Aftermarket Parts
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Sierra Hd Electronic Tachometer 6000 Std Polish 82288P
Sierra
$146.09 $120.39Sierra Hd Electronic Tachometer 6000 Std Polish 82288PLarge; easy to read graphicsClassic white graphics and pointer on deep black facesLow-profile polished stainless steel bezelsPerimeter lighting and scratch resistant glass lensesProgrammable...- Part Number:
- 11-82288P
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 3"
- Type:
- Tachometer - O/B & 4-Stroke Gas*
- Dial Range:
- 0-6000 RPM
- Sender Code:
- O/B Alt or Coil
$146.09 $120.39 -
Sierra Hose-Exhaust 18-2780-1
Sierra
$52.79 $41.53Sierra Hose-Exhaust 18-2780-1- Part Number:
- 47-27801
- Availability:
- In Stock - Ships same or next business day.
- Description:
- OMC Cobra & Volvo
- Replaces:
- 3852741 & 3863450
$52.79 $41.53 -
Sold Out, please call for ETA.
Sierra Impeller Kit-Nl# 25-12009 23-3315
Sierra
$44.39 $43.71Sierra Impeller Kit-Nl# 25-12009 23-3315- Part Number:
- 47-233315
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- Northern Lights 25-12009
- Fits:
- M673LD3 - M673L3 - M673LD2 - M673L2
$44.39 $43.71 -
Sierra Impeller OMC 377178 18-3003
Sierra
$29.49 $19.81Sierra Impeller OMC 377178 18-3003- Part Number:
- 47-3003
- Availability:
- In Stock - Ships same or next business day.
$29.49 $19.81 -
Sierra Impeller-Vp#21213664 GM 2005+ 18-30778
Sierra
$77.59 $54.40Sierra Impeller-Vp#21213664 GM 2005+ 18-30778- Part Number:
- 47-30778
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- Volvo 21213664
$77.59 $54.40 -
Sierra Je Gear Hsg Seal Kit 18-2684
Sierra
$42.09 $31.50Sierra Je Gear Hsg Seal Kit 18-2684- Part Number:
- 47-2684
- Availability:
- In Stock - Ships same or next business day.
$42.09 $31.50 -
Sierra Lido 2 Voltmeter 65506P
Sierra
$62.29 $52.64Sierra Lido 2 Voltmeter 65506PFeatures include: Black graphics on a white face with chrome ring and a black pointer with fire-orange tip. Scratch resistant curved glass lens with polished stainless steel; near-flush bezel. white perimeter and red...- Part Number:
- 11-65506P
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 2"
- Type:
- Voltmeter 12 Volt
- Dial Range:
- 8-18 VDC
- Sender Code:
- N/R
$62.29 $52.64 -
Sierra Lido 3 Oil Pressure 0-80Psi 65501P
Sierra
$58.79 $49.67Sierra Lido 3 Oil Pressure 0-80Psi 65501PFeatures include: Black graphics on a white face with chrome ring and a black pointer with fire-orange tip. Scratch resistant curved glass lens with polished stainless steel; near-flush bezel. white perimeter and...- Part Number:
- 11-65501P
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 2"
- Type:
- Oil Pressure
- Dial Range:
- 0-80 psi
- Sender Code:
- IA 15001-Single/IA15003 - Dual Station
$58.79 $49.67 -
Sold Out, please call for ETA.
Sierra Manifold- 4Cylinder Vp#834438-4 18-1930-2
Sierra
$627.29 $456.78Sierra Manifold- 4Cylinder Vp#834438-4 18-1930-2Sierra manifolds are painted; packaged and leak tested.- Part Number:
- 47-19302
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- Sierra 18-1930-1 - Volvo 855387 - 834438 -
OSCO VO418 - Mallory 9-40900 - Barr VO-1-855387 - Application:
- AQ120 - 125A - 131A - 140A - 145A - 145A - 151 - BB140A - 154A - 230A - 250A.
Includes mounting gaskets and drain plug.
$627.29 $456.78 -
Sierra Merc/Mar/Yam 5/16 Fem Fuel Co 18-8085
Sierra
$14.09 $12.13Sierra Merc/Mar/Yam 5/16 Fem Fuel Co 18-8085- Part Number:
- 47-8085
- Availability:
- In Stock - Ships same or next business day.
- Connector:
- Hose - Female
- Fits:
- Mercury/Mariner
- Application:
- Mates with 18-8077-1
- Replaces:
- -
- Thread:
- -
- Hose:
- 5/16"
$14.09 $12.13 -
Sold Out, please call for ETA.
Sierra Mounting Kit-Marine Powr Elbow 18-8529
Sierra
$18.89 $14.96Sierra Mounting Kit-Marine Powr Elbow 18-8529- Part Number:
- 47-8529
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Mercruiser exhaust elbow mounting kit. Use with riser 19701
$18.89 $14.96 -
Sierra P Water Pump Kit J/E 393630 18-3382
Sierra
$62.99 $50.48Sierra P Water Pump Kit J/E 393630 18-3382- Part Number:
- 47-3382
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- 393630
$62.99 $50.48 -
Sierra Points Prestolite Ign. 18-5303
Sierra
$19.89 $13.64Sierra Points Prestolite Ign. 18-5303- Part Number:
- 47-5303
- Availability:
- In Stock - Ships same or next business day.
$19.89 $13.64 -
Sierra Sahara Tach(El) O/B & 4-Stroke 59703P
Sierra
$146.29 $100.74Sierra Sahara Tach(El) O/B & 4-Stroke 59703PBlack graphics on a tan dial background light red at night. Very low profile bezels follow the curve of the lens to eliminate water "trapping". Pointers are black with a fire-orange tip. Perimeter and...- Part Number:
- 11-59703P
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 3"
- Type:
- Tach - Elect - Outboard & 4-Stroke Gas
- Dial Range:
- 0-7000 rpm
- Sender Code:
- O/B Alt or Coil
$146.29 $100.74 -
Sierra Seal Kit-Upper Gc Vp#3850594 18-2586
Sierra
$94.49 $71.29Sierra Seal Kit-Upper Gc Vp#3850594 18-2586- Part Number:
- 47-2586
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Upper Unit Seal Kit - Volvo SX Thru 2006 - 3850594
$94.49 $71.29 -
Sold Out, please call for ETA.
Sierra Seal OMC 313282 18-2023
Sierra
$20.09 $14.68Sierra Seal OMC 313282 18-2023- Part Number:
- 47-2023
- Availability:
- In Stock - Ships same or next business day.
$20.09 $14.68 -
Sierra Seal Transom OMC 911797 18-2533
Sierra
$19.99 $14.79Sierra Seal Transom OMC 911797 18-2533- Part Number:
- 47-2533
- Availability:
- In Stock - Ships same or next business day.
$19.99 $14.79 -
Sierra Sender-Temp 240F 3/8-18 Sgl St Ts26621
Sierra
$30.79 $24.67Sierra Sender-Temp 240F 3/8-18 Sgl St Ts26621- Part Number:
- 11-TS26621
- Availability:
- In Stock - Ships same or next business day.
- Thread:
- 3/8" - 18
- Terminal:
- 10-32 Stud
- Temp.:
- 240 Deg - F
$30.79 $24.67 -
Sierra Starter Chr/For 70-150 Hp 18-5613
Sierra
$182.49 $179.62Sierra Starter Chr/For 70-150 Hp 18-5613- Part Number:
- 47-5613
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Chrysler/Force FK616955 - 61-6955 - 490955 - 480955 - 50-898265002
$182.49 $179.62 -
Sierra Starter O/B OMC #584799 18-5619
Sierra
$205.29 $200.55Sierra Starter O/B OMC #584799 18-5619- Part Number:
- 47-5619
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Johnson/Evinrude 584799 - 396235 - 391511 - 397023 - 586731 - 586890
$205.29 $200.55
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.