Aftermarket Parts
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NGK Spark Plugs Bpr5Es11 Sparkplug 7634
NGK Spark Plugs
$5.99 $4.08NGK Spark Plugs Bpr5Es11 Sparkplug 7634Chosen by more automotive, and marine engine manufacturers than any other. The unique copper core and exclusive electrode design assure fast starts, peak performance and long life.•?Triple gasket sealing process...- Part Number:
- 41-BPR5ES11
- Availability:
- In Stock - Ships same or next business day.
- Model #:
- BPR5ES-11
- Pack:
- 4
- Pkg.:
- Boxed
$5.99 $4.08 -
Sold Out, please call for ETA.
NGK Spark Plugs Cpr8Eb9 Spark Plug Cpr8Eb9
NGK Spark Plugs
$14.79 $7.61NGK 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 performance and long life.•?Triple gasket sealing process...- Part Number:
- 41-CPR8EB9
- Availability:
- In Stock - Ships same or next business day.
- Model #:
- CPR8EB-9
- Pack:
- 10
- Pkg.:
- Boxed
$14.79 $7.61 -
NGK Spark Plugs Cr6Hsa Spark Plug 2983
NGK Spark Plugs
$5.89 $4.06NGK 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 performance and long life.•?Triple gasket sealing process...- Part Number:
- 41-2983
- Availability:
- In Stock - Ships same or next business day.
- Model #:
- CR6HSA
- Pack:
- 4
- Pkg.:
- Boxed
$5.89 $4.06 -
Sold Out, please call for ETA.
NGK Spark Plugs Ifr9H11 #6588 Sparkplug Ifr9H11
NGK Spark Plugs
$24.69 $0.00NGK Spark Plugs Ifr9h21 #6588 Sparkplug Ifr9h21Original equipment on many late model applicationsIridium at the fine-wire center electrode and platinum at the ground electrode provides maximum durability and performanceThe platinum at the ground...- Part Number:
- 41-IFR9H11
- Availability:
- In Stock - Ships same or next business day.
- Model #:
- 6588
$24.69 $0.00 -
NGK Spark Plugs Spark Plug #2202 Dpr8Eix9
NGK Spark Plugs
$17.29 $9.36NGK 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 iridium-center electrode ensures high durability and...- Part Number:
- 41-DPR8EIX9
- Availability:
- In Stock - Ships same or next business day.
- Model #:
- 2202
- Pack:
- 4
$17.29 $9.36 -
NGK Spark Plugs Spark Plug #4374 Cr8Ekb
NGK Spark Plugs
$19.79 $10.26NGK 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 performance and long life.•?Triple gasket sealing process...- Part Number:
- 41-CR8EKB
- Availability:
- In Stock - Ships same or next business day.
- Model #:
- 4374
- Pack:
- 10
- Pkg.:
- Boxed
$19.79 $10.26 -
Sold Out, please call for ETA.
NGK Spark Plugs Spark Plug 4172 4172
NGK Spark Plugs
$16.59 $8.43NGK 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 performance and long life.•?Triple gasket sealing process...- Part Number:
- 41-BR8ECS
- Availability:
- In Stock - Ships same or next business day.
- Model #:
- 4172
- Pack:
- 10
- Pkg.:
- Boxed
$16.59 $8.43 -
NGK Spark Plugs Spark Plug 6046
NGK Spark Plugs
$17.29 $9.59NGK 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 iridium-center electrode ensures high durability...- Part Number:
- 41-DCPR7EIX
- Availability:
- In Stock - Ships same or next business day.
- Model #:
- 6046
$17.29 $9.59 -
NGK Spark Plugs Spark Plug D7Ea
NGK Spark Plugs
$5.89 $4.13NGK 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 and long life.•?Triple gasket sealing process eliminates...- Part Number:
- 41-D7EA
- Availability:
- In Stock - Ships same or next business day.
- Model #:
- D7EA
- Pack:
- 10
- Pkg.:
- Boxed
$5.89 $4.13 -
NGK Spark Plugs Sparkplug 6953
NGK Spark Plugs
$6.29 $4.08NGK 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 fuel economyHigh durability resists electrical and...- Part Number:
- 41-BKR5E11
- Availability:
- In Stock - Ships same or next business day.
- Model #:
- 6953
- Pack:
- 4
- Pkg.:
- Boxed
$6.29 $4.08 -
OPEN BOX (CABLE ONLY) Seastar Dometic No Feedback Safe-T II Rotary Steering SS13214
Seastar
$359.19 $99.99OPEN BOX (CABLE ONLY) Seastar Safe-T II No Feedback Steering Package SS132 Rugged, compact, lightweight, and with Seastar Solutions No FeedBack technology, this ultra-smooth 3-turn system takes the work out of steering most V-4 outboard powered boats...- Part Number:
- OPENBOX-SS13214
- Availability:
- In Stock - Ships same or next business day.
$359.19 $99.99 -
OPEN BOX Faria Marine Boat 2" Gauge Fill Blank Euro Black 12861
Faria
$20.09 $9.99OPEN BOX Faria Euro Black 2" Gauge Blank Cover a 2" gauge hole with Faria's Gauge Blank Specifications: Fits standard hole for Faria's 2" gauges Black in color ∗ Sold as an...- Part Number:
- OPENBOX-12861
- Availability:
- In Stock - Ships same or next business day.
$20.09 $9.99 -
OPEN BOX Faria Marine Boat Coral 2" Oil Pressure Gauge (80 PSI) 13002
Faria
$48.99 $19.99OPEN BOX Faria Coral 2" Oil Pressure Gauge (80 PSI) Perimeter-lighted Black dial with stylish White and Blue graphics, Black aluminum bezel with burnished leading edge, contoured White pointer, and flat glass lens...- Part Number:
- OPENBOX-13002
- Availability:
- In Stock - Ships same or next business day.
$48.99 $19.99 -
OPEN BOX Faria Marine Boat Euro Black 4" Blank Gauge Fill 32861
Faria
$37.19 $18.99OPEN BOX Faria Euro Black 4" Gauge Blank Cover a 4" gauge hole with Faria's Gauge Blank Specifications: Fits standard hole for Faria's 4" gauges Black in color ∗ Sold as an Individual- Part Number:
- OPENBOX-32861
- Availability:
- In Stock - Ships same or next business day.
$37.19 $18.99 -
OPEN BOX Sierra Fuel Pump Crusader Mercruiser OMC 32722 18-7256
Sierra
$218.19 $99.99OPEN BOX Sierra Fuel Pump Crus/Mercr/OMC 32722 18-7256- Part Number:
- OPENBOX-18-7256
- Availability:
- In Stock - Ships same or next business day.
$218.19 $99.99 -
Panther Oil Coolant Fluid Extractor 6L Capacity - DIY Series Car Boat PWC 756060
Panther
$100.89 $84.99Panther Oil Extractor 6L Capacity - DIY Series These compact, powerful pumps make oil changes fast, efficient and clearner than you ever thought possible. They take less than 10 seconds to prime and have see-through calibrated containers...- Part Number:
- 781-756060
- Availability:
- In Stock - Ships same or next business day.
$100.89 $84.99 -
PANTHER T4 THROUGH TILT TUBE ELECTRO STEER - SALTWATER 550103
Panther
$697.95 $649.99Panther T4 Through Tilt Tube Electro Steer - Saltwater A unique product to steer a kicker motor. Can be installed on any kicker motor that has a treaded tilt tube. No need to drill holes in your transom. Installs in minutes. 9″ minimum needed...- Part Number:
- 781-550103
- Availability:
- In Stock - Ships same or next business day.
$697.95 $649.99 -
Perko Cpbr Gas Tank Vent F-1/2 Pip 0515Dp4Chr
Perko
$96.69 $65.15Perko 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 fuel systems.- Part Number:
- 9-0515DP4CHR
- Availability:
- In Stock - Ships same or next business day.
- Type:
- Straight
- Hose:
- 1/2"
- Max Hull Thickness:
- 5/8"
$96.69 $65.15 -
Perko Cpbr Gas Tank Vent F-5/8 Hos 0509Dp4Chr
Perko
$76.99 $60.28Perko 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"
$76.99 $60.28 -
Sold Out, please call for ETA.
Perko Rope Guide With Pulley 1243Dp0Chr
Perko
$13.99 $0.00Perko Rope Guide With Pulley 1243Dp0ChrChrome plated zinc alloy black plastic sheave. Maximum rope size is 1/4". Base is 2" x 3/4".- Part Number:
- 9-1243DP0CHR
- Availability:
- In Stock - Ships same or next business day.
$13.99 $0.00
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.