Aftermarket Parts
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Seastar Seastar Cylinder Ba 125 7 Atm Hc53123
Seastar
$928.09 $670.32Seastar Seastar Cylinder Ba 125 7 Atm Hc53123These cylinders are for single and dual rudder vessels with two axis articulation and offer easy autopilot interface. Cylinders are supplied with bleeder fittings.- Part Number:
- 1-HC53123
- Availability:
- In Stock - Ships same or next business day.
- Type:
- BA125-7ATM
- Body Dia.:
- 1.375"
- Shaft:
- .50"
$928.09 $670.32 -
Seastar Seastar Cylinder Ba 150 7 Atm Hc53143
Seastar
$1,019.49 $829.99Seastar Seastar Cylinder Ba 150 7 Atm Hc53143 These cylinders are for single and dual rudder vessels with two axis articulation and offer easy autopilot interface. Cylinders are supplied with bleeder fittings.- Part Number:
- 1-HC53143
- Availability:
- In Stock - Ships same or next business day.
- Type:
- BA150-7ATM
- Body Dia.:
- 1.75"
- Shaft:
- .625"
$1,019.49 $829.99 -
Sold Out, please call for ETA.
Seastar Seastar Cylinder Ba 150-7Tm Hc5318
Seastar
$1,035.79 $22.10Seastar Seastar Cylinder Ba 150-7Tm Hc5318These cylinders are for single and dual rudder vessels with two axis articulation and offer easy autopilot interface. Cylinders are supplied with bleeder fittings.- Part Number:
- 1-HC5318
- Availability:
- In Stock - Ships same or next business day.
- Type:
- BA 150-7TM
- Body Dia.:
- 1.75"
- Shaft:
- .625"
$1,035.79 $22.10 -
Seastar Stainless Support Tube Kit Sa27275P
Seastar
$144.79 $92.44Seastar Stainless Support Tube Kit Sa27275P- Part Number:
- 1-SA27275P
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Stainless Steel Support Tube
$144.79 $92.44 -
Seastar Steering Cable Xtreme SSCX64
Seastar
$178.49 $171.92Seastar Steering Cable Xtreme SSCX64 Replacement cables for Xtreme NFB kits SSX176X and SSX177X. A brand new XTREME, steering cable was designed specifically for the XTREME helms. This cable offers lower backlash and is more efficient than a standard...- Part Number:
- NW-1SSCX64
- Availability:
- In Stock - Ships same or next business day.
$178.49 $171.92 -
Sold Out, please call for ETA.
Seastar Steering Kit-Seastar 53123 I/B Hk4410-3
Seastar
$1,621.29 $1,434.16Seastar Steering Kit-Seastar 53123 I/B Hk4410-3SeaStar inboard kits include the 1.7 front mount helm, 60 feet of tubing, and 2 x 1 liter hydraulic fluid. Helm and cylinder now equipped with adjustable O-ring fittings to simplify the installation process...- Part Number:
- 1-HK44103
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Planing hulls to 32ft
- Cylinder:
- HC5312-3
$1,621.29 $1,434.16 -
Sold Out, please call for ETA.
Seastar Steering Kit-Seastr Tilt Class Hk6400Tc-3
Seastar
$1,721.29 $1,721.25Seastar Steering Kit-Seastr Tilt Class Hk6400Tc-3This popular outboard hydraulic steering system offers smooth, super-efficient steering for high performance hulls with single or multiple outboards up to 700 hp combined. Helm and cylinder now equipped...- Part Number:
- 1-HK6400TC3
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Tilt Steering System w/o Hoses
$1,721.29 $1,721.25 -
Sold Out, please call for ETA.
Seastar Steering Kit-Seastr Tilt Sport Hk6400Ts-3
Seastar
$2,283.19 $2,052.99Seastar Steering Kit-Seastr Tilt Sport Hk6400Ts-3This popular outboard hydraulic steering system offers smooth, super-efficient steering for high performance hulls with single or multiple outboards up to 700 hp combined. Helm and cylinder now equipped...- Part Number:
- 1-HK6400TS3
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Tilt Steering System w/o Hoses
$2,283.19 $2,052.99 -
Seastar T2 Hdwe Kit 3-Eng 2-Cyl W-Plts Ha6806
Seastar
$1,024.49 $852.82Seastar T2 Hdwe Kit 3-Eng 2-Cyl W-Plts Ha6806Engineered to provide today's high-powered offshore tournament boats and other high-performance vessels with precise, smooth and reliable steering. This heavy-duty cylinder is designed to work with all new and...- Part Number:
- 1-HA6806
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Triple engine - dual cylinder
$1,024.49 $852.82 -
Seastar Throttle Cable Brake 44386
Seastar
$47.89 $28.75Seastar Throttle Cable Brake 44386Installed at control end of cable to fight throttle creep. For 3300, 4300 and 6400 series.- Part Number:
- 1-044386
- Availability:
- In Stock - Ships same or next business day.
$47.89 $28.75 -
Seastar Tie Bar-SS Kicker Cable 22" Ho6122
Seastar
$704.49 $580.77Seastar Tie Bar-SS Kicker Cable 22" Ho6122Allows a user to manually steer an auxiliary engine (kicker motor) using most existing Seastar hydraulic steering systems. Design incorporates a Seastar Solutions Xtreme cable as the linkage between the two...- Part Number:
- 1-HO6122
- Availability:
- In Stock - Ships same or next business day.
- Length:
- 22"
$704.49 $580.77 -
Seastar Tiller Arm Adapt Kit '89 Merc Ho5035
Seastar
$224.19 $156.43Seastar Tiller Arm Adapt Kit '89 Merc Ho5035Includes bar and extension plate. For twin engines.- Part Number:
- 1-HO5035
- Availability:
- In Stock - Ships same or next business day.
- Fits:
- Single Mercury (1989 to Date)
$224.19 $156.43 -
Seastar Tilt Helm Nfb Backmount R&P Sh91630P
Seastar
$259.19 $194.99Seastar Tilt Helm Nfb Backmount R&P Sh91630P High-Performance back mount, single-cable rack & pinion helm. Requires separate tilt mechanism SH91800P.- Part Number:
- 1-SH91630P
- Availability:
- In Stock - Ships same or next business day.
$259.19 $194.99 -
Seastar Tournament Series 2 Adjustable Tiebar - M Ho6821
Seastar
$556.29 $484.99Seastar Tournament 2 Adj Tiebar - M Ho6821 Engineered to provide today's high-powered offshore tournament boats and other high-performance vessels with precise, smooth and reliable steering. This heavy-duty cylinder is designed to work with all new and...- Part Number:
- 1-HO6821
- Availability:
- In Stock - Ships same or next business day.
- Description:
- 26.6" - 29.3"
$556.29 $484.99 -
Seastar Travel Tube F/No Feed Back Sa38603P
Seastar
$15.49 $10.61Seastar Travel Tube F/No Feed Back Sa38603P- Part Number:
- 1-SA38603P
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Spent Tube for NFB 4.2 - NFB SAFE-T II - HPS Rotary Helms
$15.49 $10.61 -
Seastar Wheel Viper 14' Ergonomic Grip Sw52022P
Seastar
$256.69 $189.25Seastar Wheel Viper 14' Ergonomic Grip Sw52022P3 spokeFits standard 3/4" tapered shaft- Part Number:
- 1-SW52022P
- Availability:
- In Stock - Ships same or next business day.
- Dia.:
- 14"
$256.69 $189.25 -
Sold Out, please call for ETA.
Seastar Wheel- Stealth 14 Sw59491P
Seastar
$116.99 $84.25Seastar Wheel- Stealth 14 Sw59491P3 SpokeBlack plastic wheel rimFits standard 3/4" tapered shaft- Part Number:
- 1-SW59491P
- Availability:
- In Stock - Ships same or next business day.
- Dia.:
- 14 "
$116.99 $84.25 -
Seloc Publishing Manual Johnson/Evinrude 58-72 1.5-125hp 104Cy 1301
Seloc Publishing
$62.09 $55.99Seloc Publishing Manual Johnson/Evinrude 58-72 1.5-125hp 104Cy 1301The only marine tune-up manuals to be certified by the engine manufacturers as accurate and complete. Seloc uses easy to understand, step-by-step, illustrated procedures for the complete...- Part Number:
- 230-1301
- Availability:
- In Stock - Ships same or next business day.
- Type:
- Johnson/Evinrude O/B
- Description:
- 1-4 Cyl
- HP:
- 1.5-125
- Year:
- 1958-1972
$62.09 $55.99 -
Seloc Publishing Manual Johnson/Evinrude 73-89 1.25-60hp 1-2Cy 1302
Seloc Publishing
$62.09 $55.99Seloc Publishing Manual Johnson/Evinrude 73-89 1.25-60hp 1-2Cy 1302 The only marine tune-up manuals to be certified by the engine manufacturers as accurate and complete. Seloc uses easy to understand, step-by-step, illustrated procedures for the...- Part Number:
- 230-1302
- Availability:
- In Stock - Ships same or next business day.
- Type:
- Johnson/Evinrude O/B
- Description:
- 1-2 Cyl
- HP:
- 1.25-60
- Year:
- 1973-1989
$62.09 $55.99 -
Sold Out, please call for ETA.
Seloc Publishing Manual Johnson/Evinrude 73-91 60-235hp 3-6Cy 1308
Seloc Publishing
$62.09 $55.99Seloc Publishing Manual Johnson/Evinrude 73-91 60-235hp 3-6Cy 1308The only marine tune-up manuals to be certified by the engine manufacturers as accurate and complete. Seloc uses easy to understand, step-by-step, illustrated procedures for the complete...- Part Number:
- 230-1308
- Availability:
- In Stock - Ships same or next business day.
- Type:
- Johnson/Evinrude O/B
- Description:
- 3-6 Cyl
- HP:
- 60-235
- Year:
- 1973-1991
$62.09 $55.99
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.
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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.
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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
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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
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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
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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.
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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.