Aftermarket Parts
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Sold Out, please call for ETA.
NGK Spark Plugs Cpr8Eb9 Spark Plug Cpr8Eb9
NGK Spark Plugs
$16.29 $12.12NGK Spark Plugs Cpr8Eb9 Spark Plug Cpr8Eb9Chosen by more automotive, and marine engine manufacturers than any other. The unique copper core and exclusive electrode design assure fast starts, peak...- Part Number:
- 41-CPR8EB9
- Availability:
- In Stock - Ships same or next business day.
- Model #:
- CPR8EB-9
- Pack:
- 10
- Pkg.:
- Boxed
$16.29 $12.12 -
NGK Spark Plugs CR6E Spark Plug 6965
NGK Spark Plugs
$15.91 $8.89NGK Spark Plugs CR6E Spark Plug 6965 Chosen by more automotive, and marine engine manufacturers than any other. The unique copper core and exclusive electrode design assure fast starts, peak...- Part Number:
- 41-6965
- Availability:
- In Stock - Ships same or next business day.
- Model #:
- 6965
- Pack:
- 10
- Pkg.:
- Boxed
$15.91 $8.89 -
NGK Spark Plugs Cr6Hsa Spark Plug 2983
NGK Spark Plugs
$6.58 $4.10NGK Spark Plugs Cr6Hsa Spark Plug 2983Chosen by more automotive, and marine engine manufacturers than any other. The unique copper core and exclusive electrode design assure fast starts, peak...- Part Number:
- 41-2983
- Availability:
- In Stock - Ships same or next business day.
- Model #:
- CR6HSA
- Pack:
- 4
- Pkg.:
- Boxed
$6.58 $4.10 -
NGK Spark Plugs CR7E Spark Plug 4578
NGK Spark Plugs
$15.83 $8.89NGK Spark Plugs 4578 Spark Plug 4578 Standard spark plugs are chosen by more automotive, motorcycle and marine engine manufacturers than any other. The unique copper core and exclusive electrode...- Part Number:
- 41-4578
- Availability:
- In Stock - Ships same or next business day.
- Model #:
- 4578
- Pack:
- 10
- Pkg.:
- Boxed
$15.83 $8.89 -
NGK Spark Plugs CR8E Spark Plug 1275
NGK Spark Plugs
$15.83 $8.89NGK Spark Plugs CR8E Spark Plug 1275 Standard spark plugs are chosen by more automotive, motorcycle and marine engine manufacturers than any other. The unique copper core and exclusive electrode...- Part Number:
- 41-1275
- Availability:
- In Stock - Ships same or next business day.
- Model #:
- 1275
- Pack:
- 10
- Pkg.:
- Boxed
$15.83 $8.89 -
NGK Spark Plugs CR9E Spark Plug 6263
NGK Spark Plugs
$15.83 $8.83NGK Spark Plugs 6263 Spark Plug Cr9E Standard spark plugs are chosen by more automotive, motorcycle and marine engine manufacturers than any other. The unique copper core and exclusive electrode...- Part Number:
- 41-6263
- Availability:
- In Stock - Ships same or next business day.
- Model #:
- 6263
- Pack:
- 10
- Pkg.:
- Boxed
$15.83 $8.83 -
NGK Spark Plugs CR9EB Spark Plug 6955
NGK Spark Plugs
$15.83 $7.29NGK Spark Plugs CR9EB Spark Plug 6955 Standard spark plugs are chosen by more automotive, motorcycle and marine engine manufacturers than any other. The unique copper core and exclusive electrode...- Part Number:
- 41-6955
- Availability:
- In Stock - Ships same or next business day.
- Model #:
- 6955
- Pack:
- 10
- Pkg.:
- Boxed
$15.83 $7.29 -
NGK Spark Plugs LFR6A Spark Plug 6668
NGK Spark Plugs
$16.54 $10.89NGK Spark Plugs LFR6A Spark Plug 6668 Standard spark plugs are chosen by more automotive, motorcycle and marine engine manufacturers than any other. The unique copper core and exclusive electrode...- Part Number:
- 41-6668
- Availability:
- In Stock - Ships same or next business day.
- Model #:
- 6668
- Pack:
- 10
- Pkg.:
- Boxed
$16.54 $10.89 -
NGK Spark Plugs Spark Plug #2202 Dpr8Eix9
NGK Spark Plugs
$18.49 $12.49NGK Spark Plugs Spark Plug #2202 Dpr8Eix9Designed specifically for the performance enthusiast. Iridium IX offers extreme ignitability, improved throttle response and superior anti-fouling.Fine-tipped...- Part Number:
- 41-DPR8EIX9
- Availability:
- In Stock - Ships same or next business day.
- Model #:
- 2202
- Pack:
- 4
$18.49 $12.49 -
NGK Spark Plugs Spark Plug #4374 Cr8Ekb
NGK Spark Plugs
$21.99 $11.59NGK Spark Plugs Spark Plug #4374 Cr8EkbChosen by more automotive, and marine engine manufacturers than any other. The unique copper core and exclusive electrode design assure fast starts, peak...- Part Number:
- 41-CR8EKB
- Availability:
- In Stock - Ships same or next business day.
- Model #:
- 4374
- Pack:
- 10
- Pkg.:
- Boxed
$21.99 $11.59 -
Sold Out, please call for ETA.
NGK Spark Plugs Spark Plug 4172 4172
NGK Spark Plugs
$16.59 $8.59NGK Spark Plugs Spark Plug 4172 4172Chosen by more automotive, and marine engine manufacturers than any other. The unique copper core and exclusive electrode design assure fast starts, peak...- Part Number:
- 41-BR8ECS
- Availability:
- In Stock - Ships same or next business day.
- Model #:
- 4172
- Pack:
- 10
- Pkg.:
- Boxed
$16.59 $8.59 -
NGK Spark Plugs Spark Plug 6046
NGK Spark Plugs
$17.29 $9.51NGK Spark Plugs Spark Plug 6046 Designed specifically for the performance enthusiast. Iridium IX offers extreme ignitability, improved throttle response and superior anti-fouling. Fine-tipped...- Part Number:
- 41-DCPR7EIX
- Availability:
- In Stock - Ships same or next business day.
- Model #:
- 6046
$17.29 $9.51 -
Sold Out, please call for ETA.
NGK Spark Plugs Spark Plug D7Ea
NGK Spark Plugs
$4.47NGK Spark Plugs Spark Plug D7EaChosen by more automotive, and marine engine manufacturers than any other. The unique copper core and exclusive electrode design assure fast starts, peak performance...- Part Number:
- 41-D7EA
- Availability:
- In Stock - Ships same or next business day.
- Model #:
- D7EA
- Pack:
- 10
- Pkg.:
- Boxed
$4.47 -
NGK Spark Plugs Sparkplug 6953
NGK Spark Plugs
$7.69 $5.55NGK Spark Plugs Sparkplug 6953V-Power plugs offer economical performance and improved ignitability over nickel spark plugs. OEM and racer approved.Lowers ignition system voltage requirementsIncreased...- Part Number:
- 41-BKR5E11
- Availability:
- In Stock - Ships same or next business day.
- Model #:
- 6953
- Pack:
- 4
- Pkg.:
- Boxed
$7.69 $5.55 -
Panther Oil Coolant Fluid Extractor 6L Capacity - DIY Series Car Boat PWC 756060
Panther
$100.89 $84.99Panther Oil Extractor 6L- Part Number:
- 781-756060
- Availability:
- In Stock - Ships same or next business day.
$100.89 $84.99 -
Perko Cpbr Gas Tank Vent F-1/2 Pip 0515Dp4Chr
Perko
$100.49 $76.45Perko Cpbr Gas Tank Vent F-1/2 Pip 0515Dp4ChrChrome plated bronze with removable 30 mesh, monel wire screen flame arrester. Designed to meet the requirements of the USCG safety standards for gasoline...- Part Number:
- 9-0515DP4CHR
- Availability:
- In Stock - Ships same or next business day.
- Type:
- Straight
- Hose:
- 1/2"
- Max Hull Thickness:
- 5/8"
$100.49 $76.45 -
Perko Cpbr Gas Tank Vent F-5/8 Hos 0509Dp4Chr
Perko
$79.99 $66.54Perko Cpbr Gas Tank Vent F-5/8 Hos 0509Dp4ChrRemovable 30 mesh stainless steel wire screen flame arrester. Designed to meet the requirements of the USCG safety standards for gasoline fuel systems.- Part Number:
- 9-0509DP4CHR
- Availability:
- In Stock - Ships same or next business day.
- Material:
- Chrome Bronze
- Hose:
- 5/8"
- Max Hull Thickness:
- 3/4"
$79.99 $66.54 -
Perko Vent Gas Tank with 3/8" Elbow 0503Dp3Chr
Perko
$97.69 $73.60Perko Vent Gas Tank with 3/8" Elbow 0503Dp3ChrChrome plated bronze with removable 30 mesh, monel wire screen flame arrester. Designed to meet the requirements of the USCG safety standards for...- Part Number:
- 9-0503DP3CHR
- Availability:
- In Stock - Ships same or next business day.
- Type:
- 90 Deg -
- Hose:
- 1/2"
- Max Hull Thickness:
- 5/8"
$97.69 $73.60 -
Permatex 290 Wicking Threadlocker Green 29000
Permatex
$14.29 $10.69Permatex 290 Wicking Threadlocker Green 29000A low viscosity liquid that wicks along the threads of pre-assembled fasteners to secure them in place. Applied after assembly.- Part Number:
- 180-29000
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 6 ml.
- Color:
- Green
$14.29 $10.69 -
Permatex 3.35oz Ultra Blue Siliconezz 81724
Permatex
$15.99 $14.70Permatex 3.35oz Ultra Blue Siliconezz 81724Sensor-safe, low odor, non-corrosive. Outstanding oil resistance and joint movement valves. Eight times more flexible than cork/composite gaskets, three...- Part Number:
- 180-81724
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 3.35 oz. Tube
$15.99 $14.70
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.