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Aftermarket Parts

Aftermarket Parts

  • Seachoice Fuel Conn Fem Yam/Merc/Mar 20671

    Seachoice Fuel Conn Fem Yam/Merc/Mar 20671

    Seachoice

    $8.65 $6.54
    Seachoice Fuel Conn Fem Yam/Merc/Mar 20671 Precision engineered fuel connectors
    Part Number:
    50-20671
    Availability:
    In Stock - Ships same or next business day.
    Connector:
    Hose Fitting - Female
    Fits:
    Yamaha/Mercury/Mariner
    Material:
    Hi-Impact Nylon
    Thread:
    -
    Hose:
    3/8" Barb
    $8.65 $6.54
  • Seachoice Fuel Conn Merc Fm Tank Side 50-20531

    Seachoice Fuel Conn Merc Fm Tank Side 50-20531

    Seachoice

    $10.20 $8.99
    Seachoice Fuel Conn Merc Fm Tank Side 50-20531 Precision engineered fuel connectors
    Part Number:
    50-20531
    Availability:
    In Stock - Ships same or next business day.
    Connector:
    Tank Fitting - Female
    Fits:
    Mercury/Mariner
    Material:
    Hi-Impact Nylon
    Type:
    Deluxe
    Thread:
    -
    Hose:
    3/8" Barb
    $10.20 $8.99
  • Seachoice Fuel Conn-Chry Female 3/8 20701

    Seachoice Fuel Conn-Chry Female 3/8 20701

    Seachoice

    $18.26 $14.99
    Seachoice Fuel Conn-Chry Female 3/8 20701 Precision engineered fuel connectors
    Part Number:
    50-20701
    Availability:
    In Stock - Ships same or next business day.
    Connector:
    Hose Fitting - Female
    Fits:
    Chrysler/Force
    Material:
    CP Brass
    Type:
    Deluxe
    Thread:
    -
    Hose:
    3/8" Barb
    $18.26 $14.99
  • Seachoice Fuel Conn-Honda-Fem 3/8-Barb 20441

    Seachoice Fuel Conn-Honda-Fem 3/8-Barb 20441

    Seachoice

    $13.57 $10.99
    Seachoice Fuel Conn-Honda-Fem 3/8-Barb 20441 Precision engineered fuel connectors
    Part Number:
    50-20441
    Availability:
    In Stock - Ships same or next business day.
    Connector:
    Hose Fitting - Female
    Fits:
    Honda
    Material:
    Hi-Impact Nylon
    Type:
    Deluxe
    Thread:
    -
    Hose:
    3/8" Barb
    $13.57 $10.99
  • Seachoice Fuel Conn-Honda-Male 1/4" Npt 20481

    Seachoice Fuel Conn-Honda-Male 1/4" Npt 20481

    Seachoice

    $9.99 $6.74
    Seachoice Fuel Conn-Honda-Male 1/4" Npt 20481 Precision engineered fuel connectors
    Part Number:
    50-20481
    Availability:
    In Stock - Ships same or next business day.
    Connector:
    Tank Fitting - Male
    Fits:
    Honda
    Material:
    CP Brass
    Type:
    Deluxe
    Thread:
    1/4" NPT
    Hose:
    -
    $9.99 $6.74
  • Seachoice Fuel Conn-Merc Female 3/8 20601

    Seachoice Fuel Conn-Merc Female 3/8 20601

    Seachoice

    $11.60 $8.69
    Seachoice Fuel Conn-Merc Female 3/8 20601 Precision engineered fuel connectors
    Part Number:
    50-20601
    Availability:
    In Stock - Ships same or next business day.
    Connector:
    Hose Fitting - Female
    Fits:
    Mercury/Mariner
    Material:
    Hi-Impact Nylon
    Type:
    Deluxe
    Thread:
    -
    Hose:
    3/8" Barb
    $11.60 $8.69
  • Seachoice Merc/Mar/Yam Tank Fitting-1/4 20591

    Seachoice Merc/Mar/Yam Tank Fitting-1/4 20591

    Seachoice

    $16.20 $11.64
    Seachoice Merc/Mar/Yam Tank Fitting-1/4 20591 Precision engineered fuel connectors
    Part Number:
    50-20591
    Availability:
    In Stock - Ships same or next business day.
    Connector:
    Tank Fitting - Male
    Fits:
    Mercury/Mariner ('98 & Newer)
    Material:
    Hi-Impact Nylon
    Thread:
    1/4" NPT
    Hose:
    -
    $16.20 $11.64
  • Seachoice Reed Switch 150Mm 13" 50-15556

    Seachoice Reed Switch 150Mm 13" 50-15556

    Seachoice

    $140.58 $79.99
    Seachoice Reed Switch 150Mm 13" 50-15556 Compatible with most fuel gauges on the market today, with 33 (full) and 240 (empty) ohm gauges, and no moving mechanical parts makes them extremely durableOur senders feature stainless steel immersion tubes,...
    Part Number:
    50-15556
    Availability:
    In Stock - Ships same or next business day.
    Length:
    13"
    $140.58 $79.99
  • Sold Out, please call for ETA.
    Special Order! See availaility for details
    Seachoice Reed Switch 200Mm 8 50-15541

    Seachoice Reed Switch 200Mm 8 50-15541

    Seachoice

    $81.42 $52.99
    Seachoice Reed Switch 200Mm 8 50-15541 Compatible with most fuel gauges on the market today, with 33 (full) and 240 (empty) ohm gauges, and no moving mechanical parts makes them extremely durableOur senders feature stainless steel immersion tubes,...
    Part Number:
    50-15541
    Availability:
    In Stock - Ships same or next business day.
    Length:
    8"
  • Seachoice Self Priming Pump 19141

    Seachoice Self Priming Pump 19141

    Seachoice

    $25.16 $19.99
    Seachoice Self Priming Pump 19141 Just shake end with glass ball while in tank to be drainedPut other end of hose in tank to be filledIdeal for transferring liquids (fuel, water, etc.) Anti-static for transferring fuel.
    Part Number:
    50-19141
    Availability:
    In Stock - Ships same or next business day.
    Size:
    1/2" x 6'
    $25.16 $19.99
  • Seachoice Square Hour Meter-Black Bezel 15321

    Seachoice Square Hour Meter-Black Bezel 15321

    Seachoice

    $53.07 $44.99
    Seachoice Square Hour Meter-Black Bezel 15321 High impact polycarbonate caseSelf-lubricating parts, increases shelf life, reduces frictionPolarity insensitivity prevents installation errorsU-bracket mounting4V to 50V DCMeets NEMA and SAE specifications.
    Part Number:
    50-15321
    Availability:
    In Stock - Ships same or next business day.
    Finish:
    Rectangular
    $53.07 $44.99
  • Seachoice SS Destroyer Steering Wheel 28541

    Seachoice SS Destroyer Steering Wheel 28541

    Seachoice

    $167.98 $123.35
    Seachoice SS Destroyer Steering Wheel 28541 5 spoke for sturdy trouble free operation • Diameter - 15" • Dish - 25°, • Fits standard 3/4" tapered shaft • All welded and polished 304 stainless...
    Part Number:
    50-28541
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Stainless Steel with turning knob & black center cap
    $167.98 $123.35
  • Seachoice SS Steering Guard-1 28261

    Seachoice SS Steering Guard-1 28261

    Seachoice

    $43.24 $29.21
    Seachoice SS Steering Guard-1 28261 The Steering Guard should be installed on all cable and side-mounted hydraulic steering systems to lubricate, clean and seal the systemWill more than double the life of a new cable systemMade of stainless steelInstalls...
    Part Number:
    50-28261
    Availability:
    In Stock - Ships same or next business day.
    Size:
    1"
    $43.24 $29.21
  • Seachoice SS Steering Guard-7/8 28251

    Seachoice SS Steering Guard-7/8 28251

    Seachoice

    $43.24 $29.78
    Seachoice SS Steering Guard-7/8 28251 The Steering Guard should be installed on all cable and side-mounted hydraulic steering systems to lubricate, clean and seal the systemWill more than double the life of a new cable systemMade of stainless...
    Part Number:
    50-28251
    Availability:
    In Stock - Ships same or next business day.
    Size:
    7/8"
    $43.24 $29.78
  • Seachoice Suzuki 90-140 - Aluminum 50-95431

    Seachoice Suzuki 90-140 - Aluminum 50-95431

    Seachoice

    $45.91 $30.01
    Seachoice Suzuki 90-140 - Aluminum 50-95431 Cadmium free, environmentally friendly. • Aluminum: For salt and brackish waterConform to: Mil-Spec A-24779(SH)  • Magnesium: For freshwater onlyConform to: Mil-Spec...
    Part Number:
    50-95431
    Availability:
    In Stock - Ships same or next business day.
    Fits:
    90-140 HP
    Material:
    Aluminum
    $45.91 $30.01

Aftermarket Boat Parts & Marine Engine Supplies

Looking for dependable aftermarket boat parts? PowerBoatSupply.com carries a wide selection of aftermarket marine parts, engine supplies, oils, fuel components, steering parts, anodes, tools, and maintenance essentials for boat owners and marine professionals.

Whether you're handling routine service, replacing worn components, or stocking up for the season, our aftermarket parts selection helps keep your boat running smoothly and reliably.

Marine Engine Parts & Maintenance Essentials

Keep your motor protected and performing with key maintenance categories like engine parts, motor oil, marine oil systems and accessories, and lubricants, fluids and sealants.

  • Engine Parts – Replacement components for service and repair
  • Motor Oil – Marine-grade oils for routine maintenance
  • Oil Systems & Accessories – Helpful products for oil changes and upkeep
  • Lubricants, Fluids & Sealants – Protect, seal, and maintain marine systems

Fuel, Steering & Control Parts

Reliable fuel delivery and responsive steering are critical on the water. Browse marine fuel parts and steering and controls to help maintain safer handling, smoother operation, and dependable performance.

  • Fuel Parts – Components for reliable fuel system performance
  • Steering & Controls – Parts that help improve control and handling
  • Engine Instruments – Monitor key systems while underway
  • Engine Tools – Tools for maintenance, repair, and service work

Anodes, Instruments & Service Tools

Small parts can make a big difference in long-term protection and performance. Shop marine anodes, engine instruments, and engine tools to help protect your boat, monitor performance, and complete service work more efficiently.

  • Anodes – Help protect metal components from corrosion
  • Engine Instruments – Gauges and monitoring products for marine engines
  • Engine Tools – Service tools for DIY boaters and marine technicians
  • Maintenance Supplies – Everyday essentials for seasonal upkeep

Yamaha Oil Change Kits & Routine Service Products

Staying ahead of routine service is one of the best ways to protect your investment. PowerBoatSupply.com also carries Yamaha oil change kits and other service products that make maintenance easier and more convenient.

  • Oil Change Kits – Convenient service kits for scheduled maintenance
  • Marine Oils – Protect engines under real boating conditions
  • Sealants & Fluids – Support repairs, installs, and regular service
  • Tools & Accessories – Make maintenance faster and cleaner

Why Buy Aftermarket Marine Parts from PowerBoatSupply.com?

PowerBoatSupply.com helps boat owners find reliable parts and maintenance products without the guesswork. From routine oil service to engine repair, fuel system work, corrosion protection, and steering maintenance, our aftermarket category is built to support the jobs boaters handle every season.

  • Wide selection of aftermarket boat parts and marine supplies
  • Products for DIY boat owners and marine professionals
  • Helpful categories for seasonal service and repairs
  • Fast shipping and dependable support

Shop aftermarket boat parts today and get the engine parts, oils, fuel components, steering supplies, anodes, tools, and maintenance products you need to keep your boat ready for the water.