FREE SHIPPING OVER $99

BEST PRICE GUARANTEED

EARN POWERBOAT REWARDS

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

Aftermarket Parts

Aftermarket Parts

  • Sierra GPS Receiver - 4Ft 68982P
    Add to Cart

    Sierra GPS Receiver - 4Ft 68982P

    Sierra

    $210.49 $143.56
    Sierra GPS Receiver - 4Ft 68982PAntenna for GPS speedometer
    Part Number:
    11-68982P
    Availability:
    In Stock - Ships same or next business day.
    Description:
    GPS receiver
    Cable Length:
    4'
    $210.49 $143.56
    Add to Cart
  • Sierra Lido Trim Gauge Fog Res MerCruiser 59657P
    Add to Cart

    Sierra Lido Trim Gauge Fog Res MerCruiser 59657P

    Sierra

    $75.59 $63.47
    Sierra Lido Trim Gauge Fog Res MerCruiser 59657PFog resistant gauges comply with SAE J-1810. Black graphics on a white face with chrome ring and a black pointer with fire-orange tip. Scratch resistant curved glass lense with polished stainless steel;...
    Part Number:
    11-59657P
    Availability:
    In Stock - Ships same or next business day.
    Size:
    2"
    Type:
    Trim - Mariner/Merc/Cobra/Volvo DP - SX - Yamaha 2001-Date
    Dial Range:
    Up-Down
    Sender Code:
    Engine Mfg.
    $75.59 $63.47
    Add to Cart
  • Sierra Sahara Fuel Gauge 59707P
    Add to Cart

    Sierra Sahara Fuel Gauge 59707P

    Sierra

    $56.19 $47.53
    Sierra Sahara Fuel Gauge 59707PBlack graphics on a tan dial background light red at night. Very low profile bezels follow the curve of the lens to eliminate water "trapping". Pointers are black with a fire-orange tip. Perimeter and through-dial lighting...
    Part Number:
    11-59707P
    Availability:
    In Stock - Ships same or next business day.
    Size:
    2"
    Type:
    Fuel Gauge
    Dial Range:
    E-1/2-F
    Sender Code:
    F
    $56.19 $47.53
    Add to Cart
  • Sierra Sahara Water Press Kit 40 Psi 69870P
    Add to Cart

    Sierra Sahara Water Press Kit 40 Psi 69870P

    Sierra

    $146.79 $121.07
    Sierra Sahara Water Press Kit 40 Psi 69870PBlack graphics on a tan dial background light red at night. Very low profile bezels follow the curve of the lens to eliminate water "trapping". Pointers are black with a fire-orange tip. Perimeter and...
    Part Number:
    11-69870P
    Availability:
    In Stock - Ships same or next business day.
    Size:
    2"
    Type:
    Outboard Water Pressure
    Dial Range:
    40 psi
    Sender Code:
    WP included
    $146.79 $121.07
    Add to Cart
  • Sierra V-Belt 18-15455
    Add to Cart

    Sierra V-Belt 18-15455

    Sierra

    $20.39 $13.77
    Sierra V-Belt 18-15455High strength synthetic cords resist shockload failure.The compression section is a special rubber compound that assures smooth and even transfer of load forces to the cords.Cogs are molded to precise engineering tolerances to...
    Part Number:
    47-15455
    Availability:
    In Stock - Ships same or next business day.
    Eff. Length:
    45-1/2"
    Top Width:
    29/64"
    OEM #:
    OMC 908929 - Volvo 3852464
    $20.39 $13.77
    Add to Cart
  • Sierra Volvo OMC Exhaust Manifold GM Small Block 5.0-5.7L Vp#3857723 18-1986-1 18-1986-2
    Add to Cart

    Sierra Volvo OMC Exhaust Manifold GM Small Block 5.0-5.7L Vp#3857723 18-1986-1 18-1986-2

    Sierra

    $455.59 $345.99
    Sierra Manifold-GM5.0-5.7L Vp#3857723 18-1986-1 , 18-1986-2 Sierra manifolds are painted; packaged and leak tested.
    Part Number:
    47-19862
    Availability:
    In Stock - Ships same or next business day.
    Replaces:
    Volvo 3852374-2 - 3857723 -
    3847501 - OMC 3852374 - 3857723
    Application:
    Port & Starboard - 5.0L & 5.7L GM (new style).
    Uses gasket 2949 and mounting kit 8502
    $455.59 $345.99
    Add to Cart
  • Sold Out, please call for ETA.
    Uflex Dual Straight Lvr/Sgl/F Mount/ B50

    Uflex Dual Straight Lvr/Sgl/F Mount/ B50

    Uflex

    $495.60
    Uflex Dual Straight Lvr/Sgl/F Mount/ B50 Two lever/ single action for shift OR throttle. Flush mount suitable for exposed positions such as flying bridge Made of marine aluminum with chrome plated lever Available with straight or bent...
    Part Number:
    216-B50
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Throttle and shift
    Type:
    Straight Lever
    $495.60
    Sold out - Special order may be available, please call 856-232-6969 ext1
  • Attwood Marine Gas Vent Black 90 Degree 1670-3
    Add to Cart

    Attwood Marine Gas Vent Black 90 Degree 1670-3

    Attwood Marine

    $25.69 $15.20
    Attwood Marine Gas Vent Black 90 Degree 1670-3 These vents help prevent water from entering the fuel tank, yet allow air to vent freely, during normal sea conditions and washdowns. This eliminates the need for an anti-siphon loop in the vent hose...
    Part Number:
    23-16703
    Availability:
    In Stock - Ships same or next business day.
    Type:
    Black
    Hose:
    5/8" I.D.
    Max Hull Thickness:
    9/16"
    Hole:
    3/4"
    Pkg.:
    Retail
    $25.69 $15.20
    Add to Cart
  • Centek 2 Check Valve Assembly 1200328
    Add to Cart

    Centek 2 Check Valve Assembly 1200328

    Centek

    $235.89 $186.89
    Centek 2 Check Valve Assembly 1200328 Lightweight, strong, non-corroding, and durable. Fittings are installed easily and their outside dimensions are compatible with tubing and approved marine rubber exhaust hoses.
    Part Number:
    383-1200328
    Availability:
    In Stock - Ships same or next business day.
    Dia.:
    4.34"
    Size:
    2"
    OD:
    2.00"
    Length:
    8.37"
    $235.89 $186.89
    Add to Cart
  • Centek 3.50 x 4.00 Coupler 1200222
    Add to Cart

    Centek 3.50 x 4.00 Coupler 1200222

    Centek

    $126.29 $93.92
    Centek 3.50 x 4.00 Coupler 1200222These 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:
    383-1200222
    Availability:
    In Stock - Ships same or next business day.
    OD:
    3-1/2" to 4"
    Length:
    10-1/2"
    $126.29 $93.92
    Add to Cart
  • Centek Elbow - 90 Degree 5" 1200175
    Add to Cart

    Centek Elbow - 90 Degree 5" 1200175

    Centek

    $284.19 $208.45
    Centek Elbow - 90 Degree 5" 1200175 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:
    383-1200175
    Availability:
    In Stock - Ships same or next business day.
    OD:
    5"
    Length:
    12-1/4"
    $284.19 $208.45
    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.