Aftermarket Parts
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Martyr Anodes 3/8 Dia Pencil Zinc Only Cmez0
Martyr Anodes
$2.99 $2.79Martyr Anodes 3/8 Dia Pencil Zinc Only Cmez0 No plug included.- Part Number:
- 194-CMEZ0
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 3/8" x 1-3/4"
- Material:
- Zinc
$2.99 $2.79 -
GROCO 1/2" NPT 90° Bronze Fuel Valve FV-590
Groco
$35.00 $24.841/2" NPT 90° Bronze Fuel Valve Features: Compact design 90° flow path 1/2" NPT male and female ports Use FV-590 (Brass) for fiberglass tanks Use FV-590-S (316SS) with aluminum or stainless steel tanks- Part Number:
- 34-FV590
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Brass
- Size:
- 1/2"-14 NPT
- A:
- 2.75"
- B:
- 2.50"
- C:
- 1.26"
$35.00 $24.84 -
Martyr Anodes 1/2" x 1-1/4 Pencil Zinc Only Cmez1F
Martyr Anodes
$4.79 $3.37Martyr Anodes 1/2" x 1-1/4 Pencil Zinc Only Cmez1FNo plug included.- Part Number:
- 194-CMEZ1F
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 1/2" x 1-1/4"
- Material:
- Zinc
$4.79 $3.37 -
Martyr Anodes 5/8 Dia X 2 Pencil Complete Cme2
Martyr Anodes
$14.19 $9.43Martyr Anodes 5/8 Dia X 2 Pencil Complete Cme2- Part Number:
- 194-CME2
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 5/8" x 2"
- Plug:
- 1/2" NPT
- UNC:
- 7/16"
- Material:
- Zinc
$14.19 $9.43 -
CRC 6-56 Multi-Purpose Lubricant 11oz 6007
CRC
$18.79 $13.99CRC CRC 6-56 Multi-Purpose Lubricant 11oz 6007 Drives out moisture to help start wet engines. Lubricates and protects against saltwater corrosion. Loosens rusted parts.- Part Number:
- 77-06007
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 11 oz.
$18.79 $13.99 -
Sierra Bellows 4Inx4.25In Mp#279009 18-2748
Sierra
$64.69 $40.39Sierra Bellows 4Inx4.25In Mp#279009 18-2748- Part Number:
- 47-2748
- Availability:
- In Stock - Ships same or next business day.
- Description:
- 4" Upper Tube
- Replaces:
- Mercruiser 32-44348T and MarinePower
$64.69 $40.39 -
Seastar Bleed Nipple @2 Hf5548
Seastar
$49.09 $28.58Seastar Bleed Nipple @2 Hf5548 All Older Style SeaStar manual hydraulic steering systems. These are 3/8" compression fittings which utilize a 9/16"-24 extra fine thread. (Seastar Solutions New Updated cylinders with part numbers ending in "-3" Use only...- Part Number:
- 1-HF5548
- Availability:
- In Stock - Ships same or next business day.
- Type:
- Bleed Nipple - Includes O-ring.
For use with Front Mount Cylinder ONLY. - Material:
- Aluminum
- Bag:
- 2
$49.09 $28.58 -
Seachoice Motorwell Boot-Vinyl Plas-4 29251
Seachoice
$12.27 $10.73Seachoice Motorwell Boot-Vinyl Plas-4 29251 Seals off water intake and protects cables, wiring and gas linesMade of durable vinyl plastisol.- Part Number:
- 50-29251
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 4"
$12.27 $10.73 -
Seastar Steering Cable Safe-T QC SSC62
Seastar
$173.19 $149.46Seastar Steering Cable Safe-T QC SSC62 This standard quick connect rotary cable fits SH50941P, SH4910P, SH91190P, SH91526P, SH91527P, and SH915231P helms. These rotary cables exceed ABYC safety standards and ISO/IMCI/NMMA certification requirements...- Part Number:
- NW-1SSC62
- Availability:
- In Stock - Ships same or next business day.
$173.19 $149.46 -
Sierra Seal Kit Upper Gc MerCruiser #26-32511A 1 18-2648
Sierra
$69.89 $29.02Sierra Seal Kit Upper Gc MerCruiser #26-32511A 1 18-2648- Part Number:
- 47-2648
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Upper Unit Seal Kit - For #1 Units
- Replaces:
- 26-32511A1
$69.89 $29.02 -
Attwood Marine Kit Motor Steering 11663-7
Attwood Marine
$34.69 $22.95Attwood Marine Kit Motor Steering 11663-7 Link your kicker motor to your main steering system with ease Works with all dual or single cable steering systems & on popular hydraulic systems Maneuver your boat while trolling, right from the...- Part Number:
- 23-116637
- Availability:
- In Stock - Ships same or next business day.
$34.69 $22.95 -
Sierra Shift Cable 18-2190
Sierra
$115.49 $80.41Sierra Shift Cable 18-2190 • Sierra 18-2190 Alpha Shift Cable Assembly • Fits MerCruiser #1 drives s/n #6225577 & up • For Aft installation into bell housing • For use in applications using...- Part Number:
- 47-2190
- Availability:
- In Stock - Ships same or next business day.
- Fits:
- Mercruiser 1 drives
- Replaces:
- 19543A4 - A10
$115.49 $80.41 -
Racor Filter-Water Separator Gas 10M Pff5510
Racor
$17.69 $12.64Racor Filter-Water Separator Gas 10M Pff5510 The PFF5510 gasoline fuel filter/water separator replaces standard fuel filters. It fits these popular engine applications with it's 11/16"-16 center threads and features 10 micron Aquabloc® II media to...- Part Number:
- 62-PFF5510
- Availability:
- In Stock - Ships same or next business day.
- Micron:
- 10
- Application:
- Mercury - Mercruiser - Yamaha - Suzuki - Honda and Tohatsu
- Size:
- 3.6" dia. x 4.2"H
$17.69 $12.64 -
Martyr Anodes 2 1/2 Zinc Shaft Anode Cmx11
Martyr Anodes
$88.89 $39.71Martyr Anodes 2 1/2 Zinc Shaft Anode Cmx11 Aluminum for salt and brackish waterMagnesium for fresh waterZinc for salt water- Part Number:
- 194-CMX11
- Availability:
- In Stock - Ships same or next business day.
- ID:
- 2-1/2"
- OD:
- 4-1/4"
- Length:
- 3-3/4"
- Material:
- Zinc
$88.89 $39.71 -
Martyr Anodes Rud Anode Cmr3 3-3/4 Cmr03M
Martyr Anodes
$32.29 $21.19Martyr Anodes Rud Anode Cmr3 3-3/4 Cmr03M Zinc: For use in salt waterAluminum: For use in brackish waterMagnesium: For use in fresh water- Part Number:
- 194-CMR03M
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 3-3/4" dia. x 1/2"
- Material:
- Magnesium
$32.29 $21.19 -
NGK Spark Plugs Br8Es Solid Spark Plug 3961
NGK Spark Plugs
$6.58 $4.10NGK Spark Plugs Br8Es Solid Spark Plug 3961 Chosen by more automotive, and marine engine manufacturers than any other. The unique copper core and exclusive electrode design assure fast starts, peak performance and long life. •?Triple gasket...- Part Number:
- 41-3961
- Availability:
- In Stock - Ships same or next business day.
- Model #:
- BR8ES Solid
- Pkg.:
- Boxed
- What's in the Box:
- (1) Spark Plug
$6.58 $4.10 -
CRC Jump Start Starting Fluid 5671
CRC
$13.09 $8.23CRC Jump Start Starting Fluid 5671For faster starts in cold or humid weather. Effective to -65°F. Prolongs starter life. Contains an upper cylinder lubricant to minimize wear during cold starts. For gasoline and diesel engines.- Part Number:
- 77-05671
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 11 oz.
$13.09 $8.23 -
Martyr Anodes 1/2 Dia Pencil Complete Cme1
Martyr Anodes
$12.29 $8.65Martyr Anodes 1/2 Dia Pencil Complete Cme1- Part Number:
- 194-CME1
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 1/2" x 2"
- Plug:
- 3/8" NPT
- UNC:
- 3/8"
- Material:
- Zinc
$12.29 $8.65 -
Sierra Fuel Pump 4 Cylinder 2.5 3.0 & 3.7 18-7282
Sierra
$222.79 $157.48Includes Mounting Gasket Fits: 4 Cyl. (2.5L, 3.0L & 3.7L) Engines- Part Number:
- 47-7282
- Availability:
- In Stock - Ships same or next business day.
$222.79 $157.48 -
CRC Fogging Oil 13oz 6068
CRC
$17.89 $9.86CRC Fogging Oil 13oz 6068Protects outboard motors, marine engines and other internal combustion engines. Keeps pistons, rings and cylinder wall corrosion free. Insures longer engine life. Preserves fishing reels, tools and metal surfaces subject to rust...- Part Number:
- 77-06068
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 13 oz. spray
$17.89 $9.86
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.