Aftermarket Parts
-
Seastar 400A High H.P.Connection Kit Ca27247P
Seastar
$49.39 $41.99Seastar 400A High H.P.Connection Kit Ca27247P This kit is for use with CC170 series cables, over 35HP, 1973-1978.- Part Number:
- 1-CA27247P
- Availability:
- In Stock - Ships same or next business day.
$49.39 $41.99 -
Sold Out, please call for ETA.
Seastar Ball Knob Black 4009819
Seastar
$20.39Seastar Ball Knob Black 4009819 Replacement control knobs fit most controls with 3/8-24 threaded handles.- Part Number:
- 1-4009819
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Black Ball Knob Replacement
$20.39 -
Seastar Dash Tilt Module Bkmt Rack Sht91610
Seastar
$316.19 $238.38Seastar Dash Tilt Module Bkmt Rack Sht91610Tilt steering brings comfort and convenience to any boat by allowing adjustment of the wheel to suit nearly any driving position. Features 5 adjustment positions in 12�� increments. Fits all types of engines...- Part Number:
- 1-SHT91610
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Back-Mount Rack Systems
$316.19 $238.38 -
Seastar Dual Station Selector Unit 204993
Seastar
$291.09 $199.99Seastar Dual Station Selector Unit 204993 The Dual Station (DS) unit is designed for inboard, sterndrive, or outboard boaters that like using one lever to do both throttle and shift in their dual station boat. The Station Selector allows smooth...- Part Number:
- 1-204993
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Selector Unit
$291.09 $199.99 -
Seastar Hose Kit-2Pc Seastar O/B 16 Ft Ho5116
Seastar
$200.99 $159.99Seastar Hose Kit-2Pc Seastar O/B 16 Ft Ho5116 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-HO5116
- Availability:
- In Stock - Ships same or next business day.
- Length:
- 16'
- Box:
- 2
$200.99 $159.99 -
Seastar Neutral Safety Switch S Contro 47307
Seastar
$122.79 $94.99Seastar Neutral Safety Switch S Contro 47307- Part Number:
- 1-047307
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Neutral Safety Switch Kit for S Controls
$122.79 $94.99 -
Seastar Shift Knob 50030 (Smooth) Ca69051P
Seastar
$54.79 $44.99Seastar Shift Knob 50030 (Smooth) Ca69051P Features both visual and tactile distinction for throttle and shift, in keeping with the latest ABYC guidelines. Handles replace CH5400P & CH5600P twin control handles. Knobs replace most other brand...- Part Number:
- 1-CA69051P
- Availability:
- In Stock - Ships same or next business day.
- Description:
- SS Smooth Shift Knob
$54.79 $44.99 -
Sherwood Pump P Pump Sea with Pulley Kohler 3/ G907P
Sherwood Pump
$588.46 $415.99Sherwood Pump P Pump Sea with Pulley Kohler 3/ G907P Impeller Kit: 9000K- Part Number:
- 762-G907P
- Availability:
- In Stock - Ships same or next business day.
- Engine:
- Ford & Kohler
- Pulley:
- w/Pulley
- Inlet:
- 3/8" NPT
- Outlet:
- 3/8" NPT
$588.46 $415.99 -
Sierra 86234A05 Mc/OMC Fuel Pump 18-7278
Sierra
$338.89 $239.99Sierra 86234A05 Mc/OMC Fuel Pump 18-7278- Part Number:
- 47-7278
- Availability:
- In Stock - Ships same or next business day.
$338.89 $239.99 -
Sierra Anode (Zinc) 18-6249
Sierra
$24.39 $22.40Sierra Anode (Zinc) 18-6249- Part Number:
- 47-6249
- Availability:
- In Stock - Ships same or next business day.
$24.39 $22.40 -
Sierra Draincock1/4Npt 18-4218
Sierra
$15.89 $13.99Sierra Draincock1/4Npt 18-4218- Part Number:
- 47-4218
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Cylinder Block
- Size:
- 1/4" NPT
- OEM #:
- Mercury 22-16951A1 - 22-16951Q1 - 22-16951T1 - OMC 379957 - Volvo 82745
$15.89 $13.99 -
Sierra MerCruiser Seal Kit 55-3807 18-2644
Sierra
$51.09 $38.99Sierra MerCruiser Seal Kit 55-3807 18-2644- Part Number:
- 47-2644
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Upper Unit Seal Kit: Alpha I Generation II
- Replaces:
- 26-88397A1
$51.09 $38.99 -
Sierra Sender-Temp 240F 3/8-18 18-5897
Sierra
$38.09 $27.99Sierra Sender-Temp 240F 3/8-18 18-5897- Part Number:
- 47-5897
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- 97257A1 - 806490T
- Thread:
- 3/8" - 18 NPT
$38.09 $27.99 -
Sierra Trim Motor Suzuki # 38100-96J00 18-18303
Sierra
$469.19 $339.99Sierra Trim Motor Suzuki # 38100-96J00 18-18303O-Ring included.- Part Number:
- 47-18303
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- 38100-92J02 - 38100-92J10 - 38100-93J01 - 38100-93J02 - 38100-96J00
$469.19 $339.99 -
Starbrite Pump-Gear Lube 5 Gallon 27405
Starbrite
$136.29 $109.99Starbrite Pump-Gear Lube 5 Gallon 27405 • Designed to quickly transfer heavier lubricating oils Allows lubrication of lower units direct from 5-gallon pail Sturdy construction for years of reliable service life Contains a 96" hose with a 3/8"-16...- Part Number:
- 74-27405
- Availability:
- In Stock - Ships same or next business day.
$136.29 $109.99 -
Uflex Steering Wheel White Poly Chrome Morosini U/Ch/W
Uflex
$292.89 $219.99Uflex Steering Wheel White Poly Chrome Morosini U/Ch/W 3 spoke Fits standard 3/4" tapered shaft Hub included- Part Number:
- 216-MOROSINIUCHW
- Availability:
- In Stock - Ships same or next business day.
- Grip:
- Polyurethane w/ painted hub
- Color:
- White
- Dia.:
- 13.8"
$292.89 $219.99 -
Uflex Steering Wheel White PVC Grip Corse-with S
Uflex
$173.99 $149.99Uflex Steering Wheel White PVC Grip Corse-with S Aluminum frame 3 spoke Fits standard 3/4" tapered shaft Soft Touch PVC grip- Part Number:
- 216-CORSEWS
- Availability:
- In Stock - Ships same or next business day.
- Rim:
- White
- Spokes:
- Silver
- Dia.:
- 13.5"
$173.99 $149.99 -
Attwood Marine Yamaha Female Tankfitting Lp 8896Lp6
Attwood Marine
$10.68 $7.99Attwood Marine Yamaha Female Tankfitting Lp 8896Lp6 Attwood fuel tank fittings and hose fittings are suitable for use with leaded, unleaded, ethanol blended and alcohol-blended fuels. Clamps are not included. Use thread sealant tape on all threads.LP=...- Part Number:
- 23-8896LP6
- Availability:
- In Stock - Ships same or next business day.
- Connector:
- Hose Fitting - Female
- Fits:
- 1991 & newer w/ round locking post
- Material:
- Molded acetal
- Thread:
- -
- Hose:
- 3/8" ID
- OEM #:
- 17650-ZV4-005
$10.68 $7.99 -
Centek 3.5 O.D. 45 Elbow 1200111
Centek
$118.09 $89.99Centek 3.5 O.D. 45 Elbow 1200111 These fittings are made of the same fiberglass and fire retardant resins used to make Vernatube. Fittings, couplings and elbows are lightweight, strong, non-corroding and durable.- Part Number:
- 383-1200111
- Availability:
- In Stock - Ships same or next business day.
- OD:
- 3-1/2"
- Length:
- 10-1/4"
$118.09 $89.99 -
Centek Elbow - 45 Degree 4" 1200112
Centek
$130.19 $98.99Centek Elbow - 45 Degree 4" 1200112 These fittings are made of the same fiberglass and fire retardant resins used to make Vernatube. Fittings, couplings and elbows are lightweight, strong, non-corroding and durable.- Part Number:
- 383-1200112
- Availability:
- In Stock - Ships same or next business day.
- OD:
- 4"
- Length:
- 10-1/4"
$130.19 $98.99
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.