Aftermarket Parts
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Seastar Orb Fitting-Vertical Tee 2Pk Hf6006
Seastar
$94.79 $84.47Seastar Orb Fitting-Vertical Tee 2Pk Hf6006 These fittings fit updated Seastar cylinders and all helm pump to use O-Ring (ORB) type fittings. Before the update all Seastar Solutions helms used NPT...- Part Number:
- 1-HF6006
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Vertical Tee
- Fits:
- Cylinders
- Bag:
- 2
$94.79 $84.47 -
Seastar Orb Kit-Add Helm/Autopilot O/B Hf6007
Seastar
$277.79 $246.16Seastar Orb Kit-Add Helm/Autopilot O/B Hf6007These fittings fit updated Seastar cylinders and all helm pump to use O-Ring (ORB) type fittings. Before the update all Seastar Solutions helms used NPT...- Part Number:
- 1-HF6007
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Fitting Kit
- Fits:
- Helms
$277.79 $246.16 -
Seastar Pivot 30 Series 37691
Seastar
$18.89 $15.98Seastar 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"
$18.89 $15.98 -
Seastar Safe-T II No Feedback Single Sh5150P
Seastar
$214.99 $166.55Seastar Safe-T II No Feedback Single Sh5150P Collet & hitch pin secure QC cable to helm One bolt holds spent travel tube Safe-T II cast finish helm has No FeedBack&trade, feature, HPS- Part Number:
- 1-SH5150P
- Availability:
- In Stock - Ships same or next business day.
- Type:
- Single Helm (Safe-T II) NFB
$214.99 $166.55 -
Sold Out, please call for ETA.
Seastar Seal Kit F/ SS04 & St04 Ecs06
Seastar
$77.29 $52.22Seastar Seal Kit F/ SS04 & St04 Ecs06- Part Number:
- 10-ECS06
- Availability:
- In Stock - Ships same or next business day.
- Description:
- For SS-04/06 - ST-04/06
$77.29 $52.22 -
Sold Out, please call for ETA.
Seastar Seal Kit F/Cl04 & Cr04 Ecs05
Seastar
$77.29 $57.44Seastar Seal Kit F/Cl04 & Cr04 Ecs05- Part Number:
- 10-ECS05
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Seal Kit: Fits CL04 - CR04
$77.29 $57.44 -
Seastar Seal Kit Gland Tournament Cyl Hp6160
Seastar
$223.89 $136.21Seastar Seal Kit Gland Tournament Cyl Hp6160 Engineered to provide today's high-powered offshore tournament boats and other high-performance vessels with precise, smooth and reliable steering. This...- Part Number:
- 1-HP6160
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Tournament 2 Gland Seal Kit
$223.89 $136.21 -
Seastar Seastar Cylinder Ba 150 7 Atm Hc53143
Seastar
$1,092.49 $768.65Seastar 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...- Part Number:
- 1-HC53143
- Availability:
- In Stock - Ships same or next business day.
- Type:
- BA150-7ATM
- Body Dia.:
- 1.75"
- Shaft:
- .625"
$1,092.49 $768.65 -
Seastar Spa Autopilot Retrofit Kit Ha1205
Seastar
$71.34Seastar Spa Autopilot Retrofit Kit Ha1205- Part Number:
- 1-HA1205
- Availability:
- In Stock - Ships same or next business day.
- Description:
- SPA Retrofit Kit
$71.34 -
Seastar Steering Wheel Black Ace Sw59691P
Seastar
$79.79 $60.15Seastar Steering Wheel Black Ace Sw59691P 3 spoke Black plastic wheel rim Fits standard 3/4" tapered shaft- Part Number:
- 1-SW59691P
- Availability:
- In Stock - Ships same or next business day.
- Dia.:
- 13"
$79.79 $60.15 -
Sold Out, please call for ETA.
Seastar Steerng Kit-Pro Hyd W-20' Hose Hk7520A-3
Seastar
$2,241.49 $1,891.59Seastar Steerng Kit-Pro Hyd W-20' Hose Hk7520A-3 The ultimate steering for high speed single outboards, SeaStar PRO®, is designed for the high speed and performance of today's topend bass boats...- Part Number:
- 1-HK7520A3
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Steering kit w/20' hoses
$2,241.49 $1,891.59 -
Seastar Tee Fitting 3/Bg Hf5533
Seastar
$94.69 $74.26Seastar Tee Fitting 3/Bg Hf5533 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...- Part Number:
- 1-HF5533
- Availability:
- In Stock - Ships same or next business day.
- Type:
- Tee Fitting
- Material:
- Brass
- Bag:
- 3
$94.69 $74.26 -
Sold Out, please call for ETA.
Seastar Terminal 37639
Seastar
$16.89 $16.52Seastar Terminal 37639- Part Number:
- 1-037639
- Availability:
- In Stock - Ships same or next business day.
- Cable:
- 4300
- Material:
- Aluminum
- Pin:
- 5/16"
- Length:
- 1"
$16.89 $16.52 -
Sold Out, please call for ETA.
Seloc Publishing Manual Mercury 65-89 2-40hp 1-2Cyl 1404
Seloc Publishing
$63.39 $58.31Seloc Publishing Manual Mercury 65-89 2-40hp 1-2Cyl 1404The only marine tune-up manuals to be certified by the engine manufacturers as accurate and complete. Seloc uses easy to understand,...- Part Number:
- 230-1404
- Availability:
- In Stock - Ships same or next business day.
- Type:
- Mercury O/B
- Description:
- 1-2 Cyl
- HP:
- 14642
- Year:
- 1965-1989
$63.39 $58.31 -
Sold Out, please call for ETA.
Seloc Publishing Manual Mercury/Mariner 90-00 2.5-275hp 2 Stroke 1416
Seloc Publishing
$63.39 $58.31Seloc Publishing Manual Mercury/Mariner 90-00 2.5-275hp 2 Stroke 1416The only marine tune-up manuals to be certified by the engine manufacturers as accurate and complete. Seloc uses easy to...- Part Number:
- 230-1416
- Availability:
- In Stock - Ships same or next business day.
- Type:
- Mercury/Mariner O/B
- Description:
- All 2 Stroke - incl. jet drives
- HP:
- 2.5-275
- Year:
- 1990-2000
$63.39 $58.31 -
Sherwood Pump P Pumpseawater(Fits Crusader E35
Sherwood Pump
$1,174.99 $850.83Sherwood Pump P Pumpseawater(Fits Crusader E35Impeller Kit: 10615KMinor Repair Kit: 10999Major Repair Kit: 11068- Part Number:
- 762-E35
- Availability:
- In Stock - Ships same or next business day.
- Engine:
- Crusader 220 - 270 - 300 - 350
- OEM #:
- 97179
- Inlet:
- 1" NPT
- Outlet:
- 1" NPT
$1,174.99 $850.83 -
Sold Out, please call for ETA.
Sherwood Pump Pump Sea Cat3208 1-1/2X1-3/4 9176X
Sherwood Pump
$1,905.39 $1,398.13Sherwood Pump Pump Sea Cat3208 1-1/2X1-3/4 9176XImpeller Kit: 17000K Minor Repair Kit: 23973 Major Repair Kit: 23975- Part Number:
- 762-P176X
- Availability:
- In Stock - Ships same or next business day.
- Engine:
- Caterpiller
- Inlet:
- 1-1/2"
- Outlet:
- 1-3/4"
- Replaces:
- P171 - P176 - P176-01 - P176-02
$1,905.39 $1,398.13 -
Sold Out, please call for ETA.
Sherwood Pump Pumpseawater Westerbeke R30G-1
Sherwood Pump
$1,267.99 $924.58Sherwood Pump Pumpseawater Westerbeke R30G-1Impeller Kit: 10077KMinor Repair Kit:10996Major Repair Kit: 24025- Part Number:
- 762-R30G1
- Availability:
- In Stock - Ships same or next business day.
- Engine:
- Westerbeke 6 Cyl Diesel
- OEM #:
- 24102
- Inlet:
- 1/2" NPT
- Outlet:
- 1/2" NPT
$1,267.99 $924.58 -
Shurflo Flex-Vane 12V Oil Change Kt 8050-305-426
Shurflo
$351.19 $250.53Shurflo Flex-Vane 12V Oil Change Kt 8050-305-426Incorporating SHURFLO's advanced motor technology that includes thermal overload protection, this Oil Change/Winterizing System is self-priming, easy...- Part Number:
- 275-8050305426
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 16" H x 12-1/2" D
- GPM:
- 1.5
- Ports:
- 3/8" NPTF
- Volts:
- 12
$351.19 $250.53 -
Sierra 3/8Hx3/8P 90Deg Ful Elb 55-87 18-8072
Sierra
$15.19 $10.98Sierra 3/8Hx3/8P 90Deg Ful Elb 55-87 18-8072- Part Number:
- 47-8072
- Availability:
- In Stock - Ships same or next business day.
- Connector:
- 90 Deg - Elbow
- Fits:
- Johnson/Evinrude
- Application:
- -
- Replaces:
- 174177
- Thread:
- 3/8" NPT
- Hose:
- 3/8"
$15.19 $10.98
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.