Aftermarket Parts
-
Sierra Sterling Tach-Hour Gas 7000Rpm 63474P
Sierra
$256.19 $167.30Sierra Sterling Tach-Hour Gas 7000Rpm 63474PBlack graphics on a brushed aluminum dial background. Pointers are black. Perimeter lighting is provided for night visibility. Domed glass convex lenses...- Part Number:
- 11-63474P
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 3"
- Type:
- Tach/LCD Hour - Elect - W/Holdoff
- Dial Range:
- 0-7000 rpm
- Sender Code:
- O/B Alt or Coil
$256.19 $167.30 -
Sold Out, please call for ETA.
Sierra Sterling Trim Sz 4St 2002 BRP 63483P
Sierra
$56.09 $37.78Sierra Sterling Trim Sz 4St 2002 BRP 63483PBlack graphics on a brushed aluminum dial background. Pointers are black. Perimeter lighting is provided for night visibility. Domed glass convex lenses are...- Part Number:
- 11-63483P
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 2"
- Type:
- Trim - Evinrude/Johnson - Suzuki 4-stroke (2002 to date)
- Dial Range:
- Up-Down
- Sender Code:
- Engine Mfg.
$56.09 $37.78 -
Sierra Switch Oil Pressure 15Psi Trip Op22891
Sierra
$31.49 $27.14Sierra Switch Oil Pressure 15Psi Trip Op22891Used for Electric Fuel Pump Shut Off. Thread size: 1/8" - 27 Terminal type: 10-32 stud- Part Number:
- 11-OP22891
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Set at 15 psi
$31.49 $27.14 -
Sierra Trim Motor 3Ram3Wire 811628 18-6774
Sierra
$448.69 $339.40Sierra Trim Motor 3Ram3Wire 811628 18-6774- Part Number:
- 47-6774
- Availability:
- In Stock - Ships same or next business day.
$448.69 $339.40 -
Sierra Trim Motor Yamaha 200-250Hp 18-6798
Sierra
$253.49 $246.68Sierra Trim Motor Yamaha 200-250Hp 18-6798- Part Number:
- 47-6798
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- 69J-43880-00-00 - 60V-43880-00-00. Fits: F200 - F225 (2004-06) - F250 (2005-06) - LF200 - LF225 - LF250 - LZ200 - LZ225 - LZ250 (2004-06)
$253.49 $246.68 -
Sierra Trim Tab MerCruiser 31640Q 4 Anode 18-6011
Sierra
$26.39 $23.96Sierra Trim Tab MerCruiser 31640Q 4 Anode 18-6011Always check propeller clearance after installing new trim tab anodes.- Part Number:
- 47-6011
- Availability:
- In Stock - Ships same or next business day.
- Fits:
- Honda - 41107-ZW1-003ZA -
Mercruiser - 31640A1 - 31640Q 4 - Material:
- Zinc
$26.39 $23.96 -
Sierra Tune-Up Kit Delco 4&6Cy 18-5250
Sierra
$34.69 $20.95Sierra Tune-Up Kit Delco 4&6Cy 18-5250- Part Number:
- 47-5250
- Availability:
- In Stock - Ships same or next business day.
- Contains:
- 5311 (1): Contact Set - 5345 (1): Condenser - 5418 (1): Rotor
- Application:
- 4 & 6 cyl. Delco
- Replaces:
- 172527
$34.69 $20.95 -
Sierra Tune-Up Kit W/Cap Prest. V-6 18-5276
Sierra
$75.29 $58.15Sierra Tune-Up Kit W/Cap Prest. V-6 18-5276Contains: Contact set; condenser and rotor and distributor cap.- Part Number:
- 47-5276
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Crusader - Indmar - Pleasurecraft - Mercruiser - OMC - Prestolite
- Fits:
- V-6 Single Point Screw Cap
$75.29 $58.15 -
Sold Out, please call for ETA.
Sierra Valve 3-Way W-Dentent 1/4 Fnpt 18-1655
Sierra
$20.79 $16.63Sierra Valve 3-Way W-Dentent 1/4 Fnpt 18-1655- Part Number:
- 47-1655
- Availability:
- In Stock - Ships same or next business day.
- Description:
- w/ Detent
- Thread:
- 1/4" FNPT
$20.79 $16.63 -
Sierra Water Pump Kit 46-77177A 3 18-3324
Sierra
$121.19 $89.46Sierra Water Pump Kit 46-77177A 3 18-3324- Part Number:
- 47-3324
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- 46-77177A3
$121.19 $89.46 -
Sierra White Premier Tachometer 7K Rpm 62561P
Sierra
$175.29 $119.60Sierra White Premier Tachometer 7K Rpm 62561PWhite dial; black graduations/numerals (metrics in blue); red pointerScratch resistant curved glass lenses; with polished stainless steel; near-flush...- Part Number:
- 11-62561P
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 3"
- Type:
- Tachometer - O/B & 4-stroke gas
- Dial Range:
- 0-7000 rpm
- Sender Code:
- O/B Alt or Coil
$175.29 $119.60 -
Sierra Wire Kit -Universal Spark Plug 18-5225
Sierra
$44.39 $36.13Sierra Wire Kit -Universal Spark Plug 18-5225Kit includes 25' roll of 7mm Hypalon ignition wire with a metallic core and a large assortment of three different end fittings.- Part Number:
- 47-5225
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Mercury/Mariner - Johnson/Evinrude - Chrysler/Force - Honda - Nissan/Tohatsu - Suzuki - Yamaha - Chris-Craft - Chrysler I/B - Crusader - Pleasurecraft
- Replaces:
- Mercury 84-99215A26 -
84-813706A26
$44.39 $36.13 -
Sold Out, please call for ETA.
Sierra Wire Set Evin-John150-175Hp V6 18-8840-1
Sierra
$65.99 $59.51Sierra Wire Set Evin-John150-175Hp V6 18-8840-1Magnetic Suppression Core manufactured for your specific application.Kevlar® core for maximum durability and long lifeDurable stainless steel wound...- Part Number:
- 47-88401
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Johnson/Evinrude - 150 & 175 hp O/B
$65.99 $59.51 -
Sierra Wire Set GM 3.0L Delco Est 18-8833-1
Sierra
$62.99 $45.40Sierra Wire Set GM 3.0L Delco Est 18-8833-1Magnetic Suppression Core manufactured for your specific application.Kevlar® core for maximum durability and long lifeDurable stainless steel wound...- Part Number:
- 47-88331
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Mercruiser - 3.0LX - 4 cylinder - Delco EST ignition
$62.99 $45.40 -
Sierra Wire Set GM 4.3L Est & T-Bolt 18-8835-1
Sierra
$103.89 $77.42Sierra Wire Set GM 4.3L Est & T-Bolt 18-8835-1Magnetic Suppression Core manufactured for your specific application.Kevlar® core for maximum durability and long lifeDurable stainless steel wound...- Part Number:
- 47-88351
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Mercruiser - V6
$103.89 $77.42 -
Sierra Wire Set MerCruiser 3.7L L4 18-8808-2
Sierra
$83.99 $63.02Sierra Wire Set MerCruiser 3.7L L4 18-8808-2Magnetic Suppression Core manufactured for your specific application.Kevlar® core for maximum durability and long lifeDurable stainless steel wound...- Part Number:
- 47-88082
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Mercruiser - 224 - 3.7L & 3.7XL - 4 cylinder - conventional ignition
$83.99 $63.02 -
Sierra Wire Set MerCruiser 350Mag Mie-Ski Est 18-8832-1
Sierra
$108.39 $80.15Sierra Wire Set MerCruiser 350Mag Mie-Ski Est 18-8832-1Magnetic Suppression Core manufactured for your specific application.Kevlar® core for maximum durability and long lifeDurable stainless steel...- Part Number:
- 47-88321
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Mercruiser - 350 Mag MPI MIE Gen+ - Delco HEI ignition - Black Scorpion Ski Gen+ - 350 cid - Delco HEI ignition - 454 cid EFI - Mag MPI and Horizon MIE - 8 cylinder - 502 Mag - 502 EFI & Mag MPI - 8 cylinder
$108.39 $80.15 -
Sierra Wire Set MerCruiser Black Scorpion 18-8822-1
Sierra
$90.41Sierra Wire Set MerCruiser Black Scorpion 18-8822-1Magnetic Suppression Core manufactured for your specific application.Kevlar® core for maximum durability and long lifeDurable stainless steel wound...- Part Number:
- 47-88221
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Mercruiser - Black Scorpion SKI - Gen+ - 350 - MX 6.2 Black Scorpion SKI - 8 cylinder - Delco HEI ignition
$90.41 -
STA-BIL Marine Formula (8 oz) Ethanol Treatment 22239
STA-BIL
$13.79 $9.19STA-BIL Marine Formula 8oz 22239 Ethanol Treatment & Performance Improver Extra corrosion protection & fuel system cleaning Recommended to be used at every fill up, not just for seasonal...- Part Number:
- 269-22239
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 8 oz.
- Treats:
- 80 gal.
$13.79 $9.19 -
Uflex Cable T/S 33C with SS Core C8
Uflex
$44.79 $40.17Uflex Cable T/S 33C with SS Core C8 Universal 33C style control cable with stainless steel 10-32 threaded end fittings. Features a full complement of lay wires for enhanced efficiency and durability...- Part Number:
- NW-216C833C
- Availability:
- In Stock - Ships same or next business day.
$44.79 $40.17
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.