Aftermarket Parts
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Sierra Filter Kith2O Sep-Ss 3/8 Tall 18-7776-1
Sierra
$115.09 $86.49Sierra Filter Kith2O Sep-Ss 3/8 Tall 18-7776-1Sierra 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:
- 47-77761
- Availability:
- In Stock - Ships same or next business day.
- Type:
- 3/8" Stainless Steel
- Filter:
- Tall
- Contains:
- (1) 7845 & (1) 7776
$115.09 $86.49 -
Sierra Filter Kith2O/10M Al 1/4 Long 18-7983-1
Sierra
$52.69 $41.90Sierra Filter Kith2O/10M Al 1/4 Long 18-7983-1Sierra 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:
- 47-79831
- Availability:
- In Stock - Ships same or next business day.
- Type:
- 1/4" Aluminum
- Filter:
- Short
- Contains:
- (1) 7944 & (1) 7853-1
- Replaces:
- Mercury - 35-802893A4 - Q4 - 35-60494A4
$52.69 $41.90 -
Sierra Filter Kith2O/10M SS 1/4 Long 18-7984-1
Sierra
$108.79 $87.71Sierra Filter Kith2O/10M SS 1/4 Long 18-7984-1Sierra 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:
- 47-79841
- Availability:
- In Stock - Ships same or next business day.
- Type:
- 1/4" Stainless Steel
- Filter:
- Tall
- Contains:
- (1) 7945 & (1) 7777
- Replaces:
- Yamaha - MAR-SPRTR-HD-SS
$108.79 $87.71 -
Sierra Filter Kith2O/10M SS 3/8 Long 18-7985-1
Sierra
$128.29 $105.20Sierra Filter Kith2O/10M SS 3/8 Long 18-7985-1Sierra 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:
- 47-79851
- Availability:
- In Stock - Ships same or next business day.
- Type:
- 3/8" Stainless Steel
- Filter:
- Tall
- Contains:
- (1) 7945 & (1) 7776
$128.29 $105.20 -
Sierra Filter Kith2O/21M Al 1/4 Long 18-7852-1
Sierra
$57.49 $46.27Sierra Filter Kith2O/21M Al 1/4 Long 18-7852-1Sierra 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:
- 47-78521
- Availability:
- In Stock - Ships same or next business day.
- Type:
- 1/4" Aluminum
- Filter:
- Tall
- Contains:
- (1) 7845 & (1) 7853-1
- Replaces:
- Yamaha - ABB-SEPAR-AT-OR
$57.49 $46.27 -
Sierra Filter Kith2O/21M Al 1/4 Short 18-7848-1
Sierra
$56.69 $45.33Sierra Filter Kith2O/21M Al 1/4 Short 18-7848-1Sierra 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:
- 47-78481
- Availability:
- In Stock - Ships same or next business day.
- Type:
- 1/4" Aluminum
- Filter:
- Short
- Contains:
- (1) 7844 & (1) 7853-1
- Replaces:
- Mercury - 35-802893A4 - Q4 - 35-60494A4
$56.69 $45.33 -
Sierra Filter Kt-Fuel W#47006 & 30200 23-7770
Sierra
$21.99 $20.87Sierra Filter Kt-Fuel W#47006 & 30200 23-7770- Part Number:
- 47-237770
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- Westerbeke
#47006 - 30200
$21.99 $20.87 -
Sold Out, please call for ETA.
Sierra Filter Kt-Fuel W35920On1491445 23-7720
Sierra
$13.39 $1.30Sierra Filter Kt-Fuel W35920On1491445 23-7720- Part Number:
- 47-237720
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- Westerbeke #35920
Onan #149-1445 - Fits:
- Westerbeke: 4.0 BCG(60Hz)/3.0 BCG(50Hz) - 6.5 BCG(60Hz)/4.8 BCG(50Hz) - 6.5 TWG(60Hz)/4.9 TWG(50Hz) -8.0 TWG(60Hz)/6.4 TWG(50Hz) -9.0 BTG(60Hz)/7.0 BTG(50Hz) -11.0 TWG(60Hz)/8.5 TWG(50Hz)
$13.39 $1.30 -
Sierra Filter Oil/Sz#16510 05240Brp 18-7903
Sierra
$13.89 $11.20Sierra Filter Oil/Sz#16510 05240Brp 18-7903Please see manufacturer application guide for complete application references.- Part Number:
- 47-7903
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- Johnson Evinrude: 5033102 - 763364
Suzuki 16510-05240
$13.89 $11.20 -
Sierra Filter Oil/Sz#16510 82703Brp 18-7896
Sierra
$12.19 $10.03Sierra Filter Oil/Sz#16510 82703Brp 18-7896Please see manufacturer application guide for complete application references.- Part Number:
- 47-7896
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- Johnson/Evinrude: 778886 - 5033539
Suzuki: 16510-61A20-MHL
$12.19 $10.03 -
Sierra Filter-10M Yamaha #69J-24501-10-00 18-79905
Sierra
$40.59 $26.54Sierra Filter-10M Yamaha #69J-24501-10-00 18-79905- Part Number:
- 47-79905
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- Yamaha 69J-24501-10-00
- Application:
- F150 - F225 (2006 - Current) - F250 - (2005 - Current
$40.59 $26.54 -
Sold Out, please call for ETA.
Sierra Filter-Carb Yamaha #67F-14371-01 18-79972
Sierra
$16.99 $13.44Sierra Filter-Carb Yamaha #67F-14371-01 18-79972- Part Number:
- 47-79972
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- 67F-14371-01
$16.99 $13.44 -
Sierra Filter-Fuel Kohler# 229715 23-7751
Sierra
$15.05Sierra Filter-Fuel Kohler# 229715 23-7751- Part Number:
- 47-237751
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- Kohler #229715
- Fits:
- 4 CCFOZ - 4EFOZ - 5 CCOZ - 5EOZ - 6.5 EFOZ - 8EOZ - 6.5EFOZD - 8EOZD
$15.05 -
Sierra Filter-Fuel Kohler# 252898 23-7740
Sierra
$18.09 $13.70Sierra Filter-Fuel Kohler# 252898 23-7740- Part Number:
- 47-237740
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- Kohler #252898
- Fits:
- 11 CCFOZ (variation 2) - 11.5 CCFOZ (variation 2) - 11EFOZ (variation 2) - 11.5EFOZ (variation 2) - 13EOZ (variation 2) - 13EFOZ (variation 2) - 13.5 CCOZ (variation 2) - 14 CCOZ (variation 2) - 14EOZ (variation 2) - 15 CCFOZ (variation 3) - 15.5EOZ
$18.09 $13.70 -
Sierra Filter-Fuel Kohler# GM32359 23-7761
Sierra
$12.33Sierra Filter-Fuel Kohler# GM32359 23-7761- Part Number:
- 47-237761
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- Kohler #GM32359
- Fits:
- 7 EFOZD (variation 1) - 8.5 EFOZD (variation 1) -9 EOZD (variation 1) -9EFOZD (variation 1) -10EOZD (variation 1) - 11EFOZD (variation 3) - 11.5EFOZD (variation 3) -13EOZD (variation 3) -13EFOZD (variation 3) -14 EOZD (variation 3) -15.5 EOZD (variat
$12.33 -
Sold Out, please call for ETA.
Sierra Filter-Fuel Kohler# GM34570 23-7780
Sierra
$11.69 $1.30Sierra Filter-Fuel Kohler# GM34570 23-7780- Part Number:
- 47-237780
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- Kohler #GM34570
- Fits:
- 9 EFGD - 10 EG - 10 EGD - 13 EG - 13 EGD - 13 EGZ - 15 EG - 15 EGD - 15 EGZ
$11.69 $1.30 -
Sierra Filter-Fuel Yamaha # 6Cb-24501-00 18-79979
Sierra
$40.89 $32.39Sierra Filter-Fuel Yamaha # 6Cb-24501-00 18-79979- Part Number:
- 47-79979
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- 6CB-24501-00
$40.89 $32.39 -
Sierra Filter-Gas OMC 10M Racor S3214 18-7920
Sierra
$42.19 $34.96Sierra Filter-Gas OMC 10M Racor S3214 18-7920Clear Bowls: Use for outboard and above deck installations.USCG regulations require the use of flame resistant Metal bowls below deck.- Part Number:
- 47-7920
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Spin-on element w/o Bowl
- Replaces:
- Racor S3214 - OMC 771839 - Mercury 35-809099
$42.19 $34.96 -
Sold Out, please call for ETA.
Sierra Filter-Gas W-Metal Bowl 10M 18-7929
Sierra
$87.69 $65.11Sierra Filter-Gas W-Metal Bowl 10M 18-7929- Part Number:
- 47-7929
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Filter & Metal Bowl
- Contains:
- 18-7919 - 18-7924
- Replaces:
- Mercury 35-809100 - Racor B32020MAM
$87.69 $65.11 -
Sold Out, please call for ETA.
Sierra Filter-Gas W-Metal Bowl OMC 10M 18-7943
Sierra
$0.00Sierra Filter-Gas W-Metal Bowl OMC 10M 18-7943Sierra fuel water separators remove over 98.8% of emulsified water from your gasoline. All filters flow @ 90 GPH to feed even the hungriest motor.Clear Bowls: Use for outboard and above deck installations...- Part Number:
- 47-7943
- Availability:
- In Stock - Ships same or next business day.
- Type:
- Kit: Filter & Metal Bowl
- Contains:
- 18-7920 - 18-7924
- Replaces:
- OMC Style
$0.00
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.