Aftermarket Parts
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Sierra Wire 7In Plug Mercury/Force 18-8819-1
Sierra
$23.99 $18.24Sierra Wire 7In Plug Mercury/Force 18-8819-1Magnetic Suppression Core manufactured for your specific application.Kevlar® core for maximum durability and long lifeDurable stainless steel wound conductor for maximum horsepower and engine...- Part Number:
- 47-88191
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Chrysler/Force/Mercury/Mariner - 7" wire
$23.99 $18.24 -
Sierra Wire Set-Cr 7.4-8.2Xl Str Boot 18-8844-1
Sierra
$104.09 $74.11Sierra Wire Set-Cr 7.4-8.2Xl Str Boot 18-8844-1Magnetic Suppression Core manufactured for your specific application.Kevlar® core for maximum durability and long lifeDurable stainless steel wound conductor for maximum horsepower and engine...- Part Number:
- 47-88441
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Crusader 454/502 XL Series (straight boot on plug end)
$104.09 $74.11 -
Starbrite Do-It-Yourself Marine Boat Winterizing and Descaling Kit 35001
Starbrite
$106.19 $73.45Starbrite Do-It-Yourself Winterizing Kit 35001 • Winterizing kit quickly and easily adds antifreeze to inboard and outboard engines• Kit will also descale engine cooling systems• Removes debris to keep your engine running cool• All...- Part Number:
- 74-35001
- Availability:
- In Stock - Ships same or next business day.
$106.19 $73.45 -
Uflex Steering Wheel White Poly Chrome Morosini U/Ch/W
Uflex
$292.89 $216.68Uflex 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 $216.68 -
Attwood Marine Fuel Vent Black Poly 5/8 1607-3
Attwood Marine
$14.69 $10.19Attwood Marine Fuel Vent Black Poly 5/8 1607-3 Patented splash-resistant, corrosion-resistant polypropylene. Meets ABYC ventilation specifications. All Attwood fuel tank vents meet or exceed U.S. Coast Guard regulations.- Part Number:
- 23-16073
- Availability:
- In Stock - Ships same or next business day.
- Hose:
- 5/8"
- Max Hull Thickness:
- 7/8"
- Hole:
- 3/4"
- Color:
- Black
- Pkg.:
- Retail
$14.69 $10.19 -
Centek 3.5 O.D. 45 Elbow 1200111
Centek
$118.09 $88.04Centek 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 $88.04 -
Centek 4" Dynamax Muffler 1005003
Centek
$425.19 $304.78Centek 4" Dynamax Muffler 1005003 For use where there is a shortage of space or V Drive applications. For Gas/Diesel fuel type. For above the waterline only.- Part Number:
- 383-1005003
- Availability:
- In Stock - Ships same or next business day.
- Ports:
- 4"
- Dia.:
- 16-3/4"
- Length:
- 6.38"
$425.19 $304.78 -
Centek 5.00 x 6.00 Coupler 1200148
Centek
$207.99 $155.12Centek 5.00 x 6.00 Coupler 1200148 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:
- 383-1200148
- Availability:
- In Stock - Ships same or next business day.
- OD:
- 5" to 6"
- Length:
- 14"
$207.99 $155.12 -
CRC Wire Dryer 6oz 5104
CRC
$13.09 $11.20CRC Wire Dryer 6oz 5104 Starts wet engines and instantly drives out moisture that can cause electrical failure and hard starting. Cleans and weatherproofs all electrical system parts. Waterproof film leaves a fine protective coating on ignition and...- Part Number:
- 77-05104
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 6 oz. Aerosol
$13.09 $11.20 -
Jabsco Cam 6-69880000
Jabsco
$132.49 $68.06Jabsco Cam 6-69880000- Part Number:
- 6-69880000
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Cam
$132.49 $68.06 -
Jabsco Mechanical Seal 6408-0000
Jabsco
$153.59 $78.88Jabsco Mechanical Seal 6408-0000- Part Number:
- 6-64080000
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Mechanical Seal
$153.59 $78.88 -
Martyr Anodes 1 Zinc Shaft Anode Cmx03
Martyr Anodes
$12.63Martyr Anodes 1 Zinc Shaft Anode Cmx03 Aluminum for salt and brackish waterMagnesium for fresh waterZinc for salt water- Part Number:
- 194-CMX03
- Availability:
- In Stock - Ships same or next business day.
- ID:
- 1"
- OD:
- 2-1/8"
- Length:
- 2-1/8"
- Material:
- Zinc
$12.63 -
Martyr Anodes Zinc OMC Anode Block Cm397768Z
Martyr Anodes
$21.99 $13.25Martyr Anodes Zinc OMC Anode Block Cm397768Z Zinc: For use in salt waterAluminum: For use in brackish waterMagnesium: For use in fresh water- Part Number:
- 194-CM397768Z
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Anode Block
- Material:
- Zinc
$21.99 $13.25 -
NGK Spark Plugs 4214 Spark Plug Iridium 4214
NGK Spark Plugs
$30.69 $16.85NGK Spark Plugs 4214 Spark Plug Iridium 4214 Original equipment on many late model applications Iridium at the fine-wire center electrode and platinum at the ground electrode provides maximum durability and performance The platinum at the...- Part Number:
- 41-IZFR7M
- Availability:
- In Stock - Ships same or next business day.
- Model #:
- 4214
- What's in the Box:
- (1) Spark Plug
$30.69 $16.85 -
Seachoice Fuel Line J/E Low Perm 21371
Seachoice
$58.76 $37.45Seachoice Fuel Line J/E Low Perm 21371 Meets all EPA, CARB, USCG and ABYC Requirements • • Includes: Low permeation primer bulb, fuel line fittings, stainless steel hose clamps and 3/8" heavy duty, kink resistant fuel line...- Part Number:
- 50-21371
- Availability:
- In Stock - Ships same or next business day.
- Application:
- OMC/Johnson/Evinrude
- Size:
- 3/8" x 7'
$58.76 $37.45 -
Seastar Dash Tilt Module Bkmt Rack Sht91610
Seastar
$349.59 $259.69Seastar Dash Tilt Module Bkmt Rack Sht91610 Tilt 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
$349.59 $259.69 -
Seastar Dual Station Selector Unit 204993
Seastar
$302.79 $199.15Seastar 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
$302.79 $199.15 -
Sold Out, please call for ETA.
Seastar Helm-Seastar 1.7 Classic Tilt Hh6541-3
Seastar
$1,305.59 $1,124.43Seastar Helm-Seastar 1.7 Classic Tilt Hh6541-3 Unsurpassed performance and flexibility with smooth operation and feel, 48°, of tilt and 5 lock positions. Fits most styled and formed dashes. Preloaded dual taper bearings ensure minimal excess free...- Part Number:
- 1-HH65413
- Availability:
- In Stock - Ships same or next business day.
- Model:
- 1.7
$1,305.59 $1,124.43 -
Seastar Hose Kit-2Pc Seastar O/B 16 Ft Ho5116
Seastar
$245.49 $154.13Seastar 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
$245.49 $154.13 -
Sierra Carb Kit Chrys/Force See Notes 18-7037
Sierra
$28.09 $21.59Sierra Carb Kit Chrys/Force See Notes 18-7037- Part Number:
- 47-7037
- Availability:
- In Stock - Ships same or next business day.
- OEM #:
- Chrysler Force - FK10004 - FK10005 - FK10007 - FK10008 - FK10027 - FK10057 - FK10108 - FRK739
$28.09 $21.59
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.