Aftermarket Parts
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NGK Spark Plugs Bpr9Es Spark Plug 7788
NGK Spark Plugs
$6.69 $4.52NGK Spark Plugs Bpr9Es Spark Plug 7788 Chosen 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...- Part Number:
- 41-BPR9ES
- Availability:
- In Stock - Ships same or next business day.
- Model #:
- 7788
- Pkg.:
- Boxed
- What's in the Box:
- (1) Spark Plug
$6.69 $4.52 -
Racor Replacement Element 2 Micron Fuel Water Separator Filter S3228SUL
Racor
$47.69 $35.53Racor Replacement Element 2 Micron S3228Sul Aquabloc® II filter replacement elements are offered as retrofits to Racor clear or metal bowl filter assemblies Long-life with 98% filtration efficiency and 100% water removal per SAE test...- Part Number:
- 62-S3228SUL
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Element
- Micron:
- 2
- For:
- 320-RAC-02
- Application:
- I/O
$47.69 $35.53 -
Sierra MerCruiser Exhaust Boot 55-1525 18-2746
Sierra
$71.89 $45.15Sierra MerCruiser Exhaust Boot 55-1525 18-2746- Part Number:
- 47-2746
- Availability:
- In Stock - Ships same or next business day.
- Description:
- 4" Lower Tube
- Replaces:
- Mercruiser 32-14358T
$71.89 $45.15 -
Martyr Anodes 1/4 Dia Pencil Zinc Only Cmez00
Martyr Anodes
$2.49 $2.22Martyr Anodes 1/4 Dia Pencil Zinc Only Cmez00 No plug included.- Part Number:
- 194-CMEZ00
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 1/4" x 2"
- Material:
- Zinc
$2.49 $2.22 -
Martyr Anodes Streamlined Hull Anode Cmn1Z
Martyr Anodes
$38.49 $21.00Martyr Anodes Streamlined Hull Anode Cmn1Z Zinc: For use in salt waterAluminum: For use in brackish waterMagnesium: For use in fresh water- Part Number:
- 194-CMN1Z
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 8-1/2" L x 3-5/32" W x 1/2" H
- Hole:
- N/A
- Material:
- Zinc
$38.49 $21.00 -
Sierra Ignition Coil 2-Cycle Outboard 18-5186
Sierra
$72.69 $51.50Sierra Ignition Coil 2-Cycle Outboard 18-5186- Part Number:
- 47-5186
- Availability:
- In Stock - Ships same or next business day.
$72.69 $51.50 -
Uflex Mach-0 Universal Control Cable 33C
Uflex
$39.99Uflex Mach-0 Universal Control Cable 33C Universal 33C StyleHeavy duty 18 laywire conduit for long life & high efficiency for smooth operation and reduced bend radius. Ideal for long complex cable runs. High resistance blue outer jacket protects...- Part Number:
- NW-216M033C
- Availability:
- In Stock - Ships same or next business day.
$39.99 -
CRC Q.D. Elect.Contact Cleaner. 11oz 6102
CRC
$18.79 $10.66CRC Q.D. Elect.Contact Cleaner. 11oz 6102 Cleans sensitive electronic components and contacts. Use on electronic engine controls, data sensors and wiring, GPS, fishfinders, computers, VCRs, stereos, CD and DVD players. Helps prevent contact failure or...- Part Number:
- 77-06102
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 11 oz.
$18.79 $10.66 -
Sierra U-Joint - OMC/Volvo#385081282 18-2174
Sierra
$77.89 $59.29Sierra U-Joint - OMC/Volvo#385081282 18-2174Heavy duty U-Joint with straight and 90° fittings for OMC; Volvo and others.- Part Number:
- 47-2174
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- OMC 915717 - OMC/Volvo 3850812 - Mercury 758321 - 75832A3 - 75832T1
$77.89 $59.29 -
Martyr Anodes 7/8 Zinc Shaft Anode Cmx02
Martyr Anodes
$16.59 $8.14Martyr Anodes 7/8 Zinc Shaft Anode Cmx02 Aluminum for salt and brackish waterMagnesium for fresh waterZinc for salt water- Part Number:
- 194-CMX02
- Availability:
- In Stock - Ships same or next business day.
- ID:
- 7/8"
- OD:
- 2-1/8"
- Length:
- 2-1/8"
- Material:
- Zinc
$16.59 $8.14 -
NGK Spark Plugs 4462 Spark Plug Irdium 4462
NGK Spark Plugs
$30.69 $16.90NGK Spark Plugs 4462 Spark Plug Irdium 4462 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-IZFR6J
- Availability:
- In Stock - Ships same or next business day.
- Model #:
- 4462
- What's in the Box:
- (1) Spark Plug
$30.69 $16.90 -
NGK Spark Plugs 2359 Spark Plug 2359
NGK Spark Plugs
$19.19 $10.28NGK Spark Plugs 2359 Spark Plug 2359 Chosen 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...- Part Number:
- 41-BPR5EFS13
- Availability:
- In Stock - Ships same or next business day.
- Model #:
- 2359
- What's in the Box:
- (1) Spark Plug
$19.19 $10.28 -
Sierra Shift Cable Bellows 18-2753-2
Sierra
$36.99 $19.52Sierra Shift Cable Bellows 18-2753-2(Includes 18-7321 Clamp)- Part Number:
- 47-27532
- Availability:
- In Stock - Ships same or next business day.
- Fits:
- All #1 - #2 units - Alpha - Bravo I - II - III
- Replaces:
- 74639 - 74639A2
$36.99 $19.52 -
Sierra Filter-Water Separator 10M Long 18-7945
Sierra
$12.39 $12.29Sierra Filter-Water Separator 10M Long 18-7945Sierra fuel water separators remove over 98.8% of emulsified water from your gasoline. Sierra's 10 micron filters are over 90% efficient at removing particles as small as 10 micron. All filters flow @ 90 GPH...- Part Number:
- 47-7945
- Availability:
- In Stock - Ships same or next business day.
- Type:
- Water Separating Spin-On - 4.35" for Yamaha - Suzuki - Honda & others
- Replaces:
- Yamaha ABB-FUELF-IL-TR
$12.39 $12.29 -
Martyr Anodes Anode Frigo-Boat Zinc Cm51525Z
Martyr Anodes
$6.89 $4.56Martyr Anodes Anode Frigo-Boat Zinc Cm51525Z For salt water use.- Part Number:
- 194-CM51525Z
- Availability:
- In Stock - Ships same or next business day.
- Material:
- Zinc
$6.89 $4.56 -
Seastar Clevis 40 Series 1/4 Dia 29025
Seastar
$34.29 $28.53Seastar Clevis 40 Series 1/4 Dia 29025 Fit levers with thicknesses and holes given.- Part Number:
- 1-029025
- Availability:
- In Stock - Ships same or next business day.
- Cable:
- 4300
- Description:
- Jaw Width: 9/32" - Pin: 1/4"
$34.29 $28.53 -
Sierra Water Pump Kit W Housing Yamaha 40 60 18-3415
Sierra
$84.09 $51.53Sierra Water Pump Kit W Housing Yamaha 40 60 18-3415Refer to Sierra's Catalog for more information.- Part Number:
- 47-3415
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- 63D-W0078-01 -+ 63D-44311-00
$84.09 $51.53 -
Sierra Wire Set OMC Ford 5.0-5.8L 18-8842-1
Sierra
$91.89 $67.93Sierra Wire Set OMC Ford 5.0-5.8L 18-8842-1Magnetic 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:
- 47-88421
- Availability:
- In Stock - Ships same or next business day.
- Application:
- OMC Sterndrive/Cobra - 5.0L - 5.8L Ford 8 cylinder ('89-'90) - conventional ignition
$91.89 $67.93 -
Sold Out, please call for ETA.
Sierra Carburetor Kit 18-7750-1
Sierra
$53.64Sierra Carburetor Kit 18-7750-1- Part Number:
- 47-77501
- Availability:
- In Stock - Ships same or next business day.
- OEM #:
- Mercury 1395-8236354
$53.64 -
Sierra Filter-Oil GM L4-6 & V8 Short 18-7824-2
Sierra
$12.59 $9.24Sierra Filter-Oil GM L4-6 & V8 Short 18-7824-2Sierra high efficiency filters meet OEM specifications for marine use. Epoxy coated inside for corrosion resistance.- Part Number:
- 47-78242
- Availability:
- In Stock - Ships same or next business day.
- Type:
- Short
- Application:
- GM style filter - for L4-6 & V8
- OEM #:
- Chris-Craft 16.81-08746 - Crusader 201104 - Indmar 50-1001 - Mercruiser 35-802885Q - 32716 - 866340Q02 - 866340K01 - OMC 173232 - 778864. Pleasurecraft R077002 - Volvo Penta 835440-9 - Yamaha YSC-10231-20-0C
$12.59 $9.24
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.