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

  • ARCO Marine Mercruiser Tilt Trim Reservoir Kit M525

    ARCO Marine Mercruiser Tilt Trim Reservoir Kit [M525]

    ARCO Marine

    ARCO Marine Mercruiser Tilt Trim Reservoir Kit [M525]

    Mercruiser Tilt Trim Reservoir KitTilt trim reservoir kit that will fit ARCO 6275 Tilt Motor. Replaces Mercruiser. Includes Reservoir, cap, O-rings, and mounting screws.Replaces:Mercury Marine 18525A1*ARCO Assurance 12-month part and...
    $39.99
    $51.82 $39.99
    Sale
  • Flushmaster Flush Port Quick Connect fSuzuki Outboards SMFMQCS

    Flushmaster Flush Port Quick Connect f/Suzuki Outboards [SM-FMQCS]

    Flushmaster

    Flushmaster Flush Port Quick Connect f/Suzuki Outboards [SM-FMQCS]

    Flush Port Quick Connect for Suzuki OutboardsStop screwing around. Flush Port Quick Connects for Suzuki outboards provide a simple, secure solution for efficient engine flushing. Designed as a permanent replacement...
    $79.99
    $0.00 $79.99
  • Flushmaster Flush Port Quick Connect fYamaha Outboards SMFMQCY

    Flushmaster Flush Port Quick Connect f/Yamaha Outboards [SM-FMQCY]

    Flushmaster

    Flushmaster Flush Port Quick Connect f/Yamaha Outboards [SM-FMQCY]

    Flush Port Quick Connect for Yamaha OutboardsStop screwing around. Flush Port Quick Connects for Yamaha outboards provide a simple, secure solution for efficient engine flushing. Designed as a permanent replacement...
    $49.99
    $0.00 $49.99
  • Balmar Alternator 250 AMP 12V 315 Dual Foot Saddle J10 Pulley XTDF250J10

    Balmar Alternator 250 AMP 12V 3.15" Dual Foot Saddle J10 Pulley [XT-DF-250-J10]

    Balmar

    Balmar Alternator 250 AMP 12V 3.15" Dual Foot Saddle J10 Pulley [XT-DF-250-J10]

    Alternator 250 AMP 12V 3.15" Dual Foot Saddle J10 PulleyAlternator, XT Series, 250A, 12V, Saddle Mount (Dual Foot), 3.15in, J10 AltMount Serpentine Pulley, Case GroundHitachi-Style Mounting; Typical for Yanmar, Westerbeke,...
    $1,230.99
    $1,403.99 $1,230.99
    Sale
  • Balmar Alternator 100 AMP 12V 12 Single Foot Spindle Mount K6 Pulley wIsolated Ground 621100K6

    Balmar Alternator 100 AMP 12V 1-2" Single Foot Spindle Mount K6 Pulley w/Isolated Ground [621-100-K6]

    Balmar

    Balmar Alternator 100 AMP 12V 1-2" Single Foot Spindle Mount K6 Pulley w/Isolated Ground [621-100-K6]

    Alternator 100 AMP 12V 1-2" Single Foot Spindle Mount K6 Pulley with Isolated GroundAlternator, 621 Series, 100A, 12V, Spindle Mount (Single Foot), 1-2in, K6 Serpentine Pulley, Isolated Ground 1" Motorola-Style...
    $732.99
    $836.89 $732.99
    Sale
  • 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 Temp Sensor Battery 30 MCTSB30

    Balmar Temp Sensor Battery - 30 [MC-TS-B30]

    Balmar

    Balmar Temp Sensor Battery - 30 [MC-TS-B30]

    Temp Sensor Battery - 30'Temperature Sensor, Battery - 30' LengthThis product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or...
    $57.99
    $66.19 $57.99
    Sale
  • Balmar Alternator Protection Module APM24 24V APM24

    Balmar Alternator Protection Module APM24 - 24V [APM-24]

    Balmar

    Balmar Alternator Protection Module APM24 - 24V [APM-24]

    Alternator Protection Module APM24 - 24VAlternators can be subjected to voltage spikes caused by lithium battery shutdowns, intermittent connections, and other over-voltage events.  Balmar has introduced a robust Alternator Protection...
    $96.99
    $110.29 $96.99
    Sale
  • Balmar Temperature Sensor Alternator 80 Length MCTSA80

    Balmar Temperature Sensor Alternator - 80" Length [MC-TS-A80]

    Balmar

    Balmar Temperature Sensor Alternator - 80" Length [MC-TS-A80]

    Temperature Sensor Alternator - 80" LengthIntended for longer runs when the standard 54" Alternator Temp Sensor (PN: MC-TS-A) is insufficient.This product may not be returned to the original point of...
    $43.99
    $50.79 $43.99
    Sale
  • Balmar Centerfielder II 1224V wWires 2 Engines 1 Bank CFII1224

    Balmar Centerfielder II 12/24V w/Wires - 2 Engines, 1 Bank [CFII-12/24]

    Balmar

    Balmar Centerfielder II 12/24V w/Wires - 2 Engines, 1 Bank [CFII-12/24]

    Centerfielder II 12/24V with Wires - 2 Engines, 1 BankCenterfielder II, 12/24V, with WiresFor Managing Twin Engine Charging to a Single Battery BankThis product may not be returned to the...
    $238.99
    $272.19 $238.99
    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 Temp Sensor Alternator 54 Length MCTSA

    Balmar Temp Sensor Alternator - 54" [MC-TS-A]

    Balmar

    Balmar Temp Sensor Alternator - 54" [MC-TS-A]

    Temp Sensor Alternator - 54"Temperature Sensor, Alternator - 54" LengthThis product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or...
    $41.99
    $47.49 $41.99
    Sale
  • Balmar Alternator 12 Single Foot K6 Serpentine Pulley Regulator Temp Sensor 170A Kit 12V XTSF170K6KIT

    Balmar Alternator 1-2" Single Foot K6 Serpentine Pulley Regulator Temp Sensor - 170A Kit - 12V [XT-SF-170-K6-KIT]

    Balmar

    Balmar Alternator 1-2" Single Foot K6 Serpentine Pulley Regulator Temp Sensor - 170A Kit - 12V [XT-SF-170-K6-KIT]

    Alternator 1-2" Single Foot K6 Serpentine Pulley Regulator & Temp Sensor - 170A Kit - 12VBalmar offers a wide range of alternator power upgrades designed specifically for marine industry applications....
    $1,306.99
    $1,490.69 $1,306.99
    Sale
  • Balmar 621 Series Alternator Spindle MountSingle Foot 100A 12V 621100SV

    Balmar 621 Series Alternator - Spindle Mount(Single Foot) - 100A - 12V [621-100-SV]

    Balmar

    Balmar 621 Series Alternator - Spindle Mount(Single Foot) - 100A - 12V [621-100-SV]

    621 Series Alternator - Spindle Mount(Single Foot) - 100A - 12VFeatures: 100A 12V Spindle Mount (Single Foot) 1-2"  Single Deep Vee Pulley Isolated Ground 1″ Motorola-Style Mounting;  Typical for Westerbeke,...
    $732.99
    $836.89 $732.99
    Sale
  • Trident Marine 2 ExtraFlex Corrugated Marine Wet Exhaust Hose Sold by the Foot 252F2006FT

    Trident Marine 2" Extra-Flex Corrugated Marine Wet Exhaust Hose - Sold by the Foot [252F-2006-FT]

    Trident Marine

    Trident Marine 2" Extra-Flex Corrugated Marine Wet Exhaust Hose - Sold by the Foot [252F-2006-FT]

    2" Extra-Flex Corrugated Marine Wet Exhaust Hose - Sold by the FootTrident Extra-Flex corrugated marine wet exhaust hose with EXTRA flexibility for easier installations on tight bends for longer connections....
    $25.99
    $29.99 $25.99
    Sale
  • Balmar Temp Sensor Battery 20 MCTSB

    Balmar Temp Sensor Battery - 20 [MC-TS-B]

    Balmar

    Balmar Temp Sensor Battery - 20 [MC-TS-B]

    Temp Sensor Battery - 20'Temperature Sensor, Battery - 20' LengthThis product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or...
    $51.99
    $59.59 $51.99
    Sale
  • Regitar USA Idle Air Control fVolvo Penta 43L 6cyl 7481L V8 GM Volvo OS Gasoline Engines RMS002

    Regitar USA Idle Air Control f/Volvo Penta 4.3L 6-cyl | 7.4-8.1L V8 GM Volvo OS Gasoline Engines [RMS002]

    Regitar U.S.A.

    Regitar USA Idle Air Control f/Volvo Penta 4.3L 6-cyl | 7.4-8.1L V8 GM Volvo OS Gasoline Engines [RMS002]

    Idle Air Control for Volvo Penta 4.3L 6-cyl | 7.4-8.1L V8 GM & Volvo OS Gasoline EnginesIdle Air Control for Volvo Penta 4.3L 6-cyl | 7.4-8.1L V8 GM & Volvo...
    $106.99
    $164.99 $106.99
    Sale
  • Trident Marine 8 ID 45Degree EPDM Black Rubber Molded Wet Exhaust Elbow w4 TBolt Clamps TRL845SS

    Trident Marine 8" ID 45-Degree EPDM Black Rubber Molded Wet Exhaust Elbow w/4 T-Bolt Clamps [TRL-845-S/S]

    Trident Marine

    Trident Marine 8" ID 45-Degree EPDM Black Rubber Molded Wet Exhaust Elbow w/4 T-Bolt Clamps [TRL-845-S/S]

    8" 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...
    $211.99
    $329.58 $211.99
    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
  • Trident Marine 8 ID Blue Silicone Molded Wet Exhaust Hump w4 TBolt Clamp 270V8000SS

    Trident Marine 8" ID Blue Silicone Molded Wet Exhaust Hump w/4 T-Bolt Clamp [270V8000-S/S]

    Trident Marine

    Trident Marine 8" ID Blue Silicone Molded Wet Exhaust Hump w/4 T-Bolt Clamp [270V8000-S/S]

    8" ID Blue Silicone Molded Wet Exhaust Hump with 4 T-Bolt ClampThis silicone and rubber hump hose provides the ultimate flexible connector for marine wet exhaust systems. The hump hose...
    $184.99
    $286.75 $184.99
    Sale
  • ARCO Marine Zeus A225OB12V High Output Outboard Alternator Engineered Kit 40471

    ARCO Marine Zeus A225OB-12V High Output Outboard Alternator Engineered Kit [40471]

    ARCO Marine

    ARCO Marine Zeus A225OB-12V High Output Outboard Alternator Engineered Kit [40471]

    Zeus A225OB-12V High Output Outboard Alternator Engineered KitKit includes everything needed for Verado applications: alternator, alternator positive fuse link wire, alternator ground wire, battery sense wire, and OEM replacement alternator...
    $1,049.00
    $1,199.00 $1,049.00
    Sale
  • STABIL Fuel Stabilizer 16oz Case of 12 22207CASE

    STA-BIL Fuel Stabilizer - 16oz *Case of 12* [22207CASE]

    STA-BIL

    STA-BIL Fuel Stabilizer - 16oz *Case of 12* [22207CASE]

    Fuel Stabilizer - 16oz *Case of 12*AMERICA’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...
    $111.99
    $155.88 $111.99
    Sale
  • Trident Marine Stainless Steel Constant Torque Clamp 58 Band Hose ID 4 Hose OD 425 TO 5125 7304000

    Trident Marine Stainless Steel Constant Torque Clamp 5/8" Band, Hose I.D. - 4", Hose O.D. - 4.25" TO 5.125" [730-4000]

    Trident Marine

    Trident Marine Stainless Steel Constant Torque Clamp 5/8" Band, Hose I.D. - 4", Hose O.D. - 4.25" TO 5.125" [730-4000]

    Stainless Steel Constant Torque Clamp 5/8" Band, Hose I.D. - 4", Hose O.D. - 4.25" TO 5.125"Virtually all rubber hose compresses (cold flow) after installation of a clamping device, resulting...
    $15.99
    $24.76 $15.99
    Sale
  • ARCO Marine Premium Replacement Ignition Coil fMercury Outboard Engines 20042008 IG011

    ARCO Marine Premium Replacement Ignition Coil f/Mercury Outboard Engines 2004-2008 [IG011]

    ARCO Marine

    ARCO Marine Premium Replacement Ignition Coil f/Mercury Outboard Engines 2004-2008 [IG011]

    Premium Replacement Ignition Coil for Mercury Outboard Engines 2004-2008This ignition coil fits 2004-2008 (75,90,115 PRO XS, & 125HP – 3 Cyl. DFI), 2008 – Up (200-250 DFI,200 JET & 200...
    $104.99
    $148.93 $104.99
    Sale