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Aftermarket Parts

Aftermarket Parts

  • Martyr Anodes Rud Anode Cmr1 1-7/8 Cmr01M
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    Martyr Anodes Rud Anode Cmr1 1-7/8 Cmr01M

    Martyr Anodes

    $12.59 $7.99
    Martyr Anodes Rud Anode Cmr1 1-7/8 Cmr01M Zinc: For use in salt waterAluminum: For use in brackish waterMagnesium: For use in fresh water
    Part Number:
    194-CMR01M
    Availability:
    In Stock - Ships same or next business day.
    Size:
    1-7/8" dia. x 1/4"
    Material:
    Magnesium
    $12.59 $7.99
    Add to Cart
  • NGK Spark Plugs Bkr7Eku Spark Plug 5881
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    NGK Spark Plugs Bkr7Eku Spark Plug 5881

    NGK Spark Plugs

    $18.39 $9.99
    NGK Spark Plugs Bkr7Eku Spark Plug 5881 Chosen by more automotive, and marine engine manufacturers than any other. The unique copper core and exclusive electrode design assure fast starts, peak performance and long life. •?Triple gasket sealing...
    Part Number:
    41-BKR7EKU
    Availability:
    In Stock - Ships same or next business day.
    Model #:
    5881
    Pkg.:
    Boxed
    What's in the Box:
    (1) Spark Plug
    $18.39 $9.99
    Add to Cart
  • Seachoice Fuel Line J/E Low Perm 21371
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    Seachoice Fuel Line J/E Low Perm 21371

    Seachoice

    $48.99 $39.99
    Seachoice Fuel Line J/E Low Perm 21371 Meets all EPA, CARB, USCG and ABYC Requirements •  • Includes: Low permeation primer bulb, fuel line fittings, stainless steel hose clamps and 3/8" heavy duty, kink resistant fuel line...
    Part Number:
    50-21371
    Availability:
    In Stock - Ships same or next business day.
    Application:
    OMC/Johnson/Evinrude
    Size:
    3/8" x 7'
    $48.99 $39.99
    Add to Cart
  • Seachoice Fuel Tank Vent Flush 90 Deg 23061
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    Seachoice Fuel Tank Vent Flush 90 Deg 23061

    Seachoice

    $42.87 $29.99
    Seachoice Fuel Tank Vent Flush 90 Deg 23061 Made of 316 stainless steelOn the exterior, they have a smooth edge over the competitionUnlike some others, there is no protruding cap to cause damage or be damaged by hull bumps and scrapesCap unscrews with...
    Part Number:
    50-23061
    Availability:
    In Stock - Ships same or next business day.
    Hose:
    5/8" ID
    Max Hull Thickness:
    7/8"
    Hole:
    1-3/8"
    $42.87 $29.99
    Add to Cart
  • Seachoice Universal In-Line Fuel Filter 20941
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    Seachoice Universal In-Line Fuel Filter 20941

    Seachoice

    $13.91 $12.99
    Seachoice Universal In-Line Fuel Filter 20941 In-line style universal fuel filter replaces any 1/4", 5/16" or 3/8" filterProtects all carbureted enginesClear body permits visual inspection.
    Part Number:
    50-20941
    Availability:
    In Stock - Ships same or next business day.
    $13.91 $12.99
    Add to Cart
  • Seastar Hose Kit-2Pc Seastar O/B 12 Ft Ho5112
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    Seastar Hose Kit-2Pc Seastar O/B 12 Ft Ho5112

    Seastar

    $193.79 $159.99
    Seastar Hose Kit-2Pc Seastar O/B 12 Ft Ho5112 Includes two hoses - can be used with all SeaStar systems, except SeaStar PRO, BayStar, Capilano and 3-line inboard systems. ID of 5/16".
    Part Number:
    1-HO5112
    Availability:
    In Stock - Ships same or next business day.
    Length:
    12'
    Box:
    2
    $193.79 $159.99
    Add to Cart
  • Seastar Union Coupling 3/8 Tee (3/Pk) Hf5527
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    Seastar Union Coupling 3/8 Tee (3/Pk) Hf5527

    Seastar

    $33.39 $24.99
    Seastar Union Coupling 3/8 Tee (3/Pk) Hf5527 All Older Style SeaStar manual hydraulic steering systems. These are 3/8" compression fittings which utilize a 9/16"-24 extra fine thread. (Seastar Solutions New Updated cylinders with part numbers ending in...
    Part Number:
    1-HF5527
    Availability:
    In Stock - Ships same or next business day.
    Type:
    Union Coupling Fitting
    Material:
    Brass
    Bag:
    3
    $33.39 $24.99
    Add to Cart
  • Sold Out, please call for ETA.
    Special Order! See availaility for details
    Sherwood Pump Pump Cummins Qsc Engine G2610X

    Sherwood Pump Pump Cummins Qsc Engine G2610X

    Sherwood Pump

    $2,149.99 $1,529.99
    Sherwood Pump Pump Cummins Qsc Engine G2610X   Applications: Flexible Impeller Engine Cooling Pump Pump Body: Bronze Ports: Flanged, Port Elbows Not Included Cam: Full Impeller: Neoprene Shaft Seal: Mechanical Drive: Flange Mounted to...
    Part Number:
    762-G2610X
    Availability:
    In Stock - Ships same or next business day.
    Replaces:
    G2603X
    $2,149.99 $1,529.99
    Sold out - Special order may be available, please call 856-232-6969 ext1
  • Sierra 10Oz Power Trim/Tilt Fluid 18-9750-0
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    Sierra 10Oz Power Trim/Tilt Fluid 18-9750-0

    Sierra

    $9.99 $9.51
    Sierra 10Oz Power Trim/Tilt Fluid 18-9750-0Formulated for high operating pressure. Anti-foam additives assure uniform flow with reduced air contamination in hydraulic systems. Designed for heavy duty use at high operating pressures in applications...
    Part Number:
    47-97500
    Availability:
    In Stock - Ships same or next business day.
    Size:
    10 oz.
    $9.99 $9.51
    Add to Cart
  • Sold Out, please call for ETA.
    Sierra Carbon Cleaner 18-9570-0

    Sierra Carbon Cleaner 18-9570-0

    Sierra

    $17.99
    Sierra Carbon Cleaner 18-9570-0Specially designed to improve engine performance and efficiency. Thoroughly removes gum; varnish and carbon deposits. Cleans intake ports; valves; pistons and combustion chambers. Frees sticky rings. Designed for regular...
    Part Number:
    47-95700
    Availability:
    In Stock - Ships same or next business day.
    Size:
    12 oz. aerosol
    $17.99
    Sold out - Special order may be available, please call 856-232-6969 ext1
  • Sierra Filter Bracket-Ss 3/8 Npt 18-7776
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    Sierra Filter Bracket-Ss 3/8 Npt 18-7776

    Sierra

    $92.49 $77.99
    Sierra Filter Bracket-Ss 3/8 Npt 18-7776Sierra fuel water separators remove over 98.8% of emulsified water from your gasoline. Sierra's 10 micron filters are over 90% efficient at removing particles as small as 10 micron. All filters flow @ 90 GPH to...
    Part Number:
    47-7776
    Availability:
    In Stock - Ships same or next business day.
    Type:
    3/8" Stainless Steel
    $92.49 $77.99
    Add to Cart
  • Attwood Marine Twlocmerc Fitb-Net Setlp 8899Lp6
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    Attwood Marine Twlocmerc Fitb-Net Setlp 8899Lp6

    Attwood Marine

    $19.89 $15.99
    Attwood Marine Twlocmerc Fitb-Net Setlp 8899Lp6 Attwood fuel tank fittings and hose fittings are suitable for use with leaded, unleaded, ethanol blended and alcohol-blended fuels. Clamps are not included. Use thread sealant tape on all threads.LP= Low...
    Part Number:
    23-8899LP6
    Availability:
    In Stock - Ships same or next business day.
    Connector:
    Hose & TankTwist Fitting Set
    w/90 Deg - Elbow (88826 & 88926)
    Fits:
    -
    Material:
    -
    Thread:
    1/4" NPT
    Hose:
    -
    OEM #:
    30185A3 - 22831A3
    $19.89 $15.99
    Add to Cart
  • Centek 5.00 x 6.00 Coupler 1200148
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    Centek 5.00 x 6.00 Coupler 1200148

    Centek

    $207.99 $159.99
    Centek 5.00 x 6.00 Coupler 1200148 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:
    383-1200148
    Availability:
    In Stock - Ships same or next business day.
    OD:
    5" to 6"
    Length:
    14"
    $207.99 $159.99
    Add to Cart
  • Centek Elbow - 45 Degree 3" 1200109
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    Centek Elbow - 45 Degree 3" 1200109

    Centek

    $98.99 $71.75
    Centek Elbow - 45 Degree 3" 1200109These 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:
    383-1200109
    Availability:
    In Stock - Ships same or next business day.
    OD:
    3"
    Length:
    8-1/2"
    $98.99 $71.75
    Add to Cart

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.