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 Premium Replacement Inboard Alternator w55mm MultiGroove Pulley 12V 65A 60073

    ARCO Marine Premium Replacement Inboard Alternator w/55mm Multi-Groove Pulley - 12V 65A [60073]

    ARCO Marine

    ARCO Marine Premium Replacement Inboard Alternator w/55mm Multi-Groove Pulley - 12V 65A [60073]

    Premium Replacement Inboard Alternator with 55mm Multi-Groove Pulley - 12V 65AReplacement alternator that will fit Late model Volvo Penta, 12 Volt, 75 Amp, 50-mm multi-groove serpentine pulley included.Features: All alternators...
    $215.99
    $322.97 $215.99
    Sale
  • Balmar Alternator 100 AMP Kit 12V 315 Dual Foot Saddle K6 Pulley Regulator Temp Sensor 60YPMC100K6

    Balmar Alternator 100 AMP Kit 12V 3.15" Dual Foot Saddle K6 Pulley Regulator Temp Sensor [60-YP-MC-100-K6]

    Balmar

    Balmar Alternator 100 AMP Kit 12V 3.15" Dual Foot Saddle K6 Pulley Regulator Temp Sensor [60-YP-MC-100-K6]

    Alternator 100 AMP Kit 12V 3.15" Dual Foot Saddle K6 Pulley Regulator & Temp SensorKit Includes: a 60-100-K6 Alternator, MC-618 Regulator, Temperature Sensors, Mounting Hardware60-100-K6 Alternator: 100A, 12V, Saddle Mount...
    $985.99
    $1,124.89 $985.99
    Sale
  • Balmar Alternator 120 AMP 12V 12 Single Foot Spindle Mount J10 Pulley wIsolated Ground 621120J10

    Balmar Alternator 120 AMP 12V 1-2" Single Foot Spindle Mount J10 Pulley w/Isolated Ground [621-120-J10]

    Balmar

    Balmar Alternator 120 AMP 12V 1-2" Single Foot Spindle Mount J10 Pulley w/Isolated Ground [621-120-J10]

    Alternator 120 AMP 12V 1-2" Single Foot Spindle Mount J10 Pulley with Isolated GroundAlternator, 621 Series, 120A, 12V, Spindle Mount (Single Foot), 1-2in, J10 AltMount Serpentine Pulley, Isolated Ground 1"...
    $792.99
    $904.69 $792.99
    Sale
  • Balmar Alternator 150 AMP 12V 4 Dual Foot Saddle K6 Pulley wIsolated Ground 604150K6

    Balmar Alternator 150 AMP 12V 4" Dual Foot Saddle K6 Pulley w/Isolated Ground [604-150-K6]

    Balmar

    Balmar Alternator 150 AMP 12V 4" Dual Foot Saddle K6 Pulley w/Isolated Ground [604-150-K6]

    Alternator 150 AMP 12V 4" Dual Foot Saddle K6 Pulley with Isolated GroundAlternator, 604 Series, 150A, 12V, Saddle Mount (Dual Foot), 4in, K6 Serpentine Pulley, Isolated Ground 4" J-180-Style Mounting;...
    $904.00
    $1,011.00 $904.00
    Sale
  • ARCO Marine JohnsonEvinrude Outboard Starter 9 Tooth Early Model 5370

    ARCO Marine Johnson/Evinrude Outboard Starter - 9 Tooth (Early Model) [5370]

    ARCO Marine

    ARCO Marine Johnson/Evinrude Outboard Starter - 9 Tooth (Early Model) [5370]

    Johnson/Evinrude Outboard Starter - 9 Tooth (Early Model)The outboard starter will fit BRP-OMC 55-75 HP, 3-cyl, 9-tooth drive gear.ARCO advises using a fully charged battery - A weak battery can...
    $195.99
    $242.88 $195.99
    Sale
  • Balmar Alternator 120 AMP Kit 12V 315 Dual Foot Saddle Dual Vee Pulley Regulator Temp Sensor 60YPMC120DV

    Balmar Alternator 120 AMP Kit 12V 3.15" Dual Foot Saddle Dual Vee Pulley Regulator Temp Sensor [60-YP-MC-120-DV]

    Balmar

    Balmar Alternator 120 AMP Kit 12V 3.15" Dual Foot Saddle Dual Vee Pulley Regulator Temp Sensor [60-YP-MC-120-DV]

    Alternator 120 AMP Kit 12V 3.15" Dual Foot Saddle Dual Vee Pulley Regulator & Temp SensorKit Includes: a 60-120-DV Alternator, MC-618 Regulator, Temperature Sensors, Mounting Hardware60-120-DV Alternator: 120A, 12V, Saddle...
    $1,068.99
    $1,219.39 $1,068.99
    Sale
  • ARCO Marine Heavy Duty Current Model Mercruiser Solenoid wRaised Isolated Base SW058HD

    ARCO Marine Heavy Duty Current Model Mercruiser Solenoid w/Raised Isolated Base [SW058HD]

    ARCO Marine

    ARCO Marine Heavy Duty Current Model Mercruiser Solenoid w/Raised Isolated Base [SW058HD]

    Heavy Duty Current Model Mercruiser Solenoid with Raised Isolated BaseHeavy duty Mercruiser solenoid that will fit Mercruiser and Mercury, Isolated base, 12 Volt.Replaces:MERCURY 89-846070HDMERCURY 89-94318HD*ARCO Assurance 12-month part and labor...
    $27.99
    $37.55 $27.99
    Sale
  • Balmar Alternator 170 AMP 12V 315 Dual Foot Saddle K6 Pulley XTCR170K6

    Balmar Alternator 170 AMP 12V 3.15" Dual Foot Saddle K6 Pulley [XT-CR-170-K6]

    Balmar

    Balmar Alternator 170 AMP 12V 3.15" Dual Foot Saddle K6 Pulley [XT-CR-170-K6]

    Alternator 170 AMP 12V 3.15" Dual Foot Saddle K6 PulleyAlternator, XT Series, 170A, 12V, Saddle Mount (Dual Foot), 3.15in, K6 Serpentine Pulley, Case GroundHitachi-Style Mounting; Typical for Yanmar, Westerbeke, Lehman...
    $1,002.99
    $1,143.99 $1,002.99
    Sale
  • ARCO Marine Replacement Outboard Tilt Trim Motor Late Model Mercury 2Wire 6250

    ARCO Marine Replacement Outboard Tilt Trim Motor - Late Model Mercury, 2-Wire [6250]

    ARCO Marine

    ARCO Marine Replacement Outboard Tilt Trim Motor - Late Model Mercury, 2-Wire [6250]

    Replacement Outboard Tilt Trim Motor - Late Model Mercury, 2-Wire Replacement outboard tilt trim motor that will fit late model Mercury 135, 150 XR6, Magnum lll, 175, 200, 225, 250...
    $264.99
    $330.23 $264.99
    Sale
  • ARCO Marine Current Model Mercruiser Solenoid wRaised Isolated Base SW058

    ARCO Marine Current Model Mercruiser Solenoid w/Raised Isolated Base [SW058]

    ARCO Marine

    ARCO Marine Current Model Mercruiser Solenoid w/Raised Isolated Base [SW058]

    Current Model Mercruiser Solenoid with Raised Isolated BaseMercruiser solenoid that will fit Mercruiser and Mercury, Isolated base, 12 Volt.Replaces:MERCURY 8M0123161MERCURY 89-846070MERCURY 89-94318MERCURY 89-96158MERCURY 89-96158T*ARCO Assurance 12-month part and labor warranty...
    $22.99
    $29.80 $22.99
    Sale
  • Balmar Alternator 100 AMP 12V 12 Single Foot Spindle Mount J10 Pulley wIsolated Ground 621100J10

    Balmar Alternator 100 AMP 12V 1-2" Single Foot Spindle Mount J10 Pulley w/Isolated Ground [621-100-J10]

    Balmar

    Balmar Alternator 100 AMP 12V 1-2" Single Foot Spindle Mount J10 Pulley w/Isolated Ground [621-100-J10]

    Alternator 100 AMP 12V 1-2" Single Foot Spindle Mount J10 Pulley with Isolated GroundAlternator, 621 Series, 100A, 12V, Spindle Mount (Single Foot), 1-2in, J10 AltMount Serpentine Pulley, Isolated Ground 1"...
    $732.99
    $836.89 $732.99
    Sale
  • ARCO Marine Replacement JohnsonEvinrude Tilt Trim Motor 2Wire 4 Bolt Flat Blade Shaft 6241

    ARCO Marine Replacement Johnson/Evinrude Tilt Trim Motor - 2-Wire, 4 Bolt, Flat Blade Shaft [6241]

    ARCO Marine

    ARCO Marine Replacement Johnson/Evinrude Tilt Trim Motor - 2-Wire, 4 Bolt, Flat Blade Shaft [6241]

    Replacement Johnson/Evinrude Tilt Trim Motor - 2-Wire, 4 Bolt, Flat Blade Shaft Replacement outboard tilt trim motor that will fit BRP-OMC, 60, 70, 90, 115, 150, 175 HP. 1991-Up 200,...
    $194.99
    $242.93 $194.99
    Sale
  • 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
  • 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 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
  • 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