Aftermarket Parts
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Martyr Anodes Sl Shaft Anode Cmx-1 (3/4 ) Cmx01M
Martyr Anodes
$22.39 $15.99Martyr Anodes Sl Shaft Anode Cmx-1 (3/4 ) Cmx01M Aluminum for salt and brackish waterMagnesium for fresh waterZinc for salt water- Part Number:
- 194-CMX01M
- Availability:
- In Stock - Ships same or next business day.
- ID:
- 3/4"
- OD:
- 2-1/8"
- Length:
- 2-1/8"
- Material:
- Magnesium
$22.39 $15.99 -
Martyr Anodes Sl Shaft Anode Cmx-3 (1 ) Cmx03Al
Martyr Anodes
$17.39 $8.20Martyr Anodes Sl Shaft Anode Cmx-3 (1 ) Cmx03AlAluminum for salt and brackish waterMagnesium for fresh waterZinc for salt water- Part Number:
- 194-CMX03AL
- Availability:
- In Stock - Ships same or next business day.
- ID:
- 1"
- OD:
- 2-1/8"
- Length:
- 2-1/8"
- Material:
- Aluminum
$17.39 $8.20 -
Martyr Anodes Sl Shaft Anode Cmx-4 (1-1/8 ) Cmx04M
Martyr Anodes
$25.09 $17.68Martyr Anodes Sl Shaft Anode Cmx-4 (1-1/8 ) Cmx04MAluminum for salt and brackish waterMagnesium for fresh waterZinc for salt water- Part Number:
- 194-CMX04M
- Availability:
- In Stock - Ships same or next business day.
- ID:
- 1-1/8"
- OD:
- 2-1/8"
- Length:
- 2-1/8"
- Material:
- Magnesium
$25.09 $17.68 -
Martyr Anodes Sl Shaft Anode Cmx-6 (1-3/8 ) Cmx06M
Martyr Anodes
$41.89 $27.99Martyr Anodes Sl Shaft Anode Cmx-6 (1-3/8 ) Cmx06M Aluminum for salt and brackish waterMagnesium for fresh waterZinc for salt water- Part Number:
- 194-CMX06M
- Availability:
- In Stock - Ships same or next business day.
- ID:
- 1-3/8"
- OD:
- 2-1/2"
- Length:
- 2-1/2"
- Material:
- Magnesium
$41.89 $27.99 -
Martyr Anodes Sl Shaft Anode Cmx-7 (1-1/2 ) Cmx07Al
Martyr Anodes
$15.39 $11.08Martyr Anodes Sl Shaft Anode Cmx-7 (1-1/2 ) Cmx07AlAluminum for salt and brackish waterMagnesium for fresh waterZinc for salt water- Part Number:
- 194-CMX07AL
- Availability:
- In Stock - Ships same or next business day.
- ID:
- 1-1/2"
- OD:
- 2-1/2"
- Length:
- 2-1/2"
- Material:
- Aluminum
$15.39 $11.08 -
Martyr Anodes Yamaha Anode Trim Tab Cm69L4537100Z
Martyr Anodes
$28.29 $23.95Martyr Anodes Yamaha Anode Trim Tab Cm69L4537100ZAluminum for salt and brackish waterMagnesium for fresh waterZinc for salt water- Part Number:
- 194-CM69L4537100Z
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Trim Tab
- Material:
- Zinc
$28.29 $23.95 -
Martyr Anodes Yamaha Cmy 6E5-45371-01 Skeg Cm6E54537101A
Martyr Anodes
$23.59 $14.27Martyr Anodes Yamaha Cmy 6E5-45371-01 Skeg Cm6E54537101AAluminum for salt and brackish waterMagnesium for fresh waterZinc for salt water- Part Number:
- 194-CM6E54537101A
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Skeg
- Material:
- Aluminum
$23.59 $14.27 -
McGard Locks Stern Drive Lock Single 7/16 74018
McGard Locks
$50.89 $41.99McGard Locks Stern Drive Lock Single 7/16 74018 Simply replace one of the sterndrive mounting nuts for theft protection. Stainless steel with free-spinning collar that will turn if attacked by gripping tools. No assembly required. Fits Mercruiser®...- Part Number:
- 371-74018
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Single Stern Drive
- Finish:
- Stainless
$50.89 $41.99 -
NGK Spark Plugs 2522 Spark Plug 2522
NGK Spark Plugs
$10.59 $5.89NGK Spark Plugs 2522 Spark Plug 2522Chosen 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-BUHX
- Availability:
- In Stock - Ships same or next business day.
- Model #:
- 2522
- Pack:
- 10
- Pkg.:
- Boxed
$10.59 $5.89 -
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 4055 Spark Plug 4055
NGK Spark Plugs
$17.29 $9.36NGK Spark Plugs 4055 Spark Plug 4055Designed 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-BPR7EIX
- Availability:
- In Stock - Ships same or next business day.
- Model #:
- 4055
- Pack:
- 4
$17.29 $9.36 -
NGK Spark Plugs 7696 Spark Plug Las-Plat 7696
NGK Spark Plugs
$24.49 $12.79NGK Spark Plugs 7696 Spark Plug Las-Plat 7696Original equipment on many late model applicationsPlatinum at the fine-wire center electrode as well as at the ground electrode provides extended service lifeThe platinum at the ground electrode adds extra...- Part Number:
- 41-PZFR6H
- Availability:
- In Stock - Ships same or next business day.
- Model #:
- 7696
- Pack:
- 4
$24.49 $12.79 -
Sold Out, please call for ETA.
NGK Spark Plugs 95897 Spark Plug 95897
NGK Spark Plugs
$18.09 $9.73NGK Spark Plugs 95897 Spark Plug 95897Chosen 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-MR7F
- Availability:
- In Stock - Ships same or next business day.
- Model #:
- 95897
- Pack:
- 10
- Pkg.:
- Boxed
$18.09 $9.73 -
OEM Quicksilver/Mercury Trim Pump Connector & Harness Assembly 84-79147A3
Mercury Marine / Quicksilver
$98.50 $79.99OEM Quicksilver/Mercury Trim Pump Connector & Harness 84-79147A 3 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...- Part Number:
- MM-79147A3
- Availability:
- See Special Order Details
$98.50 $79.99 -
Perko 1 In-Line Valve 0456Dp6
Perko
$164.97 $109.62Perko 1 In-Line Valve 0456Dp6Simple 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 hull...- Part Number:
- 9-0456DP6
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Valve
- Hose:
- 1"
$164.97 $109.62 -
Permatex 1oz Anti-Seize Lubricant 81343
Permatex
$6.09 $4.01Permatex 1oz Anti-Seize Lubricant 81343Prevents 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
$6.09 $4.01 -
Permatex 3oz Ultra Copper Silicone Zz 81878
Permatex
$17.49 $12.19Permatex 3oz Ultra Copper Silicone Zz 81878For 4-cylinder, turbocharged or high performance engines. Sensors safe, low odor, non-corrosive. Superior adhesion. Temp range -75°, F-700°, F. Perfect for exhaust manifolds/headers, valve covers, oil pan,...- Part Number:
- 180-81878
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 3 oz. tube
$17.49 $12.19 -
Permatex High Temperature Thread Sealan 59214
Permatex
$7.29 $6.99Permatex High Temperature Thread Sealan 59214 High temperature. Locks and seals threaded fittings. Resists leakage, vibrations, loosening, moisture, hydraulic fluids and diesel fuels. Won't shred or wear like thread sealant tape.- Part Number:
- 180-59214
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 6 ml. tube
$7.29 $6.99 -
Permatex P 6 Ml #271 High Threadlocker 27100
Permatex
$9.99 $8.99Permatex P 6 Ml #271 High Threadlocker 27100 A high strength adhesive that strengthens slip and press fit assemblies. Retains bearings, preventing spinout and thread corrosion. Requires extra effort or special tools for disassembly.- Part Number:
- 180-27100
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 6 ml. Tube
- Color:
- Red
$9.99 $8.99
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.