Aftermarket Parts
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Sierra J/E Carb Kit 398729 18-7042
Sierra
$27.59 $20.99Sierra J/E Carb Kit 398729 18-7042- Part Number:
- 47-7042
- Availability:
- In Stock - Ships same or next business day.
- OEM #:
- J/E # 392061 - 396701 - 398729
$27.59 $20.99 -
Sierra Lido 2 Voltmeter 65506P
Sierra
$55.59 $43.43Sierra Lido 2 Voltmeter 65506PFeatures include: Black graphics on a white face with chrome ring and a black pointer with fire-orange tip. Scratch resistant curved glass lens with polished stainless steel; near-flush bezel. white perimeter and red...- Part Number:
- 11-65506P
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 2"
- Type:
- Voltmeter 12 Volt
- Dial Range:
- 8-18 VDC
- Sender Code:
- N/R
$55.59 $43.43 -
Sierra Lido Fuel Gauge Fog Resistant 59655P
Sierra
$79.99 $59.99Sierra Lido Fuel Gauge Fog Resistant 59655PFog resistant gauges comply with SAE J-1810. Black graphics on a white face with chrome ring and a black pointer with fire-orange tip. Scratch resistant curved glass lense with polished stainless steel;...- Part Number:
- 11-59655P
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 2"
- Type:
- Fuel
- Dial Range:
- E-1/2-F
- Sender Code:
- 90424P
$79.99 $59.99 -
Sold Out, please call for ETA.
Sierra Lido GPS Speedo 60Mph 781-310-060P
Sierra
$155.89 $1.30Sierra Lido GPS Speedo 60Mph 781-310-060PProvides accurate speed over ground readings and heading information all in one attractive package. This product is ideal for all speed applications and is particularly useful for slow and high speeds where...- Part Number:
- 11-781310060P
- Availability:
- In Stock - Ships same or next business day.
- Model:
- Lido Series
- Size:
- 3"
- Type:
- GPS Speedometer
- Dial Range:
- 0-60 mph
$155.89 $1.30 -
Sold Out, please call for ETA.
Sierra Manifold Riser 18-1907
Sierra
$276.99 $191.08Sierra Manifold Riser 18-1907Sierra manifolds are painted; packaged and leak tested.- Part Number:
- 47-1907
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- Chris-Craft - Chrysler I/B - Crusader - Pleasurecraft - Mercruiser - OMC Sterndrive/Cobra - Volvo Replaces Barr 20-0102 - Indmar 53-2009 and 53-2018
$276.99 $191.08 -
Sierra Marine Boat Pitot Tube Speedometers 30-80 mph Packaged 56973P
Sierra
$16.19 $13.69Sierra Pitot Tube Packaged 56973PThese pitots replace almost any brand without drilling new holes; have an automatic kick up feature to prevent transom damage; and can be used with any pressure driven speedometer up to 80 mph including Faria; Medallion...- Part Number:
- 11-56973P
- Availability:
- In Stock - Ships same or next business day.
- Pack:
- 1
$16.19 $13.69 -
Sierra Mounting Kit 18-8520
Sierra
$25.29 $20.08Sierra Mounting Kit 18-8520- Part Number:
- 47-8520
- Availability:
- In Stock - Ships same or next business day.
$25.29 $20.08 -
Sierra Mounting Kit 18-8535
Sierra
$19.19 $14.43Sierra Mounting Kit 18-8535- Part Number:
- 47-8535
- Availability:
- In Stock - Ships same or next business day.
$19.19 $14.43 -
Sierra Mounting Kit Crusader 18-8523
Sierra
$83.49 $64.37Sierra Mounting Kit Crusader 18-8523- Part Number:
- 47-8523
- Availability:
- In Stock - Ships same or next business day.
$83.49 $64.37 -
Sold Out, please call for ETA.
Sierra O-Ring Yamaha #6G5-43864-00-00 18-7468
Sierra
$8.69 $6.76Sierra O-Ring Yamaha #6G5-43864-00-00 18-7468- Part Number:
- 47-7468
- Availability:
- In Stock - Ships same or next business day.
$8.69 $6.76 -
Sierra Oil Filter Wrench 18-9790
Sierra
$22.29 $18.91Sierra Oil Filter Wrench 18-9790- Part Number:
- 47-189790
- Availability:
- In Stock - Ships same or next business day.
- Fits:
- 3-5/16" to 3-3/4"
$22.29 $18.91 -
Sierra Oil Seal 18-8349
Sierra
$21.99 $16.82Sierra Oil Seal 18-8349- Part Number:
- 47-8349
- Availability:
- In Stock - Ships same or next business day.
$21.99 $16.82 -
Sierra Oil Seal 93101-30M17-00 18-0266
Sierra
$11.39 $9.76Sierra Oil Seal 93101-30M17-00 18-0266- Part Number:
- 47-0266
- Availability:
- In Stock - Ships same or next business day.
$11.39 $9.76 -
Sierra Oil Seal/Shift Shaft 18-2054
Sierra
$12.79 $10.89Sierra Oil Seal/Shift Shaft 18-2054- Part Number:
- 47-2054
- Availability:
- In Stock - Ships same or next business day.
$12.79 $10.89 -
Sierra Om Shift Cable Assembly 987661 18-2245-1
Sierra
$183.19 $129.99Sierra Om Shift Cable Assembly 987661 18-2245-1For: Cobra; replaces 987661.- Part Number:
- 47-22451
- Availability:
- In Stock - Ships same or next business day.
$183.19 $129.99 -
Sierra OMC 3/8 Fuel Connector 18-8092
Sierra
$11.09 $9.99Sierra OMC 3/8 Fuel Connector 18-8092- Part Number:
- 47-8092
- Availability:
- In Stock - Ships same or next business day.
- Connector:
- Hose - Female
- Fits:
- Johnson/Evinrude
- Application:
- Mates with 18-8063
- Replaces:
- 176445 - 775641
- Thread:
- -
- Hose:
- 3/8"
$11.09 $9.99 -
Sold Out, please call for ETA.
Sierra OMC Manifold Gasket Set 18-4369
Sierra
$18.09 $1.30Sierra OMC Manifold Gasket Set 18-4369- Part Number:
- 47-4369
- Availability:
- In Stock - Ships same or next business day.
$18.09 $1.30 -
Sierra OMC Sterndr Impeller 379475 18-3086
Sierra
$64.19 $31.21Sierra OMC Sterndr Impeller 379475 18-3086- Part Number:
- 47-3086
- Availability:
- In Stock - Ships same or next business day.
$64.19 $31.21 -
Sold Out, please call for ETA.
Sierra Oring 18-7153
Sierra
$1.52Sierra Oring 18-7153- Part Number:
- 47-7153
- Availability:
- In Stock - Ships same or next business day.
$1.52 -
Sold Out, please call for ETA.
Sierra P Yamaha Wat Pump Repair Kt W/Hs 18-3371
Sierra
$83.49 $54.38Sierra P Yamaha Wat Pump Repair Kt W/Hs 18-3371Refer to Sierra's Catalog for more information.- Part Number:
- 47-3371
- Availability:
- In Stock - Ships same or next business day.
- OEM #:
- 692-W0078-A0-00 w/ Housing
$83.49 $54.38
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.