits 6.0L GM Engines.ARCO advises using a fully charged battery - A weak battery can...
    $267.99
    $349.94 $267.99
    Sale
  • ARCO Marine MercuryMariner Outboard Starter 8 Tooth 5392

    ARCO Marine Mercury/Mariner Outboard Starter - 8 Tooth [5392]

    ARCO Marine

    ARCO Marine Mercury/Mariner Outboard Starter - 8 Tooth [5392]

    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...
    $222.99
    $276.64 $222.99
    Sale
  • Balmar Offshore Repair Kit AT Series 200AMP 12V Includes Bearings Brushes Rectifier 70AT200

    Balmar Offshore Repair Kit AT Series 200AMP 12V Includes Bearings, Brushes, Rectifier [70-AT-200]

    Balmar

    Balmar Offshore Repair Kit AT Series 200AMP 12V Includes Bearings, Brushes, Rectifier [70-AT-200]

    Offshore Repair Kit AT Series 200AMP 12V Includes Bearings, Brushes, RectifierOffshore Repair Kit, AT Series Alternators, 12V, 200AIncludes: Bearings, Brushes, RectifierThis product may not be returned to the original point...
    $202.00
    $226.00 $202.00
    Sale
  • Balmar Alternator 250 AMP 12V 315 Dual Foot Saddle K6 Pulley XTDF250K6

    Balmar Alternator 250 AMP 12V 3.15" Dual Foot Saddle K6 Pulley [XT-DF-250-K6]

    Balmar

    Balmar Alternator 250 AMP 12V 3.15" Dual Foot Saddle K6 Pulley [XT-DF-250-K6]

    Alternator 250 AMP 12V 3.15" Dual Foot Saddle K6 PulleyAlternator, XT Series, 250A, 12V, Saddle Mount (Dual Foot), 3.15in, K6 Serpentine Pulley, Case GroundHitachi-Style Mounting; Typical for Yanmar, Westerbeke, Lehman...
    $1,230.99
    $1,403.99 $1,230.99
    Sale
  • ARCO Marine Outboard Solenoid fMercuryForce wIsolated Base SW109

    ARCO Marine Outboard Solenoid f/Mercury/Force w/Isolated Base [SW109]

    ARCO Marine

    ARCO Marine Outboard Solenoid f/Mercury/Force w/Isolated Base [SW109]

    Outboard Solenoid for Mercury/Force with Isolated BaseThe outboard solenoid that will fit Mercury /Force, Isolated base, 12 Volt.Replaces:MERCURY 89-817109A1MERCURY 89-817109A2MERCURY 89-817109A3SIERRA 18-5834*ARCO Assurance 12-month part and labor warranty protectionThis product...
    $34.99
    $45.89 $34.99
    Sale
  • ARCO Marine ChryslerForce Outboard Starter 5393

    ARCO Marine Chrysler/Force Outboard Starter [5393]

    ARCO Marine

    ARCO Marine Chrysler/Force Outboard Starter [5393]

    Chrysler/Force Outboard StarterThe outboard starter will fit Chrysler /Force, 70-150 HP, and 9-tooth drive gear. ARCO advises using a fully charged battery - A weak battery can damage the starter and...
    $179.99
    $226.03 $179.99
    Sale
  • Balmar Alternator 120 AMP 12V 4 Dual Foot Saddle K6 Pulley wIsolated Ground 604120K6

    Balmar Alternator 120 AMP 12V 4" Dual Foot Saddle K6 Pulley w/Isolated Ground [604-120-K6]

    Balmar

    Balmar Alternator 120 AMP 12V 4" Dual Foot Saddle K6 Pulley w/Isolated Ground [604-120-K6]

    Alternator 120 AMP 12V 4" Dual Foot Saddle K6 Pulley with Isolated GroundAlternator, 604 Series, 120A, 12V, Saddle Mount (Dual Foot), 4in, K6 Serpentine Pulley, Isolated Ground 4" J-180-Style Mounting;...
    $792.99
    $904.69 $792.99
    Sale
  • ARCO Marine Replacement Outboard Tilt Trim Motor Yamaha4 Bolt 58 Flat Blade Shaft 6258

    ARCO Marine Replacement Outboard Tilt Trim Motor - Yamaha-4 Bolt, 5/8" Flat Blade Shaft [6258]

    ARCO Marine

    ARCO Marine Replacement Outboard Tilt Trim Motor - Yamaha-4 Bolt, 5/8" Flat Blade Shaft [6258]

    Replacement Outboard Tilt Trim Motor - Yamaha-4 Bolt, 5/8" Flat Blade Shaft Replacement outboard tilt trim motor that will fit Yamaha 2005-UP 75 HP 4 Stroke, 2005-UP 90 HP 4...
    $462.99
    $555.21 $462.99
    Sale
  • 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
  • Balmar Alternator 100 AMP Kit 12V 12 Single Foot Spindle Mount K6 Pulley Regulator Temp Sensor 621VUPMC100K6

    Balmar Alternator 100 AMP Kit 12V 1-2" Single Foot Spindle Mount K6 Pulley Regulator Temp Sensor [621-VUP-MC-100-K6]

    Balmar

    Balmar Alternator 100 AMP Kit 12V 1-2" Single Foot Spindle Mount K6 Pulley Regulator Temp Sensor [621-VUP-MC-100-K6]

    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...
    $985.99
    $1,124.89 $985.99
    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 621 Series 120A Kit wMC618 Regulator TSensor K6 Pulley Single Foot Mounting Hardware 621VUPMC120K6

    Balmar 621 Series 120A Kit w/MC-618 Regulator, T-Sensor, K6 Pulley, Single Foot Mounting Hardware [621-VUP-MC-120-K6]

    Balmar

    Balmar 621 Series 120A Kit w/MC-618 Regulator, T-Sensor, K6 Pulley, Single Foot Mounting Hardware [621-VUP-MC-120-K6]

    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...
    $1,068.99
    $1,219.39 $1,068.99
    Sale
  • 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
  • Balmar Alternator 120 AMP Kit 120V 315 Dual Foot Saddle J10 Pulley Regulator Temp Sensor 60YPMC120J10

    Balmar Alternator 120 AMP Kit 120V 3.15" Dual Foot Saddle J10 Pulley Regulator Temp Sensor [60-YP-MC-120-J10]

    Balmar

    Balmar Alternator 120 AMP Kit 120V 3.15" Dual Foot Saddle J10 Pulley Regulator Temp Sensor [60-YP-MC-120-J10]

    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...
    $1,068.99
    $1,219.39 $1,068.99
    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