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Aftermarket Parts

Aftermarket Parts

  • NGK Spark Plugs Br9Es Solid Spark Plug 3194

    NGK Spark Plugs Br9Es Solid Spark Plug 3194

    NGK Spark Plugs

    $5.89 $4.06
    NGK Spark Plugs Br9Es Solid Spark Plug 3194Chosen 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 process...
    Part Number:
    41-3194
    Availability:
    In Stock - Ships same or next business day.
    Model #:
    BR9ES Solid
    Pack:
    4
    Pkg.:
    Boxed
    $5.89 $4.06
  • Racor Element-Replacement 500 Turbine 10M 2010Tmor

    Racor Element-Replacement 500 Turbine 10M 2010Tmor

    Racor

    $19.99 $12.91
    Racor Element-Replacement 500 Turbine 10M 2010TmorWaterproof, 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:
    62-2010TMOR
    Availability:
    In Stock - Ships same or next business day.
    Micron:
    10
    End Cap:
    Blue
    Fits:
    500
    $19.99 $12.91
  • Racor Ff/Ws Gas Or Diesel 110A

    Racor Ff/Ws Gas Or Diesel 110A

    Racor

    $254.39 $178.65
    Racor Ff/Ws Gas Or Diesel 110A The Racor 100 Series features a variety of compact sizes to fit the most cramped engine compartments. All units feature 1/4"-18 NPTF inlet and outlet fuel ports and a unitized mounting bracket. All 100 Series assemblies...
    Part Number:
    62-110A
    Availability:
    In Stock - Ships same or next business day.
    GPH:
    15/35
    Micron:
    10
    Ports:
    1/4"-18 NPTF
    Bowl:
    Metal
    Size:
    3.3" D x 3.2" W x 6" H
    $254.39 $178.65
  • Sea-Dog Line Motor Well Boot - Molded Rubber - 5-1/2" - 521655

    Sea-Dog Line Motor Well Boot - Molded Rubber - 5-1/2" - 521655

    SEA-DOG LINE

    $16.65 $13.99
    Sea-Dog Line Motor Well Boot - Molded Rubber - 5-1/2" - 521655 Motor Well Boot - Molded Rubber - 5-1/2" Motor Well Boot organizes and protects engine control cables, wires, or fuel lines. Black accordion-style seal. Includes mounting...
    Part Number:
    354-521655
    Availability:
    In Stock - Ships same or next business day.
    A:
    5-1/2"
    B:
    9/16"
    $16.65 $13.99
  • Seachoice Gas Tank Vent-Straight Cpz 23011

    Seachoice Gas Tank Vent-Straight Cpz 23011

    Seachoice

    $17.99 $13.99
    Seachoice Gas Tank Vent-Straight Cpz 23011 23001: Reinforced black nylon with stainless steel screen flame arrestor. • 23011: Meets USCG safety standardsChrome plated zinc vent with removable wire screen flame arrester.
    Part Number:
    50-23011
    Availability:
    In Stock - Ships same or next business day.
    Material:
    Chrome Plate Zinc
    Hose:
    5/8"
    Max Hull Thickness:
    3/4"
    $17.99 $13.99
  • Seastar Dash Tilt Module Bkmt Rack Sht91610

    Seastar Dash Tilt Module Bkmt Rack Sht91610

    Seastar

    $316.19 $238.38
    Seastar Dash Tilt Module Bkmt Rack Sht91610Tilt steering brings comfort and convenience to any boat by allowing adjustment of the wheel to suit nearly any driving position. Features 5 adjustment positions in 12�� increments. Fits all types of engines...
    Part Number:
    1-SHT91610
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Back-Mount Rack Systems
    $316.19 $238.38
  • Seastar Dual Station Selector Unit 204993

    Seastar Dual Station Selector Unit 204993

    Seastar

    $291.09 $199.99
    Seastar Dual Station Selector Unit 204993 The 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...
    Part Number:
    1-204993
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Selector Unit
    $291.09 $199.99
  • Seastar Hose Kit-2Pc Seastar O/B 16 Ft Ho5116

    Seastar Hose Kit-2Pc Seastar O/B 16 Ft Ho5116

    Seastar

    $200.99 $159.99
    Seastar Hose Kit-2Pc Seastar O/B 16 Ft Ho5116 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-HO5116
    Availability:
    In Stock - Ships same or next business day.
    Length:
    16'
    Box:
    2
    $200.99 $159.99
  • Seastar Shift Knob 50030 (Smooth) Ca69051P

    Seastar Shift Knob 50030 (Smooth) Ca69051P

    Seastar

    $54.79 $44.99
    Seastar Shift Knob 50030 (Smooth) Ca69051P Features both visual and tactile distinction for throttle and shift, in keeping with the latest ABYC guidelines. Handles replace CH5400P & CH5600P twin control handles. Knobs replace most other brand...
    Part Number:
    1-CA69051P
    Availability:
    In Stock - Ships same or next business day.
    Description:
    SS Smooth Shift Knob
    $54.79 $44.99
  • Sierra Draincock1/4Npt 18-4218

    Sierra Draincock1/4Npt 18-4218

    Sierra

    $15.89 $13.99
    Sierra Draincock1/4Npt 18-4218
    Part Number:
    47-4218
    Availability:
    In Stock - Ships same or next business day.
    Application:
    Cylinder Block
    Size:
    1/4" NPT
    OEM #:
    Mercury 22-16951A1 - 22-16951Q1 - 22-16951T1 - OMC 379957 - Volvo 82745
    $15.89 $13.99

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.