Aftermarket Parts
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Seachoice Fuel Conn-Merc Female 1/4 20561
Seachoice
$11.46 $9.99Seachoice Fuel Conn-Merc Female 1/4 20561 Precision engineered fuel connectors- Part Number:
- 50-20561
- Availability:
- In Stock - Ships same or next business day.
- Connector:
- Tank Fitting - Female
- Fits:
- Mercury/Mariner
- Material:
- Hi-Impact Nylon
- Type:
- Deluxe
- Thread:
- 1/4" NPT
- Hose:
- -
$11.46 $9.99 -
Seachoice Fuel Filter 5/16 Barb 21111
Seachoice
$9.30Seachoice Fuel Filter 5/16 Barb 21111 Molded white plastic.- Part Number:
- 50-21111
- Availability:
- In Stock - Ships same or next business day.
- Barb:
- 5/16"
- Application:
- Mercury 35-816296-1 - 35-16494 - J/E 398327
$9.30 -
Seachoice Fuel Gauge Kit 15501
Seachoice
$72.21 $49.99Seachoice Fuel Gauge Kit 15501 Can be used for gas or diesel • 15501: Combination of 15421 and 15441. • 15441: Fuel Gauge: Black bezel low profile fuel gauge for 12V negative ground systemsUse in conjunction with Model...- Part Number:
- 50-15501
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Fuel Gauge Kit
$72.21 $49.99 -
Seachoice Fuel Gauge-Black Bezel 15441
Seachoice
$29.99 $21.90Seachoice Fuel Gauge-Black Bezel 15441 Can be used for gas or diesel • 15501: Combination of 15421 and 15441. • 15441: Fuel Gauge: Black bezel low profile fuel gauge for 12V negative ground systemsUse in conjunction with...- Part Number:
- 50-15441
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Fuel Gauge - Black Bezel
$29.99 $21.90 -
Seachoice Fuel Line Univ Low Perm 21361
Seachoice
$43.63 $31.33Seachoice Fuel Line Univ Low Perm 21361 Meets all EPA, CARB, USCG and ABYC Requirements • • Includes: Low permeation primer bulb, fuel line fittings, stainless steel hose clamps and 3/8" heavy duty, kink resistant fuel line...- Part Number:
- 50-21361
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Universal (w/o connectors)
- Size:
- 3/8" x 7'
$43.63 $31.33 -
Seachoice Funnel With SS Strainer 90220
Seachoice
$12.19 $8.21Seachoice Funnel With SS Strainer 90220 Fabricated of light-weight polyethyleneAllows access to hard to reach openings. • 90210 & 90220: 2-part funnel separates by twisting.- Part Number:
- 50-90220
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Long Flexible w/ss strainer & handle
- Pack:
- Bulk
$12.19 $8.21 -
Seachoice Male Hose Barb-5/16 x 1/4 Npt 20811
Seachoice
$4.76 $4.47Seachoice Male Hose Barb-5/16 x 1/4 Npt 20811 NOT TO BE USED IN POTABLE WATER SYSTEMS. • All brass machined fittingsIdeal for fuel fitting applications.- Part Number:
- 50-20811
- Availability:
- In Stock - Ships same or next business day.
- Thread:
- 1/4" NPT
- Hose:
- 5/16"
$4.76 $4.47 -
Seachoice SS Destroyer Boat Marine 5-Spoke Steering Wheel 28551
Seachoice
$128.36 $89.99Seachoice SS Destroyer Steering Wheel 28551 5 spoke for sturdy trouble free operation • Diameter - 15" • Dish - 25°, • Fits standard 3/4" tapered shaft • All welded and polished 304...- Part Number:
- 50-28551
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Stainless Steel with genuine teak cap
$128.36 $89.99 -
Seachoice SS Destroyer Steering Wheel W 28581
Seachoice
$116.31 $90.20Seachoice SS Destroyer Steering Wheel W 28581 5 spoke for sturdy trouble free operation • Diameter - 15" • Dish - 25°, • Fits standard 3/4" tapered shaft • All welded and polished 304...- Part Number:
- 50-28581
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Stainless Steel with permanent foam grip & black center cap
$116.31 $90.20 -
Seachoice Volvo 290 Dp Kit - Al 50-95311
Seachoice
$43.48 $30.90Seachoice Volvo 290 Dp Kit - Al 50-95311 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:
- 50-95311
- Availability:
- In Stock - Ships same or next business day.
- Fits:
- 290 HP Dual Prop
- Material:
- Aluminum
$43.48 $30.90 -
Seachoice White Molded Clam Shell-Large 16171
Seachoice
$12.81 $9.55Seachoice White Molded Clam Shell-Large 16171 UV and weather resistant and great for routing cables, wire, etc.- Part Number:
- 50-16171
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 2" x 2-3/8"
- Color:
- White
- Pack:
- 1 pr.
$12.81 $9.55 -
Seachoice Yamaha 150 Kit Yam 150 Hp Al 50-95211
Seachoice
$36.99 $30.37Seachoice Yamaha 150 Kit Yam 150 Hp Al 50-95211 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:
- 50-95211
- Availability:
- In Stock - Ships same or next business day.
- Fits:
- 150-200 HP
- Material:
- Aluminum
$36.99 $30.37 -
Seachoice Yamaha 200-300 Hp Hi Perf Kit 50-95251
Seachoice
$43.49 $34.19Seachoice Yamaha 200-300 Hp Hi Perf Kit 50-95251 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:
- 50-95251
- Availability:
- In Stock - Ships same or next business day.
- Fits:
- 200-300 HP
- Material:
- Aluminum
$43.49 $34.19 -
Seastar 1/4 x 1/2 Pivot 40 Series 36361
Seastar
$21.49 $17.99Seastar 1/4 x 1/2 Pivot 40 Series 36361- Part Number:
- 1-036361
- Availability:
- In Stock - Ships same or next business day.
- Cable:
- 4300
- A:
- 1/4"
- B:
- 1/2"
- C:
- 1/2"
- D:
- 17/64"
- E:
- 15/16"
$21.49 $17.99 -
Seastar 3300/Adapter Kit Merc-O/B-I/O Ca27319P
Seastar
$44.59 $34.99Seastar 3300/Adapter Kit Merc-O/B-I/O Ca27319P For use with 3300 and 3300HP cable. Quick installation and maximum adjustment at engine. Includes throttle and shift adapters.- Part Number:
- 1-CA27319P
- Availability:
- In Stock - Ships same or next business day.
- For:
- Mercury O/B & I/O
$44.59 $34.99 -
Seastar 630 Series Control Cable CC210
Seastar
$82.19 $51.87Seastar 630 Series Control Cable CC210 Mariner/Mercury/Mercruiser/Force/US MarineStainless steel and brass fittings. Fits Mariner (pre-1993 40hp & less w/Mercury/Mariner controls. 8" Min bend radius.- Part Number:
- NW-1CC210
- Availability:
- In Stock - Ships same or next business day.
$82.19 $51.87 -
Seastar Ball Joint Kit 1/4-28 30Ser. 31126
Seastar
$24.09 $20.99Seastar Ball Joint Kit 1/4-28 30Ser. 31126- Part Number:
- 1-031126
- Availability:
- In Stock - Ships same or next business day.
- Cable:
- 3300
- Stud:
- 9/16"
- Thread:
- 46756
$24.09 $20.99 -
Seastar Bezel F/Back Mount Rack Helm Sb39526P
Seastar
$35.29 $34.99Seastar Bezel F/Back Mount Rack Helm Sb39526P- Part Number:
- 1-SB39526P
- Availability:
- In Stock - Ships same or next business day.
- Type:
- 90 Deg - Back Mount
$35.29 $34.99 -
Seastar Bleeder Tee Assembly F/Tm Cyls (2) Hf5519
Seastar
$249.39 $168.33Seastar Bleeder Tee Assembly F/Tm Cyls (2) Hf5519All Older Style SeaStar manual hydraulic steering systems. These are 3/8" compression fittings which utilize a 9/16"-24 extra fine thread. (Seastar Solutions New Updated cylinders with part numbers ending...- Part Number:
- 1-HF5519
- Availability:
- In Stock - Ships same or next business day.
- Type:
- Bleed tee (TM cylinders)
- Material:
- Brass
- Bag:
- 2
$249.39 $168.33 -
Seastar Bulk Head Hose Kits 24' 2/Bx Ho8124
Seastar
$396.79 $288.30Seastar Bulk Head Hose Kits 24' 2/Bx Ho8124SeaStar® Bulkhead Hose Kits assure a neat hydraulic steering installation. Each hose has an integral bulkhead fitting for tidy routing of hoses through a splashwell bulkhead, helping to eliminate excess...- Part Number:
- 1-HO8124
- Availability:
- In Stock - Ships same or next business day.
- Length:
- 24'
- Box:
- 2
$396.79 $288.30
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.