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Aftermarket Parts

Aftermarket Parts

  • Sierra Sterling Speedo Kit 80 Mph 63476P
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    Sierra Sterling Speedo Kit 80 Mph 63476P

    Sierra

    $98.99 $81.28
    Sierra Sterling Speedo Kit 80 Mph 63476PBlack graphics on a brushed aluminum dial background. Pointers are black. Perimeter lighting is provided for night visibility. Domed glass convex lenses are scratch resistant.
    Part Number:
    11-63476P
    Availability:
    In Stock - Ships same or next business day.
    Size:
    3"
    Type:
    Speedometer - Head Only
    Dial Range:
    20-80 mph
    Sender Code:
    G included
    $98.99 $81.28
    Add to Cart
  • Sierra Thermostat Kit Mer-Nis-Toh 9.9-30Hp 18-43175
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    Sierra Thermostat Kit Mer-Nis-Toh 9.9-30Hp 18-43175

    Sierra

    $69.79 $53.85
    Sierra Thermostat Kit Mer-Nis-Toh 9.9-30Hp 18-43175Mercury/Mariner: Replaces- 855676002Fits: Mercury 15 Carb(2cyl) 4-Stroke(R235949& Up); 15 SeaPro 4-Stroke(R051685 & Up); 20 Carb(2cyl)4-Stroke(R235168 & Up); 25 EFI(3cyl)4-Stroke(R106999 & Up); 25 Jet...
    Part Number:
    47-43175
    Availability:
    In Stock - Ships same or next business day.
    $69.79 $53.85
    Add to Cart
  • Sierra Tune Up Kit 18-5281
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    Sierra Tune Up Kit 18-5281

    Sierra

    $56.89 $38.19
    Sierra Tune Up Kit 18-5281Tune up kits include cap and rotor.
    Part Number:
    47-5281
    Availability:
    In Stock - Ships same or next business day.
    Description:
    V-8
    Application:
    Crusader - Indmar - Pleasurecraft - Mercruiser
    $56.89 $38.19
    Add to Cart
  • Sierra Vst Filter-Yamaha #60V-24251-01-00 18-79907
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    Sierra Vst Filter-Yamaha #60V-24251-01-00 18-79907

    Sierra

    $104.39 $89.99
    Sierra Vst Filter-Yamaha #60V-24251-01-00 18-79907
    Part Number:
    47-79907
    Availability:
    In Stock - Ships same or next business day.
    Application:
    LZ150(2005) - VZ150(2005-10) - Z150(2005) - VZ175(2005-10) - Z175(2005) - LZ200(2005-10) - VZ200(2005-09) - Z200(2005-10) - VZ225(2005-09) - LZ250(2005) - VZ250(2005-09) - Z250(2005) - LZ300(2005-06) - VZ300(2005-09) - Z300(2005-06)
    OEM #:
    Yamaha 60V-24251-01-00
    $104.39 $89.99
    Add to Cart
  • Sierra Vst Kit-Yam Lz-Vz-Z 150-300Hp 18-79953
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    Sierra Vst Kit-Yam Lz-Vz-Z 150-300Hp 18-79953

    Sierra

    $81.69 $61.27
    Sierra Vst Kit-Yam Lz-Vz-Z 150-300Hp 18-79953
    Part Number:
    47-79953
    Availability:
    In Stock - Ships same or next business day.
    Application:
    LZ150(00-05) - LZ200(00-11) - LZ250(03-05) - LZ300(04-06) - VZ150(00-11) - VZ175(01-11) - VZ200(01-09) - VZ225(03-09) - VZ250(03-09) VZ300(04-09) - Z150(00-05) - Z175(01-05) - Z200(00-11) - Z250(03-05) - Z300(04-06)
    OEM #:
    68F-13915-00 -
    66K-14984-00
    $81.69 $61.27
    Add to Cart
  • Sierra White Premier Volt Gauge 62555P
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    Sierra White Premier Volt Gauge 62555P

    Sierra

    $75.69 $54.47
    Sierra White Premier Volt Gauge 62555PWhite dial; black graduations/numerals (metrics in blue); red pointerScratch resistant curved glass lenses; with polished stainless steel; near-flush bezelsU.S. and metric scales; with ISO symbols; where...
    Part Number:
    11-62555P
    Availability:
    In Stock - Ships same or next business day.
    Size:
    2"
    Type:
    Voltmeter 12Volt
    Dial Range:
    8-18 VDC
    Sender Code:
    N/R
    $75.69 $54.47
    Add to Cart
  • Sierra Wire Set Chrysler 318-360Ci V8 18-8824-1
    Add to Cart

    Sierra Wire Set Chrysler 318-360Ci V8 18-8824-1

    Sierra

    $109.59 $86.03
    Sierra Wire Set Chrysler 318-360Ci V8 18-8824-1Magnetic Suppression Core manufactured for your specific application.Kevlar® core for maximum durability and long lifeDurable stainless steel wound conductor for maximum horsepower and engine...
    Part Number:
    47-88241
    Availability:
    In Stock - Ships same or next business day.
    Application:
    Flagship - Indmar - Marine Power & Mastercraft - 454 - 7.4L 8 cylinder - EST ignition. Mercruiser - 454 Hi Performance - 8 cylinder - Thunderbolt ignition
    $109.59 $86.03
    Add to Cart
  • Sold Out, please call for ETA.
    Sierra Wire Set Evin-John 90-115Hp V4 18-8839-1

    Sierra Wire Set Evin-John 90-115Hp V4 18-8839-1

    Sierra

    $61.09 $44.83
    Sierra Wire Set Evin-John 90-115Hp V4 18-8839-1Magnetic Suppression Core manufactured for your specific application.Kevlar® core for maximum durability and long lifeDurable stainless steel wound conductor for maximum horsepower and engine...
    Part Number:
    47-88391
    Availability:
    In Stock - Ships same or next business day.
    Application:
    Johnson/Evinrude - 90 & 115 hp O/B
    $61.09 $44.83
    Sold out - Special order may be available, please call 856-232-6969 ext1
  • Sierra Wire Set GM 3.0L Delco Est 18-8811-1
    Add to Cart

    Sierra Wire Set GM 3.0L Delco Est 18-8811-1

    Sierra

    $58.09 $42.73
    Sierra Wire Set GM 3.0L Delco Est 18-8811-1Magnetic Suppression Core manufactured for your specific application.Kevlar® core for maximum durability and long lifeDurable stainless steel wound conductor for maximum horsepower and engine performancePremium...
    Part Number:
    47-88111
    Availability:
    In Stock - Ships same or next business day.
    Application:
    Flagship - Indmar - Marine Power & Mastercraft - 181 - 3.0L -EST & EFI ignition - 4 cylinder. Mercruiser - All 4 cylinders
    $58.09 $42.73
    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.