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Aftermarket Parts

Aftermarket Parts

  • Seachoice Alpha One 84-90 Kit - Aluminum 50-95001

    Seachoice Alpha One 84-90 Kit - Aluminum 50-95001

    Seachoice

    $49.08 $34.41
    Seachoice Alpha One 84-90 Kit - Aluminum 50-95001 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:
    50-95001
    Availability:
    In Stock - Ships same or next business day.
    Fits:
    1984-1990
    Material:
    Aluminum
    $49.08 $34.41
  • Seachoice Aluminum Anode Kit for 6 Cylinder Mercury Verado 95121

    Seachoice Aluminum Anode Kit for 6 Cylinder Mercury Verado 95121

    Seachoice

    $81.28 $54.99
    Seachoice Verado 6 Cycl Kit - Al 50-95121 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:
    50-95121
    Availability:
    In Stock - Ships same or next business day.
    Fits:
    6 Cylinder
    Material:
    Aluminum
    $81.28 $54.99
  • Seachoice Black Knob (For 2840 & 2839) 28421

    Seachoice Black Knob (For 2840 & 2839) 28421

    Seachoice

    $8.99 $6.83
    Seachoice Black Knob (For 2840 & 2839) 28421 Made of chrome plated brassEach separate lever controls clutch and throttle for one engineNot for dual station applicationsFunctions easily identified by red and black knobsDesigned to use 33C type control...
    Part Number:
    50-28421
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Black Knob
    $8.99 $6.83
  • Seachoice Fuel Conn-Omc Female 3/8 20551

    Seachoice Fuel Conn-Omc Female 3/8 20551

    Seachoice

    $11.57 $10.99
    Seachoice Fuel Conn-Omc Female 3/8 20551 Precision engineered fuel connectors
    Part Number:
    50-20551
    Availability:
    In Stock - Ships same or next business day.
    Connector:
    Hose Fitting - Female
    Fits:
    OMC (Evinrude/Johnson)
    Material:
    Hi-Impact Nylon
    Type:
    Deluxe
    Thread:
    -
    Hose:
    3/8" Barb
    $11.57 $10.99
  • Seachoice Fuel Line Merc Low Perm 21391

    Seachoice Fuel Line Merc Low Perm 21391

    Seachoice

    $53.50 $44.99
    Seachoice Fuel Line Merc Low Perm 21391 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...
    Part Number:
    50-21391
    Availability:
    In Stock - Ships same or next business day.
    Application:
    Mercury
    Size:
    3/8" x 7'
    $53.50 $44.99
  • Special Order! See availaility for details
    Seachoice Reed Switch 150Mm 6 50-15521

    Seachoice Reed Switch 150Mm 6 50-15521

    Seachoice

    $81.42 $52.28
    Seachoice Reed Switch 150Mm 6 50-15521 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:
    50-15521
    Availability:
    In Stock - Ships same or next business day.
    Length:
    6"
    $81.42 $52.28
  • Seastar Control Ski/Jet Side Ch2200P

    Seastar Control Ski/Jet Side Ch2200P

    Seastar

    $612.59 $499.99
    Seastar Control Ski/Jet Side Ch2200P   Single lever, dual action for throttle & shift Superior neutral engine warm-up control (ski version) Flush mount design for quick, tidy installation Includes hardware for two 33 type cables Crisp...
    Part Number:
    1-CH2200P
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Side mount ski boat control
    $612.59 $499.99
  • Seastar Dual Station Unit-Shift 207573

    Seastar Dual Station Unit-Shift 207573

    Seastar

    $309.39 $210.94
    Seastar Dual Station Unit-Shift 207573The Dual Station (DS) unit is designed for inboard, sterndrive, or outboard boaters that like using one lever to do both throttle and shift in their dual station boat. The Station Selector allows smooth operation of...
    Part Number:
    1-207573
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Gear Shift Unit
    $309.39 $210.94
  • Seastar Elbow Tube Fit.1/4P (3/Bg) Hf5538

    Seastar Elbow Tube Fit.1/4P (3/Bg) Hf5538

    Seastar

    $46.39 $31.23
    Seastar Elbow Tube Fit.1/4P (3/Bg) Hf5538All 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 "-3"...
    Part Number:
    1-HF5538
    Availability:
    In Stock - Ships same or next business day.
    Type:
    Street Elbow
    Material:
    Brass
    Bag:
    3
    $46.39 $31.23
  • Seastar Hose Kit-2Pc Seastar O/B 22 Ft Ho5122

    Seastar Hose Kit-2Pc Seastar O/B 22 Ft Ho5122

    Seastar

    $258.49 $189.99
    Seastar Hose Kit-2Pc Seastar O/B 22 Ft Ho5122 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-HO5122
    Availability:
    In Stock - Ships same or next business day.
    Length:
    22'
    Box:
    2
    $258.49 $189.99
  • Seastar Orb Kit-Add Helm/Autopilot I/B Hf6010

    Seastar Orb Kit-Add Helm/Autopilot I/B Hf6010

    Seastar

    $123.99 $114.99
    Seastar Orb Kit-Add Helm/Autopilot I/B Hf6010 These fittings fit updated Seastar cylinders and all helm pump to use O-Ring (ORB) type fittings. Before the update all Seastar Solutions helms used NPT fittings. These 316 stainless steel fittings will...
    Part Number:
    1-HF6010
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Fitting Kit
    Fits:
    Helms
    $123.99 $114.99
  • Seastar Quick Connect Converter Sa27620P

    Seastar Quick Connect Converter Sa27620P

    Seastar

    $34.49 $22.99
    Seastar Quick Connect Converter Sa27620P Quick Connect II for helms with threaded spigots SA27620P (upgrades older Teleflex/Seastar Solutions rotary helms to Quick-Connect cable interface, allowing use of SSC61/SSC62 QC cables).
    Part Number:
    1-SA27620P
    Availability:
    In Stock - Ships same or next business day.
    $34.49 $22.99
  • Seastar Seal Kit Hs5151

    Seastar Seal Kit Hs5151

    Seastar

    $91.69 $69.99
    Seastar Seal Kit Hs5151 For the SeaStar helm pump. Units prior to 1984, there is no seal kit.
    Part Number:
    1-HS5151
    Availability:
    In Stock - Ships same or next business day.
    $91.69 $69.99

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.