Aftermarket Parts
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Sierra Exhaust Manifold Mounting Kit 18-8527
Sierra
$67.59 $65.09Sierra Exhaust Manifold Mounting Kit 18-8527- Part Number:
- 47-8527
- Availability:
- In Stock - Ships same or next business day.
$67.59 $65.09 -
Sierra Exhaust Manifold Mounting Kit 18-8533
Sierra
$38.49 $31.64Sierra Exhaust Manifold Mounting Kit 18-8533- Part Number:
- 47-8533
- Availability:
- In Stock - Ships same or next business day.
$38.49 $31.64 -
Sierra Exhaust Manifold Mounting Kit 18-8536
Sierra
$46.99 $35.48Sierra Exhaust Manifold Mounting Kit 18-8536- Part Number:
- 47-8536
- Availability:
- In Stock - Ships same or next business day.
$46.99 $35.48 -
Sold Out, please call for ETA.
Sierra Exhaust Manifold Mounting Kit 18-8538
Sierra
$43.39 $30.64Sierra Exhaust Manifold Mounting Kit 18-8538- Part Number:
- 47-8538
- Availability:
- In Stock - Ships same or next business day.
$43.39 $30.64 -
Sold Out, please call for ETA.
Sierra Exhaust Out Cover Gasket 18-0744
Sierra
$0.00Sierra Exhaust Out Cover Gasket 18-0744- Part Number:
- 47-0744
- Availability:
- In Stock - Ships same or next business day.
$0.00 -
Sold Out, please call for ETA.
Sierra Expansion Plug 18-4200
Sierra
$0.00Sierra Expansion Plug 18-4200- Part Number:
- 47-4200
- Availability:
- In Stock - Ships same or next business day.
$0.00 -
Sold Out, please call for ETA.
Sierra Fan Belt MerCruiser 57-76269/Vp 958311 18-15405
Sierra
$21.39 $1.30Sierra Fan Belt MerCruiser 57-76269/Vp 958311 18-15405High strength synthetic cords resist shockload failure.The compression section is a special rubber compound that assures smooth and even transfer of load forces to the cords.Cogs are molded to precise...- Part Number:
- 47-15405
- Availability:
- In Stock - Ships same or next business day.
- Eff. Length:
- 40-1/2"
- Top Width:
- 29/64"
- OEM #:
- 57-76269 - Volvo 958311
$21.39 $1.30 -
Sold Out, please call for ETA.
Sierra Fan Belt Vp958359/Omc912509/Mc 18-15435
Sierra
$41.19 $33.26Sierra Fan Belt Vp958359/Omc912509/Mc 18-15435High strength synthetic cords resist shockload failure.The compression section is a special rubber compound that assures smooth and even transfer of load forces to the cords.Cogs are molded to precise...- Part Number:
- 47-15435
- Availability:
- In Stock - Ships same or next business day.
- Eff. Length:
- 43-1/2"
- Top Width:
- 29/64"
- OEM #:
- 57-64416 - OMC 912509 - Volvo 958314 - 958359 - 958359-2 - 966382
$41.19 $33.26 -
Sold Out, please call for ETA.
Sierra Filter Carburetor Fuel 984491 18-7854
Sierra
$9.89 $8.24Sierra Filter Carburetor Fuel 984491 18-7854- Part Number:
- 47-7854
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- 984491 - 311684 - Rochester 17078904
- Application:
- OMC Cobra Sterndrive
$9.89 $8.24 -
Sierra Filter Element-Fuel 10M Yamaha 18-7955
Sierra
$34.59 $23.85Sierra Filter Element-Fuel 10M Yamaha 18-7955- Part Number:
- 47-7955
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- Yamaha 68F-24563-10-00
- Application:
- 150hp -300hp. (2004-2006) Models Z - VZ - LZ
$34.59 $23.85 -
Sold Out, please call for ETA.
Sierra Filter Element-Fuel On149-0428 23-7750
Sierra
$0.00Sierra Filter Element-Fuel On149-0428 23-7750- Part Number:
- 47-237750
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- Onan #149-0428
- Fits:
- MDJA (Spec A-R) - MDJB (Spec A-R)
MDJC (Spec A-R)
MDJE (Spec A) - MDJF (Spec A)
$0.00 -
Sold Out, please call for ETA.
Sierra Filter Kit-Fuel Kohler# 249433 23-7771
Sierra
$12.56Sierra Filter Kit-Fuel Kohler# 249433 23-7771- Part Number:
- 47-237771
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- Kohler #249433
- Fits:
- 3.5 CFZ (Variation 2) - 4 CZ (Variation 2) - 5 CFZ (Variation 2) - 6.5 CZ (Variation 2) - 8E (Variation 2) - 10E (Variation 2) - 12.5E (Variation 2)
$12.56 -
Sierra Filter Kitbonus Pk 47-78481 18-7848-2
Sierra
$77.39 $62.71Sierra Filter Kitbonus Pk 47-78481 18-7848-2Sierra 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:
- 47-78482
- Availability:
- In Stock - Ships same or next business day.
- Type:
- 1/4" Aluminum
- Filter:
- Short
- Contains:
- (2) 7844 & (1) 7853-1
- Replaces:
- Johnson/Evinrude (OMC) - Mercruiser - Mercury/Mariner:
32-802893Q4 - 35-60494A4 - 35-805269A4 - OMC Sterndrive/Cobra - Yamaha
$77.39 $62.71 -
Sierra Filter Kitbonus Pk 47-78521 18-7852-2
Sierra
$76.19 $62.57Sierra Filter Kitbonus Pk 47-78521 18-7852-2Sierra 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:
- 47-78522
- Availability:
- In Stock - Ships same or next business day.
- Type:
- 1/4" Aluminum
- Filter:
- Tall
- Contains:
- (2) 7845 & (1) 7853-1
- Replaces:
- Johnson/Evinrude (OMC) - Mercruiser - Mercury/Mariner:
32-802893Q4 - 35-805269A4 - OMC Sterndrive/Cobra - Yamaha
$76.19 $62.57 -
Sierra Filter Kitbonus Pk 47-79821 18-7982-2
Sierra
$63.99 $62.09Sierra Filter Kitbonus Pk 47-79821 18-7982-2Sierra 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:
- 47-79822
- Availability:
- In Stock - Ships same or next business day.
- Type:
- 1/4" Aluminum
- Filter:
- Tall
- Contains:
- (2) 7945 & (1) 7853-1
- Replaces:
- Johnson/Evinrude - Mercury/Mariner - Yamaha - Mercruiser -
OMC Sterndrive/Cobra - Volvo fuel injection
$63.99 $62.09 -
Sierra Filter Kitbonus Pk 47-79831 18-7983-2
Sierra
$65.29 $55.15Sierra Filter Kitbonus Pk 47-79831 18-7983-2Sierra 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:
- 47-79832
- Availability:
- In Stock - Ships same or next business day.
- Type:
- 1/4" Aluminum
- Filter:
- Short
- Contains:
- (2) 7944 & (1) 7853-1
- Replaces:
- Johnson/Evinrude - Mercury/Mariner - Yamaha - Mercruiser -
OMC Sterndrive/Cobra - Volvo fuel injection
$65.29 $55.15 -
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
$58.19 $48.48Sierra 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
$58.19 $48.48 -
Sierra Filter Kith2O/10M SS 1/4 Long 18-7984-1
Sierra
$119.99 $97.15Sierra 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
$119.99 $97.15 -
Sierra Filter Kith2O/10M SS 3/8 Long 18-7985-1
Sierra
$141.39 $112.84Sierra 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
$141.39 $112.84
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.
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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.
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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
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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
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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
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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
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- Helpful categories for seasonal service and repairs
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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.