Aftermarket Parts
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Sold Out, please call for ETA.
Seastar Steerng Kit-Pro Hyd W-20' Hose Hk7520A-3
Seastar
$2,241.49 $1,824.50Seastar 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. Recommended for single outboards up to 350 HP (even...- Part Number:
- 1-HK7520A3
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Steering kit w/20' hoses
$2,241.49 $1,824.50 -
Seastar Tee Fitting 3/Bg Hf5533
Seastar
$90.99 $69.99Seastar 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 Updated cylinders with part numbers ending in "-3" Use only...- Part Number:
- 1-HF5533
- Availability:
- In Stock - Ships same or next business day.
- Type:
- Tee Fitting
- Material:
- Brass
- Bag:
- 3
$90.99 $69.99 -
Seastar Terminal 37639
Seastar
$17.99 $14.99Seastar Terminal 37639- Part Number:
- 1-037639
- Availability:
- In Stock - Ships same or next business day.
- Cable:
- 4300
- Material:
- Aluminum
- Pin:
- 5/16"
- Length:
- 1"
$17.99 $14.99 -
Seastar Thrded Splashwell Tube with Ball Sa36316P
Seastar
$76.19 $59.99Seastar Thrded Splashwell Tube with Ball Sa36316P- Part Number:
- 1-SA36316P
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Threaded Corrosion Resistant Splashwell Tube with Ball
$76.19 $59.99 -
Seastar Universal Tie Bar Single Cylinder Ho6001
Seastar
$729.49 $516.89Seastar Universal Tie Bar Single Cylinder Ho6001- Part Number:
- 1-HO6001
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Twin Engine/1 Cylinder
$729.49 $516.89 -
Sold Out, please call for ETA.
Seloc Publishing Manual Mercury 65-89 2-40hp 1-2Cyl 1404
Seloc Publishing
$62.09 $55.99Seloc 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, step-by-step, illustrated procedures for the complete...- 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
$62.09 $55.99 -
Seloc Publishing Manual Mercury 65-89 90-300hp 6Cyl 1408
Seloc Publishing
$61.49 $55.99Seloc Publishing Manual Mercury 65-89 90-300hp 6Cyl 1408The 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:
- 230-1408
- Availability:
- In Stock - Ships same or next business day.
- Type:
- Mercury O/B
- Description:
- 6 Cyl
- HP:
- 90-300
- Year:
- 1965-1989
$61.49 $55.99 -
Sold Out, please call for ETA.
Seloc Publishing Manual Mercury/Mariner 90-00 2.5-275hp 2 Stroke 1416
Seloc Publishing
$73.69 $55.99Seloc 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 understand, step-by-step, illustrated procedures for the...- 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
$73.69 $55.99 -
Seloc Publishing Manual Suzuki 88-03 2-225hp 2 Stroke 1600
Seloc Publishing
$59.49 $55.99Seloc Publishing Manual Suzuki 88-03 2-225hp 2 Stroke 1600The 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:
- 230-1600
- Availability:
- In Stock - Ships same or next business day.
- Type:
- Suzuki O/B
- Description:
- All 2 Stroke - incl. jet drives
- HP:
- 2-225
- Year:
- 1988-2003
$59.49 $55.99 -
Seloc Publishing Manual Volvo/Penta 92-02 All Gas&Stern 3606
Seloc Publishing
$59.49 $55.99Seloc Publishing Manual Volvo/Penta 92-02 All Gas&Stern 3606The 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:
- 230-3606
- Availability:
- In Stock - Ships same or next business day.
- Type:
- Volvo/Penta Sterndrives
- Description:
- All Gas Engines & Sterndrives
- Year:
- 1992-2002
$59.49 $55.99 -
Sherwood Pump P Impeller Kit with O-Ring 08000K
Sherwood Pump
$46.39 $31.92Sherwood Pump P Impeller Kit with O-Ring 08000KNeoprene maximum temperature 130°F.Part numbers ending in "K" designate impeller kits which include impeller, gasket and O-ring.- Part Number:
- 762-08000K
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Impeller
- Blades:
- 6
- Dia.:
- 1-9/16"
- Width:
- 3/4"
- Shaft:
- 7/16"
- Keyway:
- D-Slot
$46.39 $31.92 -
Sherwood Pump P Pumpseawater(Fits Crusader E35
Sherwood Pump
$1,118.99 $760.27Sherwood 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
$1,118.99 $760.27 -
Sold Out, please call for ETA.
Sherwood Pump Pump Sea Cat3208 1-1/2X1-3/4 9176X
Sherwood Pump
$1,814.59 $1,251.26Sherwood 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
$1,814.59 $1,251.26 -
Sherwood Pump Pump-Engine Cs Drive Pcm-Indmr P105
Sherwood Pump
$616.89 $433.64Sherwood Pump Pump-Engine Cs Drive Pcm-Indmr P105Impeller Kit: 10615K Eng Mfg # RA057026Engine Model Numbers 5.7L GMMajor Repair Kit: 19354- Part Number:
- 762-P105
- Availability:
- In Stock - Ships same or next business day.
- Engine:
- Pleasurecraft 220/270/300/350 - Volvo
- OEM #:
- 40070 - RA057026
- Inlet:
- 1-1/4"
- Outlet:
- 1-1/4"
$616.89 $433.64 -
Special Order! See availaility for details
Sherwood Pump Pumpseawater Cummins 1-1/4 M71
Sherwood Pump
$838.99 $599.99Sherwood Pump Pumpseawater Cummins 1-1/4 M71 Impeller Kit: 10615K Minor Repair Kit: 23976 Major Repair Kit: 23977- Part Number:
- 762-M71
- Availability:
- In Stock - Ships same or next business day.
- Engine:
- 4 cilindros - Serie B 210CV
- Inlet:
- 1-1/4"
- Outlet:
- 1-1/4"
$838.99 $599.99 -
Sold Out, please call for ETA.
Sherwood Pump Pumpseawater Westerbeke R30G-1
Sherwood Pump
$1,267.99 $886.40Sherwood 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 $886.40 -
Sierra .Ilt-Trim Motor- OMC# 438531 18-6780
Sierra
$240.29 $182.91Sierra .Ilt-Trim Motor- OMC# 438531 18-6780- Part Number:
- 47-6780
- Availability:
- In Stock - Ships same or next business day.
- Application:
- 90 - 115 - 200 - 225 HP (1991-Up) - 120 - 140 HP (1991-94) - 130 HP (1995-Up)
- Replaces:
- J/E - 438529 - 438531
$240.29 $182.91 -
Sierra 3/8Hx3/8P 90Deg Ful Elb 55-87 18-8072
Sierra
$15.19 $12.99Sierra 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 $12.99 -
Sold Out, please call for ETA.
Sierra 308799 OMC Gasket 18-2863
Sierra
$3.77Sierra 308799 OMC Gasket 18-2863- Part Number:
- 47-2863
- Availability:
- In Stock - Ships same or next business day.
$3.77 -
Sierra 321481 OMC Seal 55-068 18-2029
Sierra
$19.69 $14.99Sierra 321481 OMC Seal 55-068 18-2029- Part Number:
- 47-2029
- Availability:
- In Stock - Ships same or next business day.
$19.69 $14.99
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.