Aftermarket Parts
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Sierra Exhaust Elbow Mounting Kit 18-8554
Sierra
$66.79 $42.06Sierra Exhaust Elbow Mounting Kit 18-8554- Part Number:
- 47-8554
- Availability:
- In Stock - Ships same or next business day.
$66.79 $42.06 -
Sierra Exhaust Elbow Mounting Kit 18-8555
Sierra
$76.79 $59.82Sierra Exhaust Elbow Mounting Kit 18-8555- Part Number:
- 47-8555
- Availability:
- In Stock - Ships same or next business day.
$76.79 $59.82 -
Sierra Exhaust Manifold Mounting Kit 18-8502
Sierra
$78.79 $57.40Sierra Exhaust Manifold Mounting Kit 18-8502- Part Number:
- 47-8502
- Availability:
- In Stock - Ships same or next business day.
$78.79 $57.40 -
Sierra Exhaust Manifold Mounting Kit 18-8503
Sierra
$35.09 $27.42Sierra Exhaust Manifold Mounting Kit 18-8503- Part Number:
- 47-8503
- Availability:
- In Stock - Ships same or next business day.
$35.09 $27.42 -
Sierra Exhaust Manifold Mounting Kit 18-8524
Sierra
$40.79 $29.97Sierra Exhaust Manifold Mounting Kit 18-8524- Part Number:
- 47-8524
- Availability:
- In Stock - Ships same or next business day.
$40.79 $29.97 -
Sierra Exhaust Manifold Mounting Kit 18-8532
Sierra
$30.49 $23.88Sierra Exhaust Manifold Mounting Kit 18-8532- Part Number:
- 47-8532
- Availability:
- In Stock - Ships same or next business day.
$30.49 $23.88 -
Sierra Filter Bracket-Ss 1/4 Npt 18-7777
Sierra
$117.09 $74.65Sierra Filter Bracket-Ss 1/4 Npt 18-7777Sierra 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 to...- Part Number:
- 47-7777
- Availability:
- In Stock - Ships same or next business day.
- Type:
- 1/4" Stainless Steel
- Replaces:
- Yamaha MAR-FLTHD-SS-12
$117.09 $74.65 -
Sierra Filter Kith20 Sep-Al 3/8 Tall 18-7775-1
Sierra
$65.59 $50.74Sierra Filter Kith20 Sep-Al 3/8 Tall 18-7775-1Sierra 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 GPH...- Part Number:
- 47-77751
- Availability:
- In Stock - Ships same or next business day.
- Type:
- 3/8" Aluminum
- Filter:
- Tall
- Contains:
- (1) 7845 & (1) 7775
$65.59 $50.74 -
Sierra Filter Oil/Yamaha #5Gh 13440 00 00 18-7914
Sierra
$9.89 $7.89Sierra Filter Oil/Yamaha #5Gh 13440 00 00 18-7914Please see manufacturer application guide for complete application references.- Part Number:
- 47-7914
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- Mercury: 35-822626Q2 - Q04
$9.89 $7.89 -
Sold Out, please call for ETA.
Sierra Filter-Oil Kohler# 326817 23-7803
Sierra
$12.99 $1.30Sierra Filter-Oil Kohler# 326817 23-7803- Part Number:
- 47-237803
- Availability:
- In Stock - Ships same or next business day.
- OEM #:
- Kohler #326817
- Fits:
- 8E - 10E - 12.5E
$12.99 $1.30 -
Sierra Filter-Oil Sz1651061A20Mhlbrp 18-7897
Sierra
$15.49 $13.99Sierra Filter-Oil Sz1651061A20Mhlbrp 18-7897Please see manufacturer application guide for complete application references.- Part Number:
- 47-7897
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- Johnson/Evinrude: 778889 - 5033919
Suzuki: 16510-82703
$15.49 $13.99 -
Sold Out, please call for ETA.
Sierra Filter-Oil Volvo# 3827069 18-7974
Sierra
$8.69 $7.49Sierra Filter-Oil Volvo# 3827069 18-7974Please see manufacturer application guide for complete application references.- Part Number:
- 47-7974
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- Volvo: 3827069
$8.69 $7.49 -
Sierra Float Yamaha #6E5-14385-02 18-7069
Sierra
$34.89 $26.56Sierra Float Yamaha #6E5-14385-02 18-7069- Part Number:
- 47-7069
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- 6E5-14385-02
$34.89 $26.56 -
Sierra Fuel Connector 18-80415
Sierra
$26.49 $19.99Sierra Fuel Connector 18-80415- Part Number:
- 47-80415
- Availability:
- In Stock - Ships same or next business day.
- Connector:
- Hose - Female
- Fits:
- Yamaha
- Application:
- Mates with 18-8077-1
- Replaces:
- 6Y2-24305-05 - 6E5-24305-05
- Thread:
- 3/8"
- Hose:
- 3/8"
$26.49 $19.99 -
Sierra Fuel Filter 10 Micron 18-7947
Sierra
$26.19 $21.24Sierra Fuel Filter 10 Micron 18-7947Clear Bowls: Use for outboard and above deck installations.USCG regulations require the use of flame resistant Metal bowls below deck.- Part Number:
- 47-7947
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Filter for 120RRAC01
- Replaces:
- Honda 17670-ZW1-010GH - Racor S3240 - Suzuki 99105-20006
$26.19 $21.24 -
Sierra Fuel Filter Yamaha #6C5-24251-00 18-79983
Sierra
$27.29 $21.56Sierra Fuel Filter Yamaha #6C5-24251-00 18-79983- Part Number:
- 47-79983
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- 6C5-24251-00
$27.29 $21.56 -
Sierra Fuel Filter Yanmar104500-55710 18-79960
Sierra
$10.69 $9.41Sierra Fuel Filter Yanmar104500-55710 18-79960- Part Number:
- 47-79960
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- Yanmar 104500-55710
$10.69 $9.41 -
Sierra Fuel Line 8Ft Honda Epa 18-81042Ep-2
Sierra
$98.99 $78.06Sierra Fuel Line 8Ft Honda Epa 18-81042Ep-2Complete fuel line assemblies are all EPA compliant for outboards with above deck applications and are resistant to Ethanol fuel. NEW FKP (low permeation) primer bulbs. Thermoplastic construction resists UV...- Part Number:
- 47-81042EP2
- Availability:
- In Stock - Ships same or next business day.
- Application:
- OE #17700-ZW9-010 - 17700-ZW9-020 - Fits 8 - 9.9 - 15 - 25 - 30 - 40 - 50 - 75 - 90 - 115 - 130 hp (2001-02)
- Hose:
- 3/8" x 9'
$98.99 $78.06 -
Sierra Fuel Line Connector 18-8088
Sierra
$23.49 $18.19Sierra Fuel Line Connector 18-8088- Part Number:
- 47-8088
- Availability:
- In Stock - Ships same or next business day.
- Connector:
- Hose - Female
- Fits:
- Nissan/Tohatsu
- Application:
- Fits 5-90hp - stroke and TLDI models. Mates with 18-8089
- Replaces:
- 345-70250-0
- Thread:
- -
- Hose:
- 3/8"
$23.49 $18.19 -
Sierra Fuel Pump-Ford 5.0L-5.8L 18-7266
Sierra
$310.99 $239.55Sierra Fuel Pump-Ford 5.0L-5.8L 18-7266- Part Number:
- 47-7266
- Availability:
- In Stock - Ships same or next business day.
$310.99 $239.55
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.