FREE SHIPPING OVER $99

BEST PRICE GUARANTEED

EARN POWERBOAT REWARDS

SUPPORT M-F 9-5 EST: 856-232-6969

Aftermarket Parts

Aftermarket Parts

  • Sold Out, please call for ETA.
    SeaStar HK4200A-3 BayStar Compact Hydraulic Steering System Complete Kit 20ft Hoses

    SeaStar HK4200A-3 BayStar Compact Hydraulic Steering System Complete Kit 20ft Hoses

    Seastar

    $1,098.89 $988.99
    SeaStar HK4200A-3 BayStar Compact Hydraulic Steering System Complete Kit 20ft Hoses Application: BayStar is for single-outboard powered boats rated up to 150 HP, including runabouts and inflatables and outboard engines with ABYC standard engine tilt...
    Part Number:
    1-HK4200A3
    Availability:
    In Stock - Ships same or next business day.
    Includes:
    HH43143 Std Helm & Hoses
  • Sierra U-Joint OMC#915716 Vp#897707-6 18-2104

    Sierra U-Joint OMC#915716 Vp#897707-6 18-2104

    Sierra

    $81.19 $49.99
    Sierra U-Joint OMC#915716 Vp#897707-6 18-2104Heavy duty U-Joint with straight and 90° fittings for OMC; Volvo and others.
    Part Number:
    47-2104
    Availability:
    In Stock - Ships same or next business day.
    Replaces:
    OMC 915716 - 912214 - Mercury 75832T - 75832A2 - Volvo 853255 - 897707
    $81.19 $49.99
  • Centek Reducer Coupling-4" To 3" 1200170

    Centek Reducer Coupling-4" To 3" 1200170

    Centek

    $93.69 $74.99
    Centek Reducer Coupling-4" To 3" 1200170 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:
    383-1200170
    Availability:
    In Stock - Ships same or next business day.
    OD:
    3" to 4"
    Length:
    10"
    $93.69 $74.99
  • Martyr Anodes Grouper Magnesium Cmgrouperm

    Martyr Anodes Grouper Magnesium Cmgrouperm

    Martyr Anodes

    $120.29 $69.99
    Martyr Anodes Grouper Magnesium Cmgrouperm 15' of cableDo Not connect to batteryZinc for saltwaterMagnesium for use in fresh waterAluminum for salt and brackish water
    Part Number:
    194-CMGROUPERM
    Availability:
    In Stock - Ships same or next business day.
    Size:
    8-1/4" x 3-1/4" x 1-3/8"
    Material:
    Magnesium
    $120.29 $69.99
  • Seachoice Tiller Rope Pulley W/Eye Stra 28501

    Seachoice Tiller Rope Pulley W/Eye Stra 28501

    Seachoice

    $16.38 $12.99
    Seachoice Tiller Rope Pulley W/Eye Stra 28501 Pair of stainless steel and plastic pulleys with two stamped stainless steel eye strapsMaximum rope size: 1/4"OD of sheave: 2-5/16"3-3/4" overall length.
    Part Number:
    50-28501
    Availability:
    In Stock - Ships same or next business day.
    Pack:
    1 pr.
    $16.38 $12.99
  • Seastar Bleed Nipple Caps @12 Hp6044

    Seastar Bleed Nipple Caps @12 Hp6044

    Seastar

    $36.19 $27.99
    Seastar Bleed Nipple Caps @12 Hp6044
    Part Number:
    1-HP6044
    Availability:
    In Stock - Ships same or next business day.
    Type:
    Bleed Nipple Soft cap
    Description:
    Bleed nipple caps for all Seastar Cylinders
    Bag:
    12
    $36.19 $27.99
  • Centek Elbow - 90 Degree 3" 1200171

    Centek Elbow - 90 Degree 3" 1200171

    Centek

    $141.39 $114.99
    Centek Elbow - 90 Degree 3" 1200171 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:
    383-1200171
    Availability:
    In Stock - Ships same or next business day.
    OD:
    3"
    Length:
    7-1/2"
    $141.39 $114.99
  • NGK Spark Plugs Br9Es Spark Plug 5722

    NGK Spark Plugs Br9Es Spark Plug 5722

    NGK Spark Plugs

    $5.89 $4.99
    NGK Spark Plugs Br9Es Spark Plug 5722 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:
    41-5722
    Availability:
    In Stock - Ships same or next business day.
    Model #:
    BR9ES
    $5.89 $4.99
  • Racor Filter-Replacement 320R-490Rrac01 10M S3227

    Racor Filter-Replacement 320R-490Rrac01 10M S3227

    Racor

    $46.19 $34.99
    Racor Filter-Replacement 320R-490Rrac01 10M S3227   Aquabloc® II filter replacement elements are offered as retrofits to Racor clear or metal bowl filter assemblies Long-life with 98% filtration efficiency and 100% water removal per SAE...
    Part Number:
    62-S3227
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Element
    Micron:
    10
    For:
    320R-RAC-01 - 490R-RAC-01
    Application:
    O/B
    $46.19 $34.99
  • Attwood Marine OMC Female Tankfitting Lp 8889Lp6

    Attwood Marine OMC Female Tankfitting Lp 8889Lp6

    Attwood Marine

    $7.84 $7.49
    Attwood Marine OMC Female Tankfitting Lp 8889Lp6 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:
    23-8889LP6
    Availability:
    In Stock - Ships same or next business day.
    Connector:
    Hose Fitting - Female
    Fits:
    88836
    Material:
    Molded acetal
    Thread:
    -
    Hose:
    3/8" ID
    OEM #:
    OMC 176445 3/8"
    $7.84 $7.49
  • Seastar Control Cable OMC/Volvo TFXtreme CCX214

    Seastar Control Cable OMC/Volvo TFXtreme CCX214

    Seastar

    $89.19 $79.99
    Seastar Control Cable OMC/Volvo TFXtreme CCX214 Stainless steel and brass fittings. Fits Volvo engines w/BRP/OMC top mount controls and OMC Turbo Jet gates w/OMC side mount controls that accept OMC "snap in" type cable. Xtreme cables feature a...
    Part Number:
    NW-1CCX214
    Availability:
    In Stock - Ships same or next business day.
    $89.19 $79.99

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.