Aftermarket Parts
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CRC Corrosion Inhibitor 16oz Net 10) 6026
CRC
$25.39 $11.49CRC Corrosion Inhibitor 16oz Net 10) 6026 Forms a corrosion-proof insulating film. Stays flexible. Will not crack or craze. Seals out salt air and moisture. Provides long-term protection under all weather conditions.- Part Number:
- 77-06026
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 10 oz.
$25.39 $11.49 -
Martyr Anodes 3 3/4 Zinc Rudder Anode Cmr03
Martyr Anodes
$24.95 $13.99Martyr Anodes 3 3/4 Zinc Rudder Anode Cmr03 Zinc: For use in salt waterAluminum: For use in brackish waterMagnesium: For use in fresh water- Part Number:
- 194-CMR03
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 3-3/4" dia. x 1/2"
- Material:
- Zinc
$24.95 $13.99 -
Uflex Control Cable OMC 1979+ C14
Uflex
$39.39 $37.99Uflex Control Cable OMC 1979+ C14 Featuring an 18 laywire conduit for enhanced efficiency, durability and longevity the C14 cables have stainless end fittings.- Part Number:
- NW-216C14OMC
- Availability:
- In Stock - Ships same or next business day.
$39.39 $37.99 -
Seastar Control Cable Xtreme 33C CCX633
Seastar
$55.09 $52.99Seastar Control Cable Xtreme 33C CCX633 Stainless steel and brass fittings. Universal type cables are designed to fit aftermarket engine controls as well as OEM controls from BMW, Chrysler, Honda, Mercury Sport Jet, Nissan, Suzuki, Volvo, Yamaha, and...- Part Number:
- NW-1CCX633
- Availability:
- In Stock - Ships same or next business day.
$55.09 $52.99 -
OEM Quicksilver Premium 80W90 Gear Lube
Mercury Marine / Quicksilver
$11.49 $8.99OEM Quicksilver Premium 80W90 Gear Lube Clean oil is essential in reducing friction and preventing damage to internal components, providing many years of engine life. Engineered for outboard applications below 75 HP, this premium 80W-90 gear lube has...- Part Number:
- NW-QG80W90P
- Availability:
- In Stock - Ships same or next business day.
- Grade:
- 80W-90
$11.49 $8.99 -
Martyr Anodes 1 7/8 Zinc Rudder Anode Cmr01
Martyr Anodes
$5.09 $4.99Martyr Anodes 1 7/8 Zinc Rudder Anode Cmr01 Zinc: For use in salt waterAluminum: For use in brackish waterMagnesium: For use in fresh water- Part Number:
- 194-CMR01
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 1-7/8" dia. x 1/4"
- Material:
- Zinc
$5.09 $4.99 -
Racor Filter-Replacement 320Rrac02 10M S3228Tul
Racor
$47.49 $36.99Racor Filter-Replacement 320Rrac02 10M S3228Tul 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-S3228TUL
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Element
- Micron:
- 10
- For:
- 320R-RAC-01
- Application:
- I/O
$47.49 $36.99 -
OEM Mercury Marine SAE 80W90 Premium Gear Lube 802844K01 858058K01
Mercury Marine / Quicksilver
$11.99 $8.99OEM Mercury Premium 80W90 Gear Lube Clean oil is essential in reducing friction and preventing damage to internal components, providing many years of engine life. Engineered for outboard applications below 75 HP, this premium 80W-90 gear lube has been...- Part Number:
- NW-MG80W90P
- Availability:
- In Stock - Ships same or next business day.
- Grade:
- 80W-90
$11.99 $8.99 -
NGK Spark Plugs 4339 Spark Plug 4339
NGK Spark Plugs
$10.00 $5.99NGK Spark Plugs 4339 Spark Plug 4339 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-DCPR8E
- Availability:
- In Stock - Ships same or next business day.
- Model #:
- 4339
- Pkg.:
- Boxed
- What's in the Box:
- (1) Spark Plug
$10.00 $5.99 -
NGK Spark Plugs 4323 Spark Plug 4323
NGK Spark Plugs
$5.89 $4.13NGK Spark Plugs 4323 Spark Plug 4323 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-BR6FS
- Availability:
- In Stock - Ships same or next business day.
- Model #:
- 4323
- Pack:
- 1
- Pkg.:
- Boxed
- What's in the Box:
- (1) Spark Plug
$5.89 $4.13 -
Sierra Filter Bracket-Aluminum 1/4 Npt 18-7853-1
Sierra
$37.99 $31.13Sierra Filter Bracket-Aluminum 1/4 Npt 18-7853-1Sierra 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...- Part Number:
- 47-78531
- Availability:
- In Stock - Ships same or next business day.
- Type:
- 1/4" Aluminum
- Replaces:
- Mercury 89876A3 - Yamaha MAR-FLTHD-AL-12
$37.99 $31.13 -
NGK Spark Plugs 4212 Spark Plug 4212 (Mercury 889246q39)
NGK Spark Plugs
$29.29 $14.74NGK Spark Plugs 4212 Spark Plug 4212 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 ground...- Part Number:
- 41-ILFR6GE
- Availability:
- In Stock - Ships same or next business day.
- Model #:
- 4212
- What's in the Box:
- (1) Spark Plug
$29.29 $14.74 -
Seastar Control Cable TFXtreme Gen II Merc CCX189
Seastar
$50.39 $44.81Seastar Control Cable TFXtreme Gen II Merc CCX189 Stainless steel and brass fittings. Fits Mariner/Mercury/Mercruiser and other engines using Mercury 2003-date 4000 series controls. Xtreme cables feature a splined-core for easy movement and minimum lost...- Part Number:
- NW-1CCX189
- Availability:
- In Stock - Ships same or next business day.
$50.39 $44.81 -
Sold Out, please call for ETA.
Protorque MerCruiser Stainless Steel Trim Pump Bracket W/Wiring & Solenoid 862548A1 PTQ PH200T066K
PROTORQUE
$163.63 $139.99MerCruiser Trim Pump Mounting Stainless Steel Bracket / Harness Assembly replacement KIT by ProTorqueIncludes solenoids and Wiring as picturedWill work for both alpha or bravo applications. This is a high quality Protorque part made to replace...- Part Number:
- nw-PTQPH200T066K
- Availability:
- In Stock - Ships same or next business day.
$163.63 $139.99 -
Sierra MerCruiser Trim Pump / Starter Solenoid 89-96158T 8M0185622 18-5817
Sierra
$37.79 $27.99Sierra Solenoid MerCruiser #89-96158T 18-5817- Part Number:
- 47-5817
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- 89-96158 - 89-96158T
$37.79 $27.99 -
Sierra U-Joint-MerCruiser Replaces # 865493A01 18-6406
Sierra
$175.89 $124.99Sierra U-Joint-MerCruiser #865493A01 18-6406GKN new style with external clips. Replaces Mercruiser 865493A01 Fits Gen II external Clip Style.- Part Number:
- 47-6406
- Availability:
- In Stock - Ships same or next business day.
- Fits:
- Alpha I Gen II 0L949779 & UP - Bravo 0M111208 & UP For: Mercruiser Vazer
- Replaces:
- 865496A01 - 865493A01
$175.89 $124.99 -
Attwood Marine Fdv Valve No Siphon Protect 9300Fdv7
Attwood Marine
$45.99 $34.99Attwood Marine Fdv Valve No Siphon Protect 9300Fdv7 Fuel Demand Valve Prevents engine flooding due to new pressurized fuel systems and eliminates fuel spray when connecting or disconnecting fittings at the engine. Prevents fuel spill and engine damage...- Part Number:
- 23-9300FDV7
- Availability:
- In Stock - Ships same or next business day.
- Model:
- No Siphon Protect
$45.99 $34.99 -
Seachoice Bilge Absorbent 91000
Seachoice
$13.25 $12.99Seachoice Bilge Absorbent 91000 Manufactured from solid sheets of 100% blown polypropyleneIt absorbs oil/fuel in the bilge so that remaining water can be pumped overboardAbsorbs 2 quarts of hydrocarbonThe "safety skin", a tough universal fabric skin,...- Part Number:
- 50-91000
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 4" x 4" x 13.25"
$13.25 $12.99 -
Sea-Dog Line Tiller Cable Clamps 1/8-3/16I 091852-1
SEA-DOG LINE
$7.00 $6.99Sea-Dog Line Tiller Cable Clamps 1/8-3/16I 091852-1- Part Number:
- 354-0918521
- Availability:
- In Stock - Ships same or next business day.
- A:
- 3/16"
- B:
- 1-3/16"
- C:
- 11/16"
- Pack:
- 2
$7.00 $6.99 -
Sierra Amega Domed 2 Fuel Gauge 57902P
Sierra
$50.79 $39.99Sierra Amega Domed 2 Fuel Gauge 57902PSmart white and red graphics on a black dial background; these very low profile bezels follow the curve of the lenses to eliminate water trapping. Design with domed glass sheds water and resists scratching...- Part Number:
- 11-57902P
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 2"
- Type:
- Fuel Gauge
- Dial Range:
- E - 1/2 - F
- Sender Code:
- F
$50.79 $39.99
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.