Aftermarket Parts
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Martyr Anodes Mercury Magnesium Alpha Lift Ram Cm806189M
Martyr Anodes
$15.49 $9.66Martyr Anodes Mercury Magnesium Alpha Lift Ram Cm806189MAluminum for salt and brackish waterMagnesium for fresh waterZinc for salt water- Part Number:
- 194-CM806189M
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Merc. Alpha Lift Ram
- Material:
- Magnesium
$15.49 $9.66 -
Martyr Anodes Mercury Magnesium Trim Tab Cm31640M
Martyr Anodes
$20.69 $12.32Martyr Anodes Mercury Magnesium Trim Tab Cm31640M Aluminum for salt and brackish waterMagnesium for fresh waterZinc for salt water- Part Number:
- 194-CM31640M
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Standard Trim Tab - Fits GEN. II
- Material:
- Magnesium
$20.69 $12.32 -
Sold Out, please call for ETA.
Martyr Anodes Mercury Trim Tab Anode 18/25 Hp Cm984325Z
Martyr Anodes
$37.09 $24.71Martyr Anodes Mercury Trim Tab Anode 18/25 Hp Cm984325Z Aluminum for salt and brackish waterMagnesium for fresh waterZinc for salt water- Part Number:
- 194-CM984325Z
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Trim Tab
- Material:
- Zinc
$37.09 $24.71 -
Martyr Anodes Mercury Zinc Anode Wedge Cm826134Z
Martyr Anodes
$13.59 $7.66Martyr Anodes Mercury Zinc Anode Wedge Cm826134ZAluminum for salt and brackish waterMagnesium for fresh waterZinc for salt water- Part Number:
- 194-CM826134Z
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Wedge
- Material:
- Zinc
$13.59 $7.66 -
Martyr Anodes Mercury Zinc Gimbal Cm43994Z
Martyr Anodes
$45.19 $25.31Martyr Anodes Mercury Zinc Gimbal Cm43994ZAluminum for salt and brackish waterMagnesium for fresh waterZinc for salt water- Part Number:
- 194-CM43994Z
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Alpha Gimbal HSG
- Material:
- Zinc
$45.19 $25.31 -
Martyr Anodes Mercury Zinc Trim Tab Cm31640Z
Martyr Anodes
$16.89 $11.29Martyr Anodes Mercury Zinc Trim Tab Cm31640ZAluminum for salt and brackish waterMagnesium for fresh waterZinc for salt water- Part Number:
- 194-CM31640Z
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Standard Trim Tab - Fits GEN. II
- Material:
- Zinc
$16.89 $11.29 -
Martyr Anodes Rudder Anode Set 5" Diameter Cmr04S
Martyr Anodes
$41.99 $34.11Martyr Anodes Rudder Anode Set 5" Diameter Cmr04S Streamlined rudder anodes include combination fasteners.Slotted hardware. Zinc for salt water.- Part Number:
- 194-CMR04S
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 5" dia.
- Material:
- Zinc
$41.99 $34.11 -
Martyr Anodes YAMAHA 200-300 HP HI PERF KIT CMYHP200300KITA
Martyr Anodes
$58.69 $41.89Martyr Anodes Yamaha 200-300 Hp Hi Perf Kit Cmyhp200300KitaAlways check propeller clearance after installing new trim tab anodes.All Kits Include:Stainless Steel Fastening HardwareInstallation InstructionsAll Anodes Required for 100% Protection- Part Number:
- 194-CMYHP200300KITA
- Availability:
- In Stock - Ships same or next business day.
- Description:
- 200-300 HP Outboards
- Material:
- Aluminum
$58.69 $41.89 -
Martyr Anodes YAMAHA CM-Y150KITA YAM 150 HP CMY150KITA
Martyr Anodes
$56.69 $40.51Martyr Anodes Yamaha Cm-Y150Kita Yam 150 Hp Cmy150KitaAlways check propeller clearance after installing new trim tab anodes.All Kits Include:Stainless Steel Fastening HardwareInstallation InstructionsAll Anodes Required for 100% Protection- Part Number:
- 194-CMY150KITA
- Availability:
- In Stock - Ships same or next business day.
- Description:
- 150-200 HP Outboards
- Material:
- Aluminum
$56.69 $40.51 -
NGK Spark Plugs 3754 Spark Plug 3754
NGK Spark Plugs
$6.89 $4.49NGK Spark Plugs 3754 Spark Plug 3754 V-Power plugs offer economical performance and improved ignitability over nickel spark plugs. OEM and racer approved. Lowers ignition system voltage requirements Increased fuel economy High durability resists...- Part Number:
- 41-TR4
- Availability:
- In Stock - Ships same or next business day.
- Model #:
- 3754
- Pkg.:
- Boxed
$6.89 $4.49 -
NGK Spark Plugs 5539 Spark Plug Br8Hsa Br8Hsa
NGK Spark Plugs
$6.69 $5.36NGK Spark Plugs 5539 Spark Plug Br8Hsa Br8HsaChosen 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-BR8HSA
- Availability:
- In Stock - Ships same or next business day.
- Model #:
- 5539
- Pack:
- 10
- Pkg.:
- Boxed
$6.69 $5.36 -
NGK Spark Plugs 5899 Spark Plug 5899
NGK Spark Plugs
$30.89 $17.15NGK Spark Plugs 5899 Spark Plug 5899 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-IZFR5J
- Availability:
- In Stock - Ships same or next business day.
- Model #:
- 5899
$30.89 $17.15 -
NGK Spark Plugs Bp7Hs-10 Spark Plug 7829
NGK Spark Plugs
$6.51 $4.10NGK Spark Plugs Bp7Hs-10 Spark Plug 7829Chosen 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:
- 41-7829
- Availability:
- In Stock - Ships same or next business day.
- Model #:
- BP7HS-10
- Pack:
- 4
- Pkg.:
- Boxed
$6.51 $4.10 -
OEM Quicksilver/Mercury Trim Pump/Motor Assembly 865380A13
Mercury Marine / Quicksilver
$984.89OEM Quicksilver/Mercury Trim Pump/Motor Assembly 865380A13 Please confirm fitment of MerCruiser parts with your serial numberPhotos and descriptions provided via Mercury may not always be accurateAll of our Mercury parts are sold and priced EACH- Part Number:
- 710-865380A13
- Availability:
- In Stock - Ships same or next business day.
$984.89 -
Perko 1 In-Line Valve 0456Dp6
Perko
$195.79 $179.99Perko 1 In-Line Valve 0456Dp6 Simple as connecting a garden hose! Flush your boat engine safely and easily. Plastic construction, stainless steel spring. Transparent body allows for visual inspection of water flow. Check valve automatically shuts off...- Part Number:
- 9-0456DP6
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Valve
- Hose:
- 1"
$195.79 $179.99 -
Permatex 1oz Anti-Seize Lubricant 81343
Permatex
$6.49 $6.39Permatex 1oz Anti-Seize Lubricant 81343 Prevents corrosion, withstands high temperature, prevents seizing and insures removal of spark plugs.- Part Number:
- 180-81343
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 1 oz. Tube
$6.49 $6.39 -
Permatex 1oz Thread Sealant with PTFE 80631
Permatex
$11.96Permatex 1oz Thread Sealant with PTFE 80631 Economical, general purpose fitting sealant. Out performs tapes and pipe dopes. Seals and resists pressure in air, oil, diesel fuel and hydraulic systems. Remains pliable at high and low temperatures.- Part Number:
- 180-80631
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 1 oz. tube
$11.96 -
Permatex Anti-Seize 8oz Brush Top Bot 80078
Permatex
$14.59 $13.44Permatex Anti-Seize 8oz Brush Top Bot 80078 A high refined blend of aluminum copper and graphite lubricants. Use during assembly to prevent galling, corrosion and seizing and to assure easier disassembly. Temperature range: -60°F to 1200°F...- Part Number:
- 180-80078
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 8 oz. brush top bottle
$14.59 $13.44 -
Permatex P 67Vr Di-Ele Tune-Up Gre 33O 81150
Permatex
$6.99 $4.83Permatex P 67Vr Di-Ele Tune-Up Gre 33O 81150Protects electrical connections and wiring from salt, dirt and corrosion. Extends the life of bulb sockets. Prevents voltage leakage around any electrical connection. Also prevents spark plugs from fusing to...- Part Number:
- 180-81150
- Availability:
- In Stock - Ships same or next business day.
- Size:
- .33 oz. Tube
$6.99 $4.83 -
Racor Bowl O-Ring 500 Series Rk15374
Racor
$20.79 $16.32Racor Bowl O-Ring 500 Series Rk15374- Part Number:
- 62-RK15374
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Bowl Gasket: Includes 1 seal
- Fits:
- 500 Series
$20.79 $16.32
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.