Aftermarket Parts
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CRC Wire Dryer 6oz 5104
CRC
$19.99CRC Wire Dryer 6oz 5104 Starts wet engines and instantly drives out moisture that can cause electrical failure and hard starting. Cleans and weatherproofs all electrical system parts. Waterproof film leaves a fine protective coating on ignition and...- Part Number:
- 77-05104
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 6 oz. Aerosol
$19.99 -
GROCO 1/4" NPT Bronze Inline Fuel Valve FV-250
Groco
$26.00 $19.991/4" NPT Bronze Inline Fuel Valve Features: Selectable handle rotation Full flow Mount foot included C83600 bronze construction Stainless steel handle and hardware 400 WOG PTFE seats and seals UL listed for fuel or water- Part Number:
- 34-FV250
- Availability:
- In Stock - Ships same or next business day.
- Thread NPT:
- 1/4"
- A:
- 4.1
- B:
- 2.22
- C:
- 1.54
- D:
- 1.77
$26.00 $19.99 -
Jabsco Cam 6-69880000
Jabsco
$111.19 $56.51Jabsco Cam 6-69880000- Part Number:
- 6-69880000
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Cam
$111.19 $56.51 -
Jabsco Mechanical Seal 6408-0000
Jabsco
$128.99 $64.90Jabsco Mechanical Seal 6408-0000- Part Number:
- 6-64080000
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Mechanical Seal
$128.99 $64.90 -
Martyr Anodes 1 1/4 Magnesium Shaft Anode Cmx05M
Martyr Anodes
$28.59 $19.99Martyr Anodes 1 1/4 Magnesium Shaft Anode Cmx05M Aluminum for salt and brackish waterMagnesium for fresh waterZinc for salt water- Part Number:
- 194-CMX05M
- Availability:
- In Stock - Ships same or next business day.
- ID:
- 1-1/4"
- OD:
- 2-1/2"
- Length:
- 2-1/2"
- Material:
- Magnesium
$28.59 $19.99 -
Martyr Anodes 1 Zinc Shaft Anode Cmx03
Martyr Anodes
$11.79 $10.99Martyr Anodes 1 Zinc Shaft Anode Cmx03 Aluminum for salt and brackish waterMagnesium for fresh waterZinc for salt water- Part Number:
- 194-CMX03
- Availability:
- In Stock - Ships same or next business day.
- ID:
- 1"
- OD:
- 2-1/8"
- Length:
- 2-1/8"
- Material:
- Zinc
$11.79 $10.99 -
Racor Element-Replacement 500 Turbine 30M 2010Pmor
Racor
$19.99 $12.91Racor Element-Replacement 500 Turbine 30M 2010PmorWaterproof, rustproof, dirtproof. Engineered to repel water and remove solid contaminants before they can damage precision engine components. Racor Aquabloc elements are available in different lengths for...- Part Number:
- 62-2010PMOR
- Availability:
- In Stock - Ships same or next business day.
- Micron:
- 30
- End Cap:
- Red
- Fits:
- 500
$19.99 $12.91 -
Seachoice Oil Change Pump 19181
Seachoice
$34.65 $26.37Seachoice Oil Change Pump 19181 For emptying oil from inboard and I/O enginesMade of solid brass with removable tubing for ease of operation and cleaning.- Part Number:
- 50-19181
- Availability:
- In Stock - Ships same or next business day.
$34.65 $26.37 -
Sold Out, please call for ETA.
Seastar Helm-Seastar 1.7 Classic Tilt Hh6541-3
Seastar
$1,305.59 $1,124.43Seastar Helm-Seastar 1.7 Classic Tilt Hh6541-3 Unsurpassed performance and flexibility with smooth operation and feel, 48°, of tilt and 5 lock positions. Fits most styled and formed dashes. Preloaded dual taper bearings ensure minimal excess free...- Part Number:
- 1-HH65413
- Availability:
- In Stock - Ships same or next business day.
- Model:
- 1.7
$1,305.59 $1,124.43 -
Seastar OMC 400 Control Cable CC170
Seastar
$49.49 $41.25Seastar OMC 400 Control Cable CC170 Stainless steel and brass fittings with stainless steel core. Fits pre-1979 OMC/Johnson/Evinrude w/BRP/OMC controls.- Part Number:
- NW-1CC170
- Availability:
- In Stock - Ships same or next business day.
$49.49 $41.25 -
Sierra Carb Kit Chrys/Force See Notes 18-7037
Sierra
$26.99 $22.99Sierra Carb Kit Chrys/Force See Notes 18-7037- Part Number:
- 47-7037
- Availability:
- In Stock - Ships same or next business day.
- OEM #:
- Chrysler Force - FK10004 - FK10005 - FK10007 - FK10008 - FK10027 - FK10057 - FK10108 - FRK739
$26.99 $22.99 -
Sierra Extreme Shift Cable Tool 18-9806E
Sierra
$49.99 $38.99Sierra Extreme Shift Cable Tool 18-9806E- Part Number:
- 47-9806E
- Availability:
- In Stock - Ships same or next business day.
$49.99 $38.99 -
Sold Out, please call for ETA.
Sierra Filter-Oil Onan# 185-5835 23-7842
Sierra
$40.99 $28.64Sierra Filter-Oil Onan# 185-5835 23-7842- Part Number:
- 47-237842
- Availability:
- In Stock - Ships same or next business day.
- OEM #:
- Onan #185-5835
- Fits:
- MDKAV - MDKBG - MDKAW (Spacesaver) - MDKAZ - MDKAL/A/B
$40.99 $28.64 -
Sierra Fuel Water Separator Filter 18-8149
Sierra
$20.29 $15.99Sierra Fuel Water Separator Filter 18-8149- Part Number:
- 47-8149
- Availability:
- In Stock - Ships same or next business day.
- Contains:
- High Capacity Filter.
Replaces Volvo 3847644
$20.29 $15.99 -
Sierra Gasket-Exhaust Elbow Mp#283109 18-2849-1
Sierra
$13.39 $11.18Sierra Gasket-Exhaust Elbow Mp#283109 18-2849-1- Part Number:
- 47-28491
- Availability:
- In Stock - Ships same or next business day.
$13.39 $11.18 -
Sierra Oil Filter-Yamaha # 5Gh-13440-20 18-8700
Sierra
$10.79 $8.38Sierra Oil Filter-Yamaha # 5Gh-13440-20 18-8700Please see manufacturer application guide for complete application references.- Part Number:
- 47-8700
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- Yamaha 5GH-13440-20
$10.79 $8.38 -
Sierra P Coil OMC 583737/584561 18-5176
Sierra
$55.79 $37.99Sierra P Coil OMC 583737/584561 18-5176Please see Sierra's application guides for complete application references.- Part Number:
- 47-5176
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Coil Kit: Fits 1979 Evinrude 115HP. Replaces Johnson/Evinrude OB #582366 - 587737 - 584561 - 582106 - 582330
$55.79 $37.99 -
Sold Out, please call for ETA.
Sierra Power Steering Cooler 99356A 2 18-2587
Sierra
$298.49 $225.59Sierra Power Steering Cooler 99356A 2 18-2587- Part Number:
- 47-2587
- Availability:
- In Stock - Ships same or next business day.
$298.49 $225.59 -
Sierra Riser Spacer-3In Marine Power Cr 18-1908
Sierra
$198.89 $162.99Sierra Riser Spacer-3In Marine Power Cr 18-1908- Part Number:
- 47-1908
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Mercruiser GM V6 229 and 262 CID (models 185 and 205) - GM small block V8 - 305-350 CID (models 200 - 228 - 230 - 260 and 898) - GM big block V8 - 454 CID (models 330 - 340 and 7.4L). Use with manifold 19521 - 19531 - 19571
$198.89 $162.99 -
Sierra Stator 18-5870
Sierra
$346.69 $231.82Sierra Stator 18-5870- Part Number:
- 47-5870
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- 398-832075A4-A21 - 18-5873 & 18-5874 kits
$346.69 $231.82
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.