Aftermarket Parts
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Sold Out, please call for ETA.
Sierra Bearing Mc31-35990A1/983891OMC 18-1161
Sierra
$50.99 $39.28Sierra Bearing Mc31-35990A1/983891OMC 18-1161- Part Number:
- 47-1161
- Availability:
- In Stock - Ships same or next business day.
$50.99 $39.28 -
Sierra Bellows Volvo Penta 876294 18-2744
Sierra
$102.29 $64.99Sierra Bellows Volvo Penta 876294 18-2744- Part Number:
- 47-2744
- Availability:
- In Stock - Ships same or next business day.
- Application:
- AQ200 - 250 - 270 - 270T - 275 - 280 - 280T - PT - 290 DP UNIT: 280 - 290
- Replaces:
- 8758260 - 8762940
(with ridge)
$102.29 $64.99 -
Sierra Bowl-Racor Style Mini10 Plast 18-7987
Sierra
$38.99 $29.63Sierra Bowl-Racor Style Mini10 Plast 18-7987Clear Bowls: Use for outboard and above deck installations.Metal Bowls: USCG regulations require the use of flame resistant metal bowls below deck.- Part Number:
- 47-7987
- Availability:
- In Stock - Ships same or next business day.
- Description:
- AquaVue Clear Bowl
- Replaces:
- Racor RK10222 -
Suzuki 99105-20006-BWL
$38.99 $29.63 -
Sierra Brass Float Mc1397-5837 18-7202
Sierra
$24.09 $19.99Sierra Brass Float Mc1397-5837 18-7202- Part Number:
- 47-7202
- Availability:
- In Stock - Ships same or next business day.
$24.09 $19.99 -
Sierra Carb-Reman Nla MerCruiser #1347-8289A 1 18-7618-1
Sierra
$971.39 $792.97Sierra Carb-Reman Nla MerCruiser #1347-8289A 1 18-7618-1Sierra's marine aftermarket for high quality remanufactured carburetors. With carefully selected cores that are brought back to exacting OEM specifications. Each unit is flow tested to ensure proper...- Part Number:
- 47-76181
- Availability:
- In Stock - Ships same or next business day.
- Mfg:
- Rochester
- Mfg #:
- 17080562
- Type:
- R4/4MV
- OEM:
- Mercruiser
- OEM #:
- 1347-8289A1
- Application:
- 255 MIE (GM) 1975-1980
$971.39 $792.97 -
Sierra Carb.Kit 435443 18-7046
Sierra
$29.59 $20.99Sierra Carb.Kit 435443 18-7046- Part Number:
- 47-7046
- Availability:
- In Stock - Ships same or next business day.
- OEM #:
- J/E # 390055 - 392550 - 398526 - 434888 - 435443
$29.59 $20.99 -
Sierra Carb.Kit OMC 382052/53 18-7024
Sierra
$37.49 $34.99Sierra Carb.Kit OMC 382052/53 18-7024- Part Number:
- 47-7024
- Availability:
- In Stock - Ships same or next business day.
$37.49 $34.99 -
Sierra Carburetor Kit 6H4-W0093-04-00 18-7768
Sierra
$60.99 $45.42Sierra Carburetor Kit 6H4-W0093-04-00 18-7768- Part Number:
- 47-7768
- Availability:
- In Stock - Ships same or next business day.
- OEM #:
- Yamaha 6H4-W0093-03-00 - Replaces: 3 of 18-7768 = 1 of 6H4-W0093-03-00
$60.99 $45.42 -
Sold Out, please call for ETA.
Sierra Carburetor Kit Suz 13910=87D0 18-7752
Sierra
$40.49 $30.46Sierra Carburetor Kit Suz 13910=87D0 18-7752- Part Number:
- 47-7752
- Availability:
- In Stock - Ships same or next business day.
$40.49 $30.46 -
Sierra Carburetor Rochester 4Bbl 18-7607-1
Sierra
$1,115.89 $911.54Sierra Carburetor Rochester 4Bbl 18-7607-1Sierra's marine aftermarket for high quality remanufactured carburetors. With carefully selected cores that are brought back to exacting OEM specifications. Each unit is flow tested to ensure proper operation out...- Part Number:
- 47-76071
- Availability:
- In Stock - Ships same or next business day.
- Mfg:
- Rochester
- Mfg #:
- 17082403
- Type:
- R4/4MV
- OEM:
- Crusader
- OEM #:
- N/A
- Application:
- Crusader 454 application with Q-jet/ divorced choke
$1,115.89 $911.54 -
Sierra Coil 18-5472
Sierra
$105.69 $83.69Sierra Coil 18-5472- Part Number:
- 47-5472
- Availability:
- In Stock - Ships same or next business day.
$105.69 $83.69 -
Sierra Driftwood Fuel Gauge 240-33Ohm 61549P
Sierra
$55.99 $49.99Sierra Driftwood Fuel Gauge 240-33Ohm 61549PBlack graphics on a light gray dial background. Very low profile bezels follow the curve of the lens to eliminate water "trapping". Pointers are white with a black hub. Graphics light through the dial in blue...- Part Number:
- 11-61549P
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 2"
- Type:
- Fuel Gauge
- Dial Range:
- E-1/2-F
- Sender Code:
- F
$55.99 $49.99 -
Sierra Eclipse 2 Eng Oil Pres Gauge 68392P
Sierra
$49.99 $47.99Sierra Eclipse 2 Eng Oil Pres Gauge 68392PSmart white and blue graphics on a black dial background; these very low profile bezels follow the curve of the lense to eliminate water trapping. Design with domed glass sheds water and resists scratching...- Part Number:
- 11-68392P
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 2"
- Type:
- Engine Oil Pressure
- Dial Range:
- 0-80 psi
- Sender Code:
- C
$49.99 $47.99 -
Special Order! See availaility for details
Sierra Eclipse 2 Trimmariner/MerCruiser 68405P
Sierra
$53.09 $37.41Sierra Eclipse 2 Trimmariner/MerCruiser 68405PSmart white and blue graphics on a black dial background; these very low profile bezels follow the curve of the lense to eliminate water trapping. Design with domed glass sheds water and resists scratching...- Part Number:
- 11-68405P
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 2"
- Type:
- Trim - Mariner/Merc - Yamaha (2001)
- Dial Range:
- Up-Down
- Sender Code:
- Engine Mfr. Supply
$53.09 $37.41 -
Sierra Engine Coupler 18-21751
Sierra
$321.99 $236.75Sierra Engine Coupler 18-21751- Part Number:
- 47-21751
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Engine Coupler - Replaces OMC 3853962 - 983902 - 986338
$321.99 $236.75 -
Sierra Filter Kith2O/21M Al 1/4 Long 18-7982-1
Sierra
$52.29 $44.99Sierra Filter Kith2O/21M Al 1/4 Long 18-7982-1Sierra 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:
- 47-79821
- Availability:
- In Stock - Ships same or next business day.
- Type:
- 1/4" Aluminum
- Filter:
- Tall
- Contains:
- (1) 7945 & (1) 7853-1
$52.29 $44.99 -
Sierra Filter-Air Yanmar 2GM & 3GM30 18-57703
Sierra
$56.79 $38.87Sierra Filter-Air Yanmar 2GM & 3GM30 18-57703- Part Number:
- 47-57703
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Yanmar
- OEM #:
- 128270-12540
$56.79 $38.87 -
Sierra Filter-Fuel BRP # 908034 18-7859
Sierra
$8.59 $7.37Sierra Filter-Fuel BRP # 908034 18-7859- Part Number:
- 47-7859
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- Mercury 35-53336 Q - 3302-9033. OMC: 90834. Volvo 835576
$8.59 $7.37 -
Sierra Filter-Fuel Honda16911-Zy3-010 18-79908
Sierra
$42.19 $32.63Sierra Filter-Fuel Honda16911-Zy3-010 18-79908- Part Number:
- 47-79908
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- 16911-ZY3-010
$42.19 $32.63 -
Sierra Filter-Universal Inline Fuel 5/16In 18-7830
Sierra
$8.09 $7.90Sierra Filter-Universal Inline Fuel 5/16In 18-7830- Part Number:
- 47-7830
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- Mercury 35-16494-1 -
35-816296 1 - T1 - Q2 -
Johnson/Evinrude 398327
Yamaha 65W-24251-10-00 - Application:
- 5/16" Fuel line
$8.09 $7.90
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.