Aftermarket Parts
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Sierra Manifold-GM 4.3L V6 Vp#3857656 18-1848
Sierra
$469.09 $362.71Sierra Manifold-GM 4.3L V6 Vp#3857656 18-1848Sierra manifolds are painted; packaged and leak tested.- Part Number:
- 47-1848
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- Volvo 3857656 - 8847499
- Application:
- 4.3L V6
$469.09 $362.71 -
Sold Out, please call for ETA.
Sierra Marine Boat Sahara 4 Gauge Set 65481P
Sierra
$337.99 $259.99Sierra Sahara 4 Gauge Set 65481P Black 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 through-dial...- Part Number:
- 11-65481P
- Availability:
- In Stock - Ships same or next business day.
- Type:
- 4 Gauge Outboard Set - Tach (to 7 -000 rpm) - Speedometer (to 65 mph) - Voltmeter (12V systems) - Fuel (requires tank w/ 240-33 ohm sender)
- Sender Code:
- F
$337.99 $259.99 -
Sierra Pipe Plug3/8-18 Npt 22-32803 18-4264
Sierra
$5.09 $5.03Sierra Pipe Plug3/8-18 Npt 22-32803 18-4264- Part Number:
- 47-4264
- Availability:
- In Stock - Ships same or next business day.
$5.09 $5.03 -
Sold Out, please call for ETA.
Sierra Power Steering-Trim Fluid 8Oz 18-9751-0
Sierra
$6.49 $1.30Sierra Power Steering-Trim Fluid 8Oz 18-9751-0Anti-foam additives assure uniform flow with reduced air contamination in hydraulic systemsDesigned for heavy duty use at high operating pressures in applications subject to varied temperature rangesProvides...- Part Number:
- 47-97510
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 8 oz.
$6.49 $1.30 -
Sierra Relay Volvo 841177 872272-0 18-6268
Sierra
$35.39 $29.99Sierra Relay Volvo 841177 872272-0 18-6268- Part Number:
- 47-6268
- Availability:
- In Stock - Ships same or next business day.
$35.39 $29.99 -
Sierra Sender-Oil Pres 100Psi Sgl Sta Op24301
Sierra
$58.99 $49.99Sierra Sender-Oil Pres 100Psi Sgl Sta Op24301- Part Number:
- 11-OP24301
- Availability:
- In Stock - Ships same or next business day.
- Thread:
- 1/8" - 27
- Terminal:
- 10-32 Stud
- Rating:
- 100 psi/Single Station
$58.99 $49.99 -
Sierra Solenoid 18-5810
Sierra
$39.59 $31.35Sierra Solenoid 18-5810- Part Number:
- 47-5810
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- Horizontal Post
$39.59 $31.35 -
Sierra Solenoid MerCruiser #89-96054T 18-5816
Sierra
$31.29 $24.67Sierra Solenoid MerCruiser #89-96054T 18-5816- Part Number:
- 47-5816
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- 89-96054 - 89-96054T - 89-91975
$31.29 $24.67 -
Sierra Starter 40-90Hp Etec Brp586768 18-6826
Sierra
$188.69 $175.72Sierra Starter 40-90Hp Etec Brp586768 18-6826These all NEW (not remanufacturered) replacement starters feature a permanent magnet design for more torque and longer life. They meet OEM specs and meet or exceed OEM output for guaranteed performance. High...- Part Number:
- 47-6826
- Availability:
- In Stock - Ships same or next business day.
- Type:
- New
- Fits:
- Johnson/Evinrude
- OEM #:
- 586768 - 587045
$188.69 $175.72 -
Sold Out, please call for ETA.
Sierra Sterling Trim Sz 4St 2002 BRP 63483P
Sierra
$52.89 $36.98Sierra 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 scratch resistant.- 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.
$52.89 $36.98 -
Sierra Switch Oil Pressure 15Psi Trip Op22891
Sierra
$28.59 $22.97Sierra 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
$28.59 $22.97 -
Sierra Trim Motor 3Ram3Wire 811628 18-6774
Sierra
$407.29 $301.01Sierra Trim Motor 3Ram3Wire 811628 18-6774- Part Number:
- 47-6774
- Availability:
- In Stock - Ships same or next business day.
$407.29 $301.01 -
Sierra Trim Motor Yamaha 200-250Hp 18-6798
Sierra
$221.19 $211.12Sierra 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)
$221.19 $211.12 -
Sierra Tune-Up Kit W/Cap Mallory Stac 18-5271
Sierra
$66.99 $51.22Sierra Tune-Up Kit W/Cap Mallory Stac 18-5271Contains: Contact set; condenser and rotor and distributor cap.- Part Number:
- 47-5271
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Indmar - Crusader
- Fits:
- V-8 Mallory Single Point
$66.99 $51.22 -
Sierra Tune-Up Kit W/Cap Pres.Screwv 18-5275
Sierra
$62.89 $48.58Sierra Tune-Up Kit W/Cap Pres.Screwv 18-5275Contains: Contact set; condenser and rotor and distributor cap.- Part Number:
- 47-5275
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Chris-Craft - Crusader - Indmar - Mercruiser - OMC Sterndrive/Cobra - Pleasurecraft. Prestolite
- Fits:
- V-8 Single Point Screw Cap
$62.89 $48.58 -
Sierra Tune-Up Kit W/Cap Prest. V-6 18-5276
Sierra
$72.39 $54.99Sierra 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
$72.39 $54.99 -
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 White Premier Tachometer 7K Rpm 62561P
Sierra
$175.29 $129.99Sierra 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 bezelsU.S. and metric scales; with ISO symbols; where...- 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 $129.99 -
Sierra Wire Kit -Universal Spark Plug 18-5225
Sierra
$42.69 $36.99Sierra 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
$42.69 $36.99 -
Sold Out, please call for ETA.
Sierra Wire Set Evin-John150-175Hp V6 18-8840-1
Sierra
$75.49 $57.66Sierra 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 conductor for maximum horsepower and engine...- Part Number:
- 47-88401
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Johnson/Evinrude - 150 & 175 hp O/B
$75.49 $57.66
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.