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Aftermarket Parts

Aftermarket Parts

  • Sierra Switch Oil Pressure 6Psi Trip Op22900
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    Sierra Switch Oil Pressure 6Psi Trip Op22900

    Sierra

    $23.29 $20.99
    Sierra Switch Oil Pressure 6Psi Trip Op22900Used for Electric Fuel Pump Shut Off. Thread size: 1/8" - 27 Terminal type: 10-32 stud
    Part Number:
    11-OP22900
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Set at 6 psi
    $23.29 $20.99
    Add to Cart
  • Sierra Wire 7In Plug Mercury/Force 18-8819-1
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    Sierra Wire 7In Plug Mercury/Force 18-8819-1

    Sierra

    $25.19 $18.99
    Sierra Wire 7In Plug Mercury/Force 18-8819-1Magnetic Suppression Core manufactured for your specific application.Kevlar® core for maximum durability and long lifeDurable stainless steel wound conductor for maximum horsepower and engine...
    Part Number:
    47-88191
    Availability:
    In Stock - Ships same or next business day.
    Application:
    Chrysler/Force/Mercury/Mariner - 7" wire
    $25.19 $18.99
    Add to Cart
  • Sierra Wire Set-Cr 7.4-8.2Xl Str Boot 18-8844-1
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    Sierra Wire Set-Cr 7.4-8.2Xl Str Boot 18-8844-1

    Sierra

    $92.59 $71.20
    Sierra Wire Set-Cr 7.4-8.2Xl Str Boot 18-8844-1Magnetic Suppression Core manufactured for your specific application.Kevlar® core for maximum durability and long lifeDurable stainless steel wound conductor for maximum horsepower and engine...
    Part Number:
    47-88441
    Availability:
    In Stock - Ships same or next business day.
    Application:
    Crusader 454/502 XL Series (straight boot on plug end)
    $92.59 $71.20
    Add to Cart
  • Centek 4" Dynamax Muffler 1005003
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    Centek 4" Dynamax Muffler 1005003

    Centek

    $425.19 $309.99
    Centek 4" Dynamax Muffler 1005003 For use where there is a shortage of space or V Drive applications. For Gas/Diesel fuel type. For above the waterline only.
    Part Number:
    383-1005003
    Availability:
    In Stock - Ships same or next business day.
    Ports:
    4"
    Dia.:
    16-3/4"
    Length:
    6.38"
    $425.19 $309.99
    Add to Cart
  • Centek Elbow - 45 Degree 4" 1200112
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    Centek Elbow - 45 Degree 4" 1200112

    Centek

    $130.19 $98.99
    Centek Elbow - 45 Degree 4" 1200112 These fittings are made of the same fiberglass and fire retardant resins used to make Vernatube. Fittings, couplings and elbows are lightweight, strong, non-corroding and durable.
    Part Number:
    383-1200112
    Availability:
    In Stock - Ships same or next business day.
    OD:
    4"
    Length:
    10-1/4"
    $130.19 $98.99
    Add to Cart
  • CRC Wire Dryer 6oz 5104
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    CRC Wire Dryer 6oz 5104

    CRC

    $19.99
    CRC Wire Dryer 6oz 5104 Starts wet engines and instantly drives out moisture that can cause electrical failure and hard starting. Cleans and weatherproofs all electrical system parts. Waterproof film leaves a fine protective coating on ignition and...
    Part Number:
    77-05104
    Availability:
    In Stock - Ships same or next business day.
    Size:
    6 oz. Aerosol
    $19.99
    Add to Cart
  • GROCO 1/4" NPT Bronze Inline Fuel Valve FV-250
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    GROCO 1/4" NPT Bronze Inline Fuel Valve FV-250

    Groco

    $26.00 $19.99
    1/4" NPT Bronze Inline Fuel Valve Features: Selectable handle rotation Full flow Mount foot included C83600 bronze construction Stainless steel handle and hardware 400 WOG PTFE seats and seals UL listed for fuel or water
    Part Number:
    34-FV250
    Availability:
    In Stock - Ships same or next business day.
    Thread NPT:
    1/4"
    A:
    4.1
    B:
    2.22
    C:
    1.54
    D:
    1.77
    $26.00 $19.99
    Add to Cart
  • Martyr Anodes 1 1/4 Magnesium Shaft Anode Cmx05M
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    Martyr Anodes 1 1/4 Magnesium Shaft Anode Cmx05M

    Martyr Anodes

    $28.59 $19.99
    Martyr Anodes 1 1/4 Magnesium Shaft Anode Cmx05M Aluminum for salt and brackish waterMagnesium for fresh waterZinc for salt water
    Part Number:
    194-CMX05M
    Availability:
    In Stock - Ships same or next business day.
    ID:
    1-1/4"
    OD:
    2-1/2"
    Length:
    2-1/2"
    Material:
    Magnesium
    $28.59 $19.99
    Add to Cart
  • Martyr Anodes 1 Zinc Shaft Anode Cmx03
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    Martyr Anodes 1 Zinc Shaft Anode Cmx03

    Martyr Anodes

    $11.79 $10.99
    Martyr Anodes 1 Zinc Shaft Anode Cmx03 Aluminum for salt and brackish waterMagnesium for fresh waterZinc for salt water
    Part Number:
    194-CMX03
    Availability:
    In Stock - Ships same or next business day.
    ID:
    1"
    OD:
    2-1/8"
    Length:
    2-1/8"
    Material:
    Zinc
    $11.79 $10.99
    Add to Cart
  • Racor Element-Replacement 500 Turbine 30M 2010Pmor
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    Racor Element-Replacement 500 Turbine 30M 2010Pmor

    Racor

    $19.99 $12.91
    Racor Element-Replacement 500 Turbine 30M 2010PmorWaterproof, rustproof, dirtproof. Engineered to repel water and remove solid contaminants before they can damage precision engine components. Racor Aquabloc elements are available in different lengths for...
    Part Number:
    62-2010PMOR
    Availability:
    In Stock - Ships same or next business day.
    Micron:
    30
    End Cap:
    Red
    Fits:
    500
    $19.99 $12.91
    Add to Cart
  • Seachoice Oil Change Pump 19181
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    Seachoice Oil Change Pump 19181

    Seachoice

    $34.65 $26.37
    Seachoice Oil Change Pump 19181 For emptying oil from inboard and I/O enginesMade of solid brass with removable tubing for ease of operation and cleaning.
    Part Number:
    50-19181
    Availability:
    In Stock - Ships same or next business day.
    $34.65 $26.37
    Add to Cart
  • Sold Out, please call for ETA.
    Seastar Helm-Seastar 1.7 Classic Tilt Hh6541-3

    Seastar Helm-Seastar 1.7 Classic Tilt Hh6541-3

    Seastar

    $1,305.59 $1,124.43
    Seastar Helm-Seastar 1.7 Classic Tilt Hh6541-3 Unsurpassed performance and flexibility with smooth operation and feel, 48&deg, of tilt and 5 lock positions. Fits most styled and formed dashes. Preloaded dual taper bearings ensure minimal excess free...
    Part Number:
    1-HH65413
    Availability:
    In Stock - Ships same or next business day.
    Model:
    1.7
    $1,305.59 $1,124.43
    Sold out - Special order may be available, please call 856-232-6969 ext1
  • Seastar OMC 400 Control Cable CC170
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    Seastar OMC 400 Control Cable CC170

    Seastar

    $49.49 $41.25
    Seastar OMC 400 Control Cable CC170 Stainless steel and brass fittings with stainless steel core. Fits pre-1979 OMC/Johnson/Evinrude w/BRP/OMC controls.
    Part Number:
    NW-1CC170
    Availability:
    In Stock - Ships same or next business day.
    $49.49 $41.25
    Choose Options

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.