Aftermarket Parts
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Sierra J/E T-Stat434841/75692 55-40 18-3553
Sierra
$23.09 $20.14Sierra J/E T-Stat434841/75692 55-40 18-3553- Part Number:
- 47-3553
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- 75692
- Application:
- 143 Deg -
$23.09 $20.14 -
Sold Out, please call for ETA.
Sierra J/E-O/B Tachometer Harness Ih14767
Sierra
$0.00Sierra J/E-O/B Tachometer Harness Ih24767- Part Number:
- 11-IH14767
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Evinrude - Johnson Tach Harness
$0.00 -
Sierra Je Gear Hsg Seal Kit 18-2684
Sierra
$36.99 $27.09Sierra Je Gear Hsg Seal Kit 18-2684- Part Number:
- 47-2684
- Availability:
- In Stock - Ships same or next business day.
$36.99 $27.09 -
Sold Out, please call for ETA.
Sierra Je Gear Hsg Seal Kit 18-2685
Sierra
$69.49 $45.90Sierra Je Gear Hsg Seal Kit 18-2685- Part Number:
- 47-2685
- Availability:
- In Stock - Ships same or next business day.
$69.49 $45.90 -
Sold Out, please call for ETA.
Sierra Je Gear Hsg Seal Kit 18-2688
Sierra
$17.29 $1.30Sierra Je Gear Hsg Seal Kit 18-2688- Part Number:
- 47-2688
- Availability:
- In Stock - Ships same or next business day.
$17.29 $1.30 -
Sold Out, please call for ETA.
Sierra Je Gear Hsg Seal Kit 18-2690
Sierra
$58.99 $1.30Sierra Je Gear Hsg Seal Kit 18-2690- Part Number:
- 47-2690
- Availability:
- In Stock - Ships same or next business day.
$58.99 $1.30 -
Sold Out, please call for ETA.
Sierra Key Woodruff (676)Ym90280-04M0 18-3300
Sierra
$0.00Sierra Key Woodruff (676)Ym90280-04M0 18-3300- Part Number:
- 47-3300
- Availability:
- In Stock - Ships same or next business day.
$0.00 -
Sierra Lido 2 Temp Gauge O/B 65508P
Sierra
$110.09 $87.40Sierra Lido 2 Temp Gauge O/B 65508PFeatures 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:
- 11-65508P
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 2"
- Type:
- Water Temp Kit - for all Electric-Start - O/B
- Dial Range:
- COLD-HOT
- Sender Code:
- 52320S010 Included
$110.09 $87.40 -
Sold Out, please call for ETA.
Sierra Lido 3 Speedo Gauge 80Mph 65670P
Sierra
$103.29 $71.38Sierra Lido 3 Speedo Gauge 80Mph 65670PFeatures 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...- Part Number:
- 11-65670P
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 3
- Type:
- Speedometer Kit - Pitot Type
- Dial Range:
- 20-80 mph
- Sender Code:
- 56973P Included
$103.29 $71.38 -
Sierra Lido 3 Speedo Kit 65 Mph 65510P
Sierra
$122.39 $87.19Sierra Lido 3 Speedo Kit 65 Mph 65510PFeatures 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:
- 11-65510P
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 3"
- Type:
- Speedometer Kit - Pitot Type
- Dial Range:
- 10-65 mph
- Sender Code:
- 56973P Included
$122.39 $87.19 -
Sold Out, please call for ETA.
Sierra Lido 4 Gauge Set Fog Res 67669P
Sierra
$410.69 $268.47Sierra Lido 4 Gauge Set Fog Res 67669PFog 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; near-flush...- Part Number:
- 11-67669P
- Availability:
- In Stock - Ships same or next business day.
- Type:
- Outboard 4 Gauge Set - Includes Tachometer - Speedometer w/ Pitot Tube - Fuel Gauge and Voltmeter
$410.69 $268.47 -
Sold Out, please call for ETA.
Sierra Lido O/B Water Press Kit 30Psi 63523P
Sierra
$105.29 $1.30Sierra Lido O/B Water Press Kit 30Psi 63523PFog 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:
- 11-63523P
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 2"
- Type:
- O/B Water Pressure
- Dial Range:
- 0-30 psi
- Sender Code:
- WP Included
$105.29 $1.30 -
Sierra Lido Water Pres Ob 30Psi 65507P
Sierra
$133.19 $108.07Sierra Lido Water Pres Ob 30Psi 65507PFeatures 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:
- 11-65507P
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 2"
- Type:
- O/B Water Pressure
- Dial Range:
- 0-30 psi
- Sender Code:
- WP Included
$133.19 $108.07 -
Sold Out, please call for ETA.
Sierra Lin Cobra Wat Pump 911844 18-3145
Sierra
$16.59 $1.30Sierra Lin Cobra Wat Pump 911844 18-3145Refer to Sierra's Catalog for more information.- Part Number:
- 47-3145
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Pump Liner: 911844 OEM# 984744
$16.59 $1.30 -
Sold Out, please call for ETA.
Sierra Low Comp.Hd Gasket 332817 18-3896
Sierra
$13.19 $1.30Sierra Low Comp.Hd Gasket 332817 18-3896- Part Number:
- 47-3896
- Availability:
- In Stock - Ships same or next business day.
$13.19 $1.30 -
Sold Out, please call for ETA.
Sierra Low Compress Hd Gasket 332816 18-3895
Sierra
$0.00Sierra Low Compress Hd Gasket 332816 18-3895- Part Number:
- 47-3895
- Availability:
- In Stock - Ships same or next business day.
$0.00 -
Sold Out, please call for ETA.
Sierra Lower Unit Seal Kit 115/140 18-8338
Sierra
$41.29 $1.30Sierra Lower Unit Seal Kit 115/140 18-8338- Part Number:
- 47-8338
- Availability:
- In Stock - Ships same or next business day.
$41.29 $1.30 -
Sold Out, please call for ETA.
Sierra Lower Unit Seal Kit 18-2794-1
Sierra
$121.59 $91.55Sierra Lower Unit Seal Kit 18-2794-1- Part Number:
- 47-27941
- Availability:
- In Stock - Ships same or next business day.
$121.59 $91.55 -
Sold Out, please call for ETA.
Sierra Lower Unit Seal Kit 18-8358
Sierra
$185.69 $137.43Sierra Lower Unit Seal Kit 18-8358- Part Number:
- 47-8358
- Availability:
- In Stock - Ships same or next business day.
$185.69 $137.43 -
Sold Out, please call for ETA.
Sierra Lower Unit Seal Kit 75/85 Hp 18-8340
Sierra
$38.59 $1.30Sierra Lower Unit Seal Kit 75/85 Hp 18-8340- Part Number:
- 47-8340
- Availability:
- In Stock - Ships same or next business day.
$38.59 $1.30
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.