Aftermarket Parts
-
Seachoice Hour Meter Black Bezel 15311
Seachoice
$62.87 $52.99Seachoice Hour Meter Black Bezel 15311 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:
- 50-15311
- Availability:
- In Stock - Ships same or next business day.
- Finish:
- Black Bezel
$62.87 $52.99 -
Seachoice Male Hose Barb-3/8 x 1/4 Npt 20821
Seachoice
$4.05 $4.00Seachoice Male Hose Barb-3/8 x 1/4 Npt 20821 NOT TO BE USED IN POTABLE WATER SYSTEMS. • All brass machined fittingsIdeal for fuel fitting applications.- Part Number:
- 50-20821
- Availability:
- In Stock - Ships same or next business day.
- Thread:
- 1/4" NPT
- Hose:
- 3/8"
$4.05 $4.00 -
Seachoice Red Knob (For 2840 & 2839) 28411
Seachoice
$8.99 $7.99Seachoice Red Knob (For 2840 & 2839) 28411 Made of chrome plated brassEach separate lever controls clutch and throttle for one engineNot for dual station applicationsFunctions easily identified by red and black knobsDesigned to use 33C type control...- Part Number:
- 50-28411
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Red Knob
$8.99 $7.99 -
Special Order! See availaility for details
Seachoice Reed Switch 250Mm 10 50-15551
Seachoice
$87.38 $56.02Seachoice Reed Switch 250Mm 10 50-15551 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:
- 50-15551
- Availability:
- In Stock - Ships same or next business day.
- Length:
- 10"
$87.38 $56.02 -
Sold Out, please call for ETA.
Seachoice Water Separating Kit-Plastic 20931
Seachoice
$44.58 $30.04Seachoice Water Separating Kit-Plastic 20931 Reusable see-thru plastic bowl with drain, and 10 micron filter (20951).- Part Number:
- 50-20931
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Seachoice - Racor - Moeller - Yamaha - Suzuki - SMI - Volvo Penta - Sierra - Aqua Power - and other filter heads.
$44.58 $30.04 -
Seastar 3300 Brass Pivot Kit F/Ch4400& Ca27563P
Seastar
$65.89 $52.99Seastar 3300 Brass Pivot Kit F/Ch4400& Ca27563P Brass. Heavy duty. Fits Teleflex Morse and other control cables with 10-32 ends. Kit contains 2 each of pivot end, bushing, cotter pin and washer. For use on CH4400 or CH5600 series controls.- Part Number:
- 1-CA27563P
- Availability:
- In Stock - Ships same or next business day.
$65.89 $52.99 -
Seastar Bolt Hex Head & Nut 3/8 185921 Hp6007
Seastar
$91.39 $70.74Seastar Bolt Hex Head & Nut 3/8 185921 Hp6007- Part Number:
- 1-HP6007
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Bolt - hex head and nut - 3/8" x 1-5/8" - 3 each
$91.39 $70.74 -
Seastar Cable Clamp Two 7/32 Dia 31532
Seastar
$6.69 $4.95Seastar Cable Clamp Two 7/32 Dia 31532- Part Number:
- 1-031532
- Availability:
- In Stock - Ships same or next business day.
- Cable:
- 4300
- Description:
- Clamp
- Center:
- 1/2"
- Width:
- 1"
$6.69 $4.95 -
Seastar Cylinder Outboard Fm Pro Yam Hc6358-3
Seastar
$1,195.39 $859.67Seastar Cylinder Outboard Fm Pro Yam Hc6358-3The SeaStar Pro Front Mount Outboard Cylinders have keyed support brackets to prevent racking of the cylinder which gives it a more solid feel and more robust bushings. Suited for all those critical high...- Part Number:
- 1-HC63583
- Availability:
- In Stock - Ships same or next business day.
- Description:
- SeaStar Pro - Yamaha
- Mount:
- Pivot
$1,195.39 $859.67 -
Sold Out, please call for ETA.
Seastar Helm-Seastar 1 1.7 Hh5271-3
Seastar
$793.39 $692.99Seastar Helm-Seastar 1 1.7 Hh5271-3Efficient, safe and reliable. Easy to install. Feature helm rotor supported by 3 roller bearings, ball bearing piston race, simplified integrated metal construction, field replaceable shaft seal, 1/4'' NPT port threads,...- Part Number:
- 1-HH52713
- Availability:
- In Stock - Ships same or next business day.
- Type:
- SeaStar 1.7
- Mount:
- Front
$793.39 $692.99 -
Sold Out, please call for ETA.
Seastar Helm-Seastar 1.4 Hh5269-3
Seastar
$862.99 $789.23Seastar Helm-Seastar 1.4 Hh5269-3Efficient, safe and reliable. Easy to install. Feature helm rotor supported by 3 roller bearings, ball bearing piston race, simplified integrated metal construction, field replaceable shaft seal, 1/4'' NPT port threads,...- Part Number:
- 1-HH52693
- Availability:
- In Stock - Ships same or next business day.
- Type:
- SeaStar 1.4
- Mount:
- Front
$862.99 $789.23 -
Seastar Hose Kit-2Pc Seastar O/B 18 Ft Ho5118
Seastar
$217.99 $164.99Seastar Hose Kit-2Pc Seastar O/B 18 Ft Ho5118 Includes two hoses - can be used with all SeaStar systems, except SeaStar PRO, BayStar, Capilano and 3-line inboard systems. ID of 5/16".- Part Number:
- 1-HO5118
- Availability:
- In Stock - Ships same or next business day.
- Length:
- 18'
- Box:
- 2
$217.99 $164.99 -
Seastar Hose Kit-2Pc Seastar O/B 30 Ft Ho5130
Seastar
$378.19 $319.99Seastar Hose Kit-2Pc Seastar O/B 30 Ft Ho5130 Includes two hoses - can be used with all SeaStar systems, except SeaStar PRO, BayStar, Capilano and 3-line inboard systems. ID of 5/16".- Part Number:
- 1-HO5130
- Availability:
- In Stock - Ships same or next business day.
- Length:
- 30'
- Box:
- 2
$378.19 $319.99 -
Seastar Hose Kit-2Pc Seastar O/B 4 Ft Ho5104
Seastar
$193.79 $159.99Seastar Hose Kit-2Pc Seastar O/B 4 Ft Ho5104 Includes two hoses - can be used with all SeaStar systems, except SeaStar PRO, BayStar, Capilano and 3-line inboard systems. ID of 5/16".- Part Number:
- 1-HO5104
- Availability:
- In Stock - Ships same or next business day.
- Length:
- 4'
- Box:
- 2
$193.79 $159.99 -
Seastar Hose Kit-2Pc Seastar O/B 8 Ft Ho5108
Seastar
$187.09 $149.21Seastar Hose Kit-2Pc Seastar O/B 8 Ft Ho5108Includes two hoses - can be used with all SeaStar systems, except SeaStar PRO, BayStar, Capilano and 3-line inboard systems. ID of 5/16".- Part Number:
- 1-HO5108
- Availability:
- In Stock - Ships same or next business day.
- Length:
- 8'
- Box:
- 2
$187.09 $149.21 -
Seastar Liquid Tiebar Valve Ha54712
Seastar
$626.39 $449.99Seastar Liquid Tiebar Valve Ha54712 The SeaStar cylinder allows for the periodic required realignment of two outboard motors or rudders that are linked together with a hydraulic tie bar as opposed to a solid link or a mechanical tie bar. Hydraulic tie...- Part Number:
- 1-HA54712
- Availability:
- In Stock - Ships same or next business day.
$626.39 $449.99 -
Sold Out, please call for ETA.
Seastar OMC 479 Cable CC205
Seastar
$50.69 $45.16Seastar OMC 479 Cable CC205 Stainless steel and brass fittings. Fits 1979-date BRP/OMC/Johnson/Evinrude w/BRP/OMC controls and OMC Turbo Jets w/OMC side mount controls that accept OMC "snap in" type cable. 8" Min. bend radius.- Part Number:
- NW-1CC205
- Availability:
- In Stock - Ships same or next business day.
$50.69 $45.16 -
Seastar Orb Cylinder Bleeder Tee 2Pk Hf6002
Seastar
$97.69 $87.99Seastar Orb Cylinder Bleeder Tee 2Pk Hf6002 All 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 in...- Part Number:
- 1-HF6002
- Availability:
- In Stock - Ships same or next business day.
- Type:
- Bleeder/Tee - Vertical
- Material:
- Aluminum
- Bag:
- 2
$97.69 $87.99 -
Seastar Seal Kit 175-7Ba Std Tr M Hs5183
Seastar
$107.99 $85.99Seastar Seal Kit 175-7Ba Std Tr M Hs5183- Part Number:
- 1-HS5183
- Availability:
- In Stock - Ships same or next business day.
$107.99 $85.99 -
Seastar Seastar 20 Deg Bezel Ha5419
Seastar
$166.19 $114.99Seastar Seastar 20 Deg Bezel Ha5419 For standard helms. Allows a SeaStar helm to be mounted 20°, from perpendicular (not for BayStar).- Part Number:
- 1-HA5419
- Availability:
- In Stock - Ships same or next business day.
- Description:
- 20 Deg - Dash Mounting Wedge Kit
$166.19 $114.99
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.