Aftermarket Parts
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Seachoice Motorwell Boot-Vinyl Plas-3 29301
Seachoice
$9.84 $8.99Seachoice Motorwell Boot-Vinyl Plas-3 29301 Seals off water intake and protects cables, wiring and gas linesMade of durable vinyl plastisol.- Part Number:
- 50-29301
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 3"
$9.84 $8.99 -
Sold Out, please call for ETA.
Seachoice Proflo Motor Flush Universal 18301
Seachoice
$7.93 $6.59Seachoice Proflo Motor Flush Universal 18301 Flush away sand, silt and saltPrevents clogging and corrosionFor use on most outboards and inboard/outboards with side water inlets.- Part Number:
- 50-18301
- Availability:
- In Stock - Ships same or next business day.
$7.93 $6.59 -
Seachoice Reed Switch 150Mm 13" 50-15556
Seachoice
$140.58 $79.99Seachoice Reed Switch 150Mm 13" 50-15556 Compatible with most fuel gauges on the market today, with 33 (full) and 240 (empty) ohm gauges, and no moving mechanical parts makes them extremely durableOur senders feature stainless steel immersion tubes,...- Part Number:
- 50-15556
- Availability:
- In Stock - Ships same or next business day.
- Length:
- 13"
$140.58 $79.99 -
Seachoice Self Priming Pump 19141
Seachoice
$25.16 $19.99Seachoice Self Priming Pump 19141 Just shake end with glass ball while in tank to be drainedPut other end of hose in tank to be filledIdeal for transferring liquids (fuel, water, etc.) Anti-static for transferring fuel.- Part Number:
- 50-19141
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 1/2" x 6'
$25.16 $19.99 -
Seachoice Square Hour Meter-Black Bezel 15321
Seachoice
$53.07 $44.99Seachoice Square Hour Meter-Black Bezel 15321 High impact polycarbonate caseSelf-lubricating parts, increases shelf life, reduces frictionPolarity insensitivity prevents installation errorsU-bracket mounting4V to 50V DCMeets NEMA and SAE specifications.- Part Number:
- 50-15321
- Availability:
- In Stock - Ships same or next business day.
- Finish:
- Rectangular
$53.07 $44.99 -
Seachoice SS Destroyer Steering Wheel 28541
Seachoice
$167.98 $123.35Seachoice SS Destroyer Steering Wheel 28541 5 spoke for sturdy trouble free operation • Diameter - 15" • Dish - 25°, • Fits standard 3/4" tapered shaft • All welded and polished 304 stainless...- Part Number:
- 50-28541
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Stainless Steel with turning knob & black center cap
$167.98 $123.35 -
Seachoice SS Steering Guard-1 28261
Seachoice
$43.24 $29.21Seachoice SS Steering Guard-1 28261 The Steering Guard should be installed on all cable and side-mounted hydraulic steering systems to lubricate, clean and seal the systemWill more than double the life of a new cable systemMade of stainless steelInstalls...- Part Number:
- 50-28261
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 1"
$43.24 $29.21 -
Seachoice SS Steering Guard-7/8 28251
Seachoice
$43.24 $29.78Seachoice SS Steering Guard-7/8 28251 The Steering Guard should be installed on all cable and side-mounted hydraulic steering systems to lubricate, clean and seal the systemWill more than double the life of a new cable systemMade of stainless...- Part Number:
- 50-28251
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 7/8"
$43.24 $29.78 -
Seachoice Suzuki 90-140 - Aluminum 50-95431
Seachoice
$45.91 $30.01Seachoice Suzuki 90-140 - Aluminum 50-95431 Cadmium free, environmentally friendly. • Aluminum: For salt and brackish waterConform to: Mil-Spec A-24779(SH) • Magnesium: For freshwater onlyConform to: Mil-Spec...- Part Number:
- 50-95431
- Availability:
- In Stock - Ships same or next business day.
- Fits:
- 90-140 HP
- Material:
- Aluminum
$45.91 $30.01 -
Seachoice Turning Knob SS-Medium 28521
Seachoice
$36.99 $24.91Seachoice Turning Knob SS-Medium 28521 Easily converts existing Destroyer wheels to the most modern versionsInstallation tool includedFits Destroyer wheels only.- Part Number:
- 50-28521
- Availability:
- In Stock - Ships same or next business day.
$36.99 $24.91 -
Seachoice Turning Knob-SS-Large 28491
Seachoice
$41.99 $27.77Seachoice Turning Knob-SS-Large 28491 Easily converts existing Destroyer wheels to the most modern versionsAttractive and durable black plastic centerFits Destroyer wheels only.- Part Number:
- 50-28491
- Availability:
- In Stock - Ships same or next business day.
$41.99 $27.77 -
Seachoice Volvo/Omc Sx Kit - Al 50-95341
Seachoice
$59.99 $45.85Seachoice Volvo/Omc Sx Kit - Al 50-95341 Cadmium free, environmentally friendly. • Aluminum: For salt and brackish waterConform to: Mil-Spec A-24779(SH) • Magnesium: For freshwater onlyConform to: Mil-Spec...- Part Number:
- 50-95341
- Availability:
- In Stock - Ships same or next business day.
- Fits:
- SX
- Material:
- Aluminum
$59.99 $45.85 -
Seachoice Wire Tube Brush 90391
Seachoice
$19.99 $12.53Seachoice Wire Tube Brush 90391 Cleans tilt tubes • For use with electric drills • Sold in pairs- Part Number:
- 50-90391
- Availability:
- In Stock - Ships same or next business day.
- Pack:
- 1 pr.
$19.99 $12.53 -
Sold Out, please call for ETA.
Seastar 1250V Seastar Helm Pump Hh5250
Seastar
$2,095.59 $1,452.50Seastar 1250V Seastar Helm Pump Hh5250For extra heavy duty/commercial vessels, the Capilano steering system offers extremely rugged and reliable 'variable flow'. Rear-mount helms and heavy duty brass cylinders with stainless steel and bronze mounting...- Part Number:
- 1-HH5250
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Model 1250V
$2,095.59 $1,452.50 -
Seastar 3300 Clamp And Shim Ca28020P
Seastar
$16.49 $15.99Seastar 3300 Clamp And Shim Ca28020P- Part Number:
- 1-CA28020P
- Availability:
- In Stock - Ships same or next business day.
- Cable:
- 3300
- Description:
- Clamp & Shim
- Center:
- 7/8"
- Width:
- 1/2"
$16.49 $15.99 -
Seastar 400A Low Hp Connection Kit Ca27208P
Seastar
$148.99 $119.99Seastar 400A Low Hp Connection Kit Ca27208P This kit is for use with CC170 series cables, 35HP and below, 1973-78.- Part Number:
- 1-CA27208P
- Availability:
- In Stock - Ships same or next business day.
$148.99 $119.99 -
Seastar 90 Deg Safe-T Bezel - Black Sb27484P
Seastar
$40.09 $39.99Seastar 90 Deg Safe-T Bezel - Black Sb27484P- Part Number:
- 1-SB27484P
- Availability:
- In Stock - Ships same or next business day.
- Type:
- 90 Deg -
$40.09 $39.99 -
Sold Out, please call for ETA.
Seastar 90 Degree Splashwell Kit Sa27254P
Seastar
$155.29 $125.55Seastar 90 Degree Splashwell Kit Sa27254P- Part Number:
- 1-SA27254P
- Availability:
- In Stock - Ships same or next business day.
- Description:
- 90 Deg - Corrosion Resistant Splashwell Mounting Kit
$155.29 $125.55 -
Seastar Autopilot Pump-Type 2 12V Ap1233
Seastar
$806.99Seastar Autopilot Pump-Type 2 12V Ap1233 Fixed flow, reversible pump set that uses an internal hydraulic gear pump, producing very little vibration or noise. Long life 12 VDC motor (i.e. long life brushes) Compact design Simplified...- Part Number:
- 1-AP1233
- Availability:
- In Stock - Ships same or next business day.
- Description:
- 100 cu in
$806.99 -
Seastar Back Mount Steering Rack No Feedback Dual Package SS152
Seastar
$797.39 $629.99Seastar Back Mount Steering Rack No Feedback Dual Package SS152 NFB Pro Rack systems are suitable for single-station, high performance boats equipped with a single non-power-assisted outboard (up to V-6) in which engine flutter or steering instability is...- Part Number:
- NW-1SS152K
- Availability:
- In Stock - Ships same or next business day.
$797.39 $629.99
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.