Aftermarket Parts
-
Sold Out, please call for ETA.
Seastar Neutral Safety Switch Ca27090P
Seastar
$61.19 $40.57Seastar Neutral Safety Switch Ca27090P- Part Number:
- 1-CA27090P
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Optional Neutral Safety Switch
$61.19 $40.57 -
Seastar Neutral Safety Switch Mt3 & Sg 305499
Seastar
$41.89 $28.36Seastar Neutral Safety Switch Mt3 & Sg 305499- Part Number:
- 1-305499
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Neutral Safety Switch
$41.89 $28.36 -
Seastar Nfb Rack Black Bezel Kit Sb39544P
Seastar
$32.09 $28.06Seastar Nfb Rack Black Bezel Kit Sb39544P- Part Number:
- 1-SB39544P
- Availability:
- In Stock - Ships same or next business day.
- Type:
- 90 Deg -
$32.09 $28.06 -
Seastar O/B Tie Bar Kit (Side Mount Cyl) Ho5009
Seastar
$476.69 $426.57Seastar O/B Tie Bar Kit (Side Mount Cyl) Ho5009Includes bar and extension plate. For twin engines.- Part Number:
- 1-HO5009
- Availability:
- In Stock - Ships same or next business day.
- Fits:
- Yamaha (1989 to Date)
$476.69 $426.57 -
Seastar Orb-5 Fitting-Adapts To Hynaut Hf6003
Seastar
$96.39 $82.94Seastar Orb-5 Fitting-Adapts To Hynaut Hf6003All 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-HF6003
- Availability:
- In Stock - Ships same or next business day.
- Type:
- Bleeder/Tee - Hynautic
- Material:
- Aluminum
- Bag:
- 2
$96.39 $82.94 -
Seastar Pivot 30 Series 1/4 Dia 39890
Seastar
$60.59 $39.74Seastar Pivot 30 Series 1/4 Dia 39890- Part Number:
- 1-039890
- Availability:
- In Stock - Ships same or next business day.
- Cable:
- 3300
- A:
- 1/4"
- B:
- 43297
- C:
- 3/8"
- D:
- 0.316
- E:
- 15/16"
$60.59 $39.74 -
Sold Out, please call for ETA.
Seastar Pivot 30 Series 32392
Seastar
$16.99 $0.00Seastar Pivot 30 Series 32392- Part Number:
- 1-032392
- Availability:
- In Stock - Ships same or next business day.
- Cable:
- 3300
- A:
- 1/4"
- B:
- 43297
- C:
- 21/64"
- D:
- 0.295
- E:
- 23/32"
$16.99 $0.00 -
Seastar Pivot 30 Series 37691
Seastar
$16.79 $11.96Seastar Pivot 30 Series 37691- Part Number:
- 1-037691
- Availability:
- In Stock - Ships same or next business day.
- Cable:
- 3300
- A:
- 5/16"
- B:
- 7/16"
- C:
- 3/8"
- D:
- 13/32"
- E:
- 1-1/16"
$16.79 $11.96 -
Seastar Pivot 40 Series 39110
Seastar
$17.59 $12.60Seastar Pivot 40 Series 39110- Part Number:
- 1-039110
- Availability:
- In Stock - Ships same or next business day.
- Cable:
- 4300
- A:
- 1/4"
- B:
- 1/2"
- C:
- 7/16"
- D:
- 9/64"
- E:
- 3/4"
$17.59 $12.60 -
Seastar Pivots 30 Series 1/4'Dia 31539
Seastar
$18.89 $13.58Seastar Pivots 30 Series 1/4'Dia 31539- Part Number:
- 1-031539
- Availability:
- In Stock - Ships same or next business day.
- Cable:
- 3300
- A:
- 1/4"
- B:
- 43297
- C:
- 3/8"
- D:
- 0.191
- E:
- 23/32"
$18.89 $13.58 -
Seastar Power Assist Dual Ignition Kit Ha1201
Seastar
$55.59 $36.23Seastar Power Assist Dual Ignition Kit Ha1201- Part Number:
- 1-HA1201
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Dual Ignition Control Kit
$55.59 $36.23 -
Sold Out, please call for ETA.
Seastar Pro Trim Bezel Switch-Dual Pt2000-1P
Seastar
$159.99 $3.90Seastar Pro Trim Bezel Switch-Dual Pt2000-1PThe new Pro-Trim features redesigned stalks and new graphics. Even wet fingers won't slide on the ergonomically-designed non-slip stalks. The ABS switch cover is UV stabilized for long life under the blazing...- Part Number:
- 1-PT20001P
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Dual Function Trim/Jack Plate Switch
$159.99 $3.90 -
Seastar Prostar Ob Hose Kit-14' 2/Bx Ho5714
Seastar
$287.99 $209.45Seastar Prostar Ob Hose Kit-14' 2/Bx Ho5714Includes two hoses - can be used with all SeaStar systems, except BayStar, Capilano and 3-line inboard systems. For hose length, measure intended hose routing or existing cable path and add 2' to allow for...- Part Number:
- 1-HO5714
- Availability:
- In Stock - Ships same or next business day.
- Length:
- 14'
- Box:
- 2
$287.99 $209.45 -
Seastar Prostar Ob Hose Kit-18' 2/Bx Ho5718
Seastar
$287.69 $214.20Seastar Prostar Ob Hose Kit-18' 2/Bx Ho5718Includes two hoses - can be used with all SeaStar systems, except BayStar, Capilano and 3-line inboard systems. For hose length, measure intended hose routing or existing cable path and add 2' to allow for...- Part Number:
- 1-HO5718
- Availability:
- In Stock - Ships same or next business day.
- Length:
- 18'
- Box:
- 2
$287.69 $214.20 -
Seastar Prostar Ob Hose Kit-22' 2/Bx Ho5722
Seastar
$416.79 $303.99Seastar Prostar Ob Hose Kit-22' 2/Bx Ho5722Includes two hoses - can be used with all SeaStar systems, except BayStar, Capilano and 3-line inboard systems. For hose length, measure intended hose routing or existing cable path and add 2' to allow for...- Part Number:
- 1-HO5722
- Availability:
- In Stock - Ships same or next business day.
- Length:
- 22'
- Box:
- 2
$416.79 $303.99 -
Seastar Quick Release Ball Joint 40 Se 29104
Seastar
$39.99 $26.43Seastar Quick Release Ball Joint 40 Se 29104- Part Number:
- 1-029104
- Availability:
- In Stock - Ships same or next business day.
- Cable:
- 4300
- Stud:
- 9/16"
- Thread:
- 46756
$39.99 $26.43 -
Sold Out, please call for ETA.
Seastar Rack & Pinion Cable F/C200 SSC130
Seastar
$221.89 $180.69Seastar Rack & Pinion Cable F/C200 SSC130 Rack replacement cable for the Morse® 300619 cable used on the Command 200 rack steering system helms, 300252, 300853;310992, 310993, 910994, 310995. All of these helms are obsolete.- Part Number:
- NW-1SSC130
- Availability:
- In Stock - Ships same or next business day.
$221.89 $180.69 -
Sold Out, please call for ETA.
Seastar Relief Valve 500 psi Hp5855Hy
Seastar
$852.79 $9.25Seastar Relief Valve 500 psi Hp5855Hy- Part Number:
- 10-HP5855HY
- Availability:
- In Stock - Ships same or next business day.
- Description:
- 1 qt. Reserve Valve - 500 psi Relief
$852.79 $9.25 -
Sold Out, please call for ETA.
Seastar Relief Valve 950 psi Hp5860Hy
Seastar
$969.89 $9.25Seastar Relief Valve 950 psi Hp5860Hy- Part Number:
- 10-HP5860HY
- Availability:
- In Stock - Ships same or next business day.
- Description:
- 1 qt. Reserve Valve - 950 psi Relief
$969.89 $9.25 -
Sold Out, please call for ETA.
Seastar Relief Valve Msv21
Seastar
$477.99 $305.63Seastar Relief Valve Msv21- Part Number:
- 10-MSV21
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Relief Valve 950 psi
$477.99 $305.63
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.