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Aftermarket Parts

Aftermarket Parts

  • Seachoice Deluxe Sport Style Wheel - 14 28510
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    Seachoice Deluxe Sport Style Wheel - 14 28510

    Seachoice

    $45.60 $34.99
    Seachoice Deluxe Sport Style Wheel - 14 28510 Rim features rich leather grain, stitching and finger grips. • 4 spoke • Dish - 3-7/8" • U.Vresistant • Fits all standard 3/4" tapered...
    Part Number:
    50-28510
    Availability:
    In Stock - Ships same or next business day.
    Dia.:
    13-1/2"
    Pack:
    Bulk
    $45.60 $34.99
    Add to Cart
  • Seachoice Fuel Pump Dra-Lft 11.5-9Psi 12V 20331
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    Seachoice Fuel Pump Dra-Lft 11.5-9Psi 12V 20331

    Seachoice

    $226.26 $154.99
    Seachoice Fuel Pump Dra-Lft 11.5-9Psi 12V 20331 This solid state fuel pump can be used on: refrigeration trucks, marine generator sets, diesel filtration systems, industrial applications, and other diesel lift applicationsCompatible with gasoline,...
    Part Number:
    50-20331
    Availability:
    In Stock - Ships same or next business day.
    PSI:
    11.5 - 9
    GPH:
    33
    OEM #:
    FACET 40222
    Volts:
    12
    $226.26 $154.99
    Add to Cart
  • Seachoice Transom Trim Contol 28131
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    Seachoice Transom Trim Contol 28131

    Seachoice

    $48.46 $35.30
    Seachoice Transom Trim Contol 28131 Provides a weatherproof tilt control system at the stern area of the boatCan be used for remote adjustment of hydraulic plates18" wiring harness included.
    Part Number:
    50-28131
    Availability:
    In Stock - Ships same or next business day.
    $48.46 $35.30
    Add to Cart
  • Seastar Elbow Fit.Tube 3/8 Npt Male Hf5534
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    Seastar Elbow Fit.Tube 3/8 Npt Male Hf5534

    Seastar

    $44.39 $29.90
    Seastar Elbow Fit.Tube 3/8 Npt Male Hf5534All 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-HF5534
    Availability:
    In Stock - Ships same or next business day.
    Type:
    Elbow Fitting
    Material:
    Brass
    Bag:
    3
    $44.39 $29.90
    Add to Cart
  • Seastar Hose Kit-2Pc Seastar O/B 6 Ft Ho5106
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    Seastar Hose Kit-2Pc Seastar O/B 6 Ft Ho5106

    Seastar

    $193.79 $164.99
    Seastar Hose Kit-2Pc Seastar O/B 6 Ft Ho5106 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-HO5106
    Availability:
    In Stock - Ships same or next business day.
    Length:
    6'
    Box:
    2
    $193.79 $164.99
    Add to Cart
  • Seastar Hydraulic Steering Oil Gallon Ha5440H
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    Seastar Hydraulic Steering Oil Gallon Ha5440H

    Seastar

    $150.89 $99.99
    Seastar Hydraulic Steering Oil Gallon Ha5440H   SeaStar Hydraulic Steering Fluid is engineered with a proprietary additive package which contains anti-foaming and anti-rusting agents, anti-oxidants, viscosity stabilizers, corrosion inhibitors,...
    Part Number:
    1-HA5440H
    Availability:
    In Stock - Ships same or next business day.
    Size:
    Gallon
    $150.89 $99.99
    Add to Cart
  • Seastar Twin Mt3 Top Mount Dual Func Lev Ch5300P
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    Seastar Twin Mt3 Top Mount Dual Func Lev Ch5300P

    Seastar

    $881.59 $609.99
    Seastar Twin Mt3 Top Mount Dual Func Lev Ch5300P Combines classic binnacle styling with dual function levers, a neutral safety switch, and an engine warm-up feature. Now features longer shift travel for certain MerCruisers or longer runs with many bends...
    Part Number:
    1-CH5300P
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Twin Control - Dual Function
    $881.59 $609.99
    Add to Cart
  • Special Order! See availaility for details
    Sherwood Pump Raw Water Pump Cummins Qsb P2708X
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    Sherwood Pump Raw Water Pump Cummins Qsb P2708X

    Sherwood Pump

    $1,174.09 $816.51
    Sherwood Pump Pump-Cummins Qsb P2708X Impeller Kit: 27000K Minor Repair Kit: 25125 Major Repair Kit: 25126 Sold w/o port elbows
    Part Number:
    762-P2708X
    Availability:
    In Stock - Ships same or next business day.
    Engine:
    Cummins QSB
    Replaces:
    P2701X
    $1,174.09 $816.51
    Add to Cart
  • Sierra Amega Tachometer 7Krpm-Gas Ob-Io-Ib 58255P
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    Sierra Amega Tachometer 7Krpm-Gas Ob-Io-Ib 58255P

    Sierra

    $148.39 $94.99
    Sierra Amega Tachometer 7Krpm-Gas Ob-Io-Ib 58255PSmart white and red graphics on a black dial background; these very low profile bezels follow the curve of the lenses to eliminate water trapping. Design with domed glass sheds water and resists scratching...
    Part Number:
    11-58255P
    Availability:
    In Stock - Ships same or next business day.
    Size:
    3"
    Type:
    Tachometer
    Dial Range:
    0-7000 rpm
    Sender Code:
    O/B Alt or Coil
    $148.39 $94.99
    Add to Cart
  • Sierra Ignition Coil -Crusader OMC MerCruiser 18-5433
    Add to Cart

    Sierra Ignition Coil -Crusader OMC MerCruiser 18-5433

    Sierra

    $63.59 $53.99
    Sierra Ignition Coil -Crusader OMC MerCruiser 18-5433
    Part Number:
    47-5433
    Availability:
    In Stock - Ships same or next business day.
    Replaces:
    Crusader 37068 - 51080. Mercury 38547 - 32193A2 - 392-806529A1 - 898253T24 - OMC 915735 - Delco 1115202 (uses external resistor). Pleasurecraft R117001 - Volvo 835998
    $63.59 $53.99
    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.