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Aftermarket Parts

Aftermarket Parts

  • Sierra White Premier Fuel Gauge 62551P
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    Sierra White Premier Fuel Gauge 62551P

    Sierra

    $75.29 $53.00
    Sierra White Premier Fuel Gauge 62551PWhite 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:
    11-62551P
    Availability:
    In Stock - Ships same or next business day.
    Size:
    2"
    Type:
    Fuel
    Dial Range:
    E-1/2-F
    Sender Code:
    F
    $75.29 $53.00
    Add to Cart
  • Sold Out, please call for ETA.
    Sierra White Premier Oil Pressure 0-80Psi 62542P

    Sierra White Premier Oil Pressure 0-80Psi 62542P

    Sierra

    $66.59 $46.21
    Sierra White Premier Oil Pressure 0-80Psi 62542PWhite 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:
    11-62542P
    Availability:
    In Stock - Ships same or next business day.
    Size:
    2"
    Type:
    Oil Pressure
    Dial Range:
    0-80 psi
    Sender Code:
    C
    $66.59 $46.21
    Sold out - Special order may be available, please call 856-232-6969 ext1
  • Sold Out, please call for ETA.
    Sierra Wire Set Chrysler 361-440Ci V8 18-8827-1

    Sierra Wire Set Chrysler 361-440Ci V8 18-8827-1

    Sierra

    $91.19
    Sierra Wire Set Chrysler 361-440Ci V8 18-8827-1Magnetic 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:
    47-88271
    Availability:
    In Stock - Ships same or next business day.
    Application:
    Chrysler I/B - 361 - 383 & 440 cid - 8 cylinder - electronic & conventional ignition
    $91.19
    Sold out - Special order may be available, please call 856-232-6969 ext1
  • Sold Out, please call for ETA.
    Sierra Wire Set GM194Ci Thru 292Ci L6 18-8809-1

    Sierra Wire Set GM194Ci Thru 292Ci L6 18-8809-1

    Sierra

    $81.29 $64.03
    Sierra Wire Set GM194Ci Thru 292Ci L6 18-8809-1Magnetic 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:
    47-88091
    Availability:
    In Stock - Ships same or next business day.
    Application:
    Mercruiser - 150 - 160 - 165 - L6 - conventional ignition
    $81.29 $64.03
    Sold out - Special order may be available, please call 856-232-6969 ext1
  • STA-BIL Corrosion Inhibitor 12oz 22003
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    STA-BIL Corrosion Inhibitor 12oz 22003

    STA-BIL

    $15.46
    STA-BIL Corrosion Inhibitor 12oz 22003Protects all common metalsStops existing rust and corrosion from spreadingLubricates and penetratesLong lasting and water resistant
    Part Number:
    269-22003
    Availability:
    In Stock - Ships same or next business day.
    Size:
    12 oz.
    $15.46
    Add to Cart
  • STA-BIL Gas Stabilizer 1 Gallon 22213
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    STA-BIL Gas Stabilizer 1 Gallon 22213

    STA-BIL

    $63.11
    STA-BIL Gas Stabilizer 1 Gallon 22213   Keeps fuel fresh for quick, easy starts after storage Removes water according to OEM specs to prevent corrosion Cleans carburetors and fuel injectors Protects engine from gum, varnish, rust, and corrosion ...
    Part Number:
    269-22213
    Availability:
    In Stock - Ships same or next business day.
    Size:
    Gallon
    Treats:
    320 gal.
    $63.11
    Add to Cart
  • STA-BIL Isoheet Fuel Antifreeze/Water Remover 12oz 28202
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    STA-BIL Isoheet Fuel Antifreeze/Water Remover 12oz 28202

    STA-BIL

    $5.00 $4.99
    STA-BIL Isoheet Fuel Antifreeze/Water Remover 12oz 28202 #1 selling Brand of premium gas-line antifreeze Absorbs 5 times more water than regular gas-line antifreeze Cleans fuel injectors and carburetors For year-round use in all 2- & 4-cycle...
    Part Number:
    269-28202
    Availability:
    In Stock - Ships same or next business day.
    Size:
    12 oz.
    Treats:
    20 gals.
    $5.00 $4.99
    Add to Cart
  • Starbrite Gas Storage Additive 1 Gal. 84300
    Add to Cart

    Starbrite Gas Storage Additive 1 Gal. 84300

    Starbrite

    $100.09 $60.27
    Starbrite Gas Storage Additive 1 Gal. 84300 • Protects gas and engine components during storage• For inboard and outboard gas engines• Eliminates need to fog engine• Prevents corrosion of fuel tank and delivery system• Stabilizes...
    Part Number:
    74-84300
    Availability:
    In Stock - Ships same or next business day.
    Size:
    Gallon
    Treats:
    640 gal.
    $100.09 $60.27
    Add to Cart
  • Starbrite Power Trim/Tilt Fluid 10 Oz 28510
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    Starbrite Power Trim/Tilt Fluid 10 Oz 28510

    Starbrite

    $17.49 $9.20
    Starbrite Power Trim/Tilt Fluid 10 Oz 28510 • Exceeds OEM warranty requirements• Formulated to provide consistent, no-fade performance• Anti-foam, anti-wear, anti-oxidation and advanced stabilizing additives for optimum performance in...
    Part Number:
    74-28510
    Availability:
    In Stock - Ships same or next business day.
    Size:
    10 oz.
    $17.49 $9.20
    Add to Cart
  • Starbrite Star Tron Gas Additive 5 Gallon 93005
    Add to Cart

    Starbrite Star Tron Gas Additive 5 Gallon 93005

    Starbrite

    $803.09 $479.99
    Starbrite Star Tron Gas Additive 5Gallon 93005 • Cures & prevents ethanol fuel problems• Makes any engine run more smoothly, start more easily• Eliminates & prevents gum, varnish and carbon deposits• Stabilizes fuel, helps...
    Part Number:
    74-93005
    Availability:
    In Stock - Ships same or next business day.
    Size:
    5 Gallon
    Treats:
    10 -000 gal.
    $803.09 $479.99
    Add to Cart
  • Trident Hose Fiberglass Tube Conn 6 2606001
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    Trident Hose Fiberglass Tube Conn 6 2606001

    Trident Hose

    $137.69 $68.20
    Trident Hose Fiberglass Tube Conn 6 2606001For exhaust hose, elbows, hump hose & reducers. Fire retardant/heat resistant USA made (install minimum 2' downstream from point of cooling water injection.) 200°, max continuous operating temperatures.
    Part Number:
    606-2606001
    Availability:
    In Stock - Ships same or next business day.
    OD:
    6"
    Length:
    6"
    $137.69 $68.20
    Add to Cart
  • Uflex 20 Degree Mounting Bezel X35
    Add to Cart

    Uflex 20 Degree Mounting Bezel X35

    Uflex

    $43.99 $37.99
    Uflex 20 Degree Mounting Bezel X35 Direct "drop in" replacement for competing systems. Fits steering systems: Rotary T71FC, T72FC, ZeroTorque Helm T73FC, Rack & Pinion G86 & G88NR.
    Part Number:
    216-X35
    Availability:
    In Stock - Ships same or next business day.
    Type:
    20 Deg -
    Color:
    Black
    $43.99 $37.99
    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.