Aftermarket Parts
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Seastar Tilt Helm Nfb Backmount R&P Sh91630P
Seastar
$259.19 $199.99Seastar Tilt Helm Nfb Backmount R&P Sh91630P High-Performance back mount, single-cable rack & pinion helm. Requires separate tilt mechanism SH91800P.- Part Number:
- 1-SH91630P
- Availability:
- In Stock - Ships same or next business day.
$259.19 $199.99 -
Sold Out, please call for ETA.
Seloc Publishing Manual Johnson/Evinrude 90-01 1.25-70hp Inline 1312
Seloc Publishing
$54.68Seloc Publishing Manual Johnson/Evinrude 90-01 1.25-70hp Inline 1312The only marine tune-up manuals to be certified by the engine manufacturers as accurate and complete. Seloc uses easy to...- Part Number:
- 230-1312
- Availability:
- In Stock - Ships same or next business day.
- Type:
- Johnson/Evinrude O/B
- Description:
- 2 & 4 stroke inline
- HP:
- 1.25-70
- Year:
- 1990-2001
$54.68 -
Sherwood Pump P Pumpsea(Chry318-360)1 1/4 G7B
Sherwood Pump
$1,010.49 $732.23Sherwood Pump P Pumpsea(Chry318-360)1 1/4 G7BEngine Model: Chrysler Marine Model 318 and 360 (4142878)Impeller Kit: 10615KMinor Repair Kit: 23976Major Repair- Part Number:
- 762-G7B
- Availability:
- In Stock - Ships same or next business day.
- Engine:
- Chrysler 318 & 360
- Inlet:
- 1-1/4"
- Outlet:
- 1-1/4"
- Note:
- All bronze
$1,010.49 $732.23 -
Sold Out, please call for ETA.
Sherwood Pump Pump-Cat 3116 Engines P1710C
Sherwood Pump
$1,086.18Sherwood Pump Pump-Cat 3116 Engines P1710CImpeller Kit: 17000KMinor Repair Kit: 25123Major Repair Kit: 25121- Part Number:
- 762-P1710C
- Availability:
- In Stock - Ships same or next business day.
- Engine:
- Caterpiller 3116
- Note:
- Sold w/o port elbows
$1,086.18 -
Sierra 62351A1/816770 Rectifier Mer 18-5707
Sierra
$65.09 $45.88Sierra 62351A1/816770 Rectifier Mer 18-5707Fits all applications with square; 3 post rectifier.- Part Number:
- 47-5707
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- 62351A1 - 62351A2 - 816770 - 816770T
$65.09 $45.88 -
Sierra 982211/2023/391-7057 Rotor 18-5404-1
Sierra
$12.99 $10.81Sierra 982211/2023/391-7057 Rotor 18-5404-1- Part Number:
- 47-54041
- Availability:
- In Stock - Ships same or next business day.
$12.99 $10.81 -
Sierra Amega Gauge H2O Press Ob 40Psi 68357P
Sierra
$149.19 $126.51Sierra Amega Gauge H2O Press Ob 40Psi 68357PSmart white and red graphics on a black dial background; these very low profile bezels follow the curve of the lenses to eliminate water trapping. Design...- Part Number:
- 11-68357P
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 2"
- Type:
- Water Pressure Kit - Outboard (contains fittings & 20' of tubing)
- Dial Range:
- 0-40 psi
- Sender Code:
- WP included
$149.19 $126.51 -
Sierra Bellows Volvo Penta 876294 18-2744
Sierra
$117.39 $69.99Sierra Bellows Volvo Penta 876294 18-2744- Part Number:
- 47-2744
- Availability:
- In Stock - Ships same or next business day.
- Application:
- AQ200 - 250 - 270 - 270T - 275 - 280 - 280T - PT - 290 DP UNIT: 280 - 290
- Replaces:
- 8758260 - 8762940
(with ridge)
$117.39 $69.99 -
Sold Out, please call for ETA.
Sierra Black Sterling H2O Temp 100-240F 67020P
Sierra
$50.99 $34.75Sierra Black Sterling H2O Temp 100-240F 67020PBlack Sterling instruments have white graphics and black background on spun aluminum dial; scratch-resistant domed glass lens; perimeter lit dial; elite...- Part Number:
- 11-67020P
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 2"
- Type:
- Water Temperature (Electric)
- Dial Range:
- 100 Deg --240 Deg -F
- Sender Code:
- D
$50.99 $34.75 -
Sierra Carb Kit 1397 8952 823426A 1 18-7077
Sierra
$44.39 $33.42Sierra Carb Kit 1397 8952 823426A 1 18-7077- Part Number:
- 47-7077
- Availability:
- In Stock - Ships same or next business day.
$44.39 $33.42 -
Sierra Coil -Dist Pick Up GM L4 V6 V8 18-5108
Sierra
$51.29 $33.60Sierra Coil -Dist Pick Up GM L4 V6 V8 18-5108- Part Number:
- 47-5108
- Availability:
- In Stock - Ships same or next business day.
$51.29 $33.60 -
Sold Out, please call for ETA.
Sierra Coil Lead M-M 90Deg-180Deg 12 18-28102
Sierra
$16.89 $14.26Sierra Coil Lead M-M 90Deg-180Deg 12 18-28102- Part Number:
- 47-28102
- Availability:
- In Stock - Ships same or next business day.
- Description:
- 12" w/90 Deg - male Dist & 180 Deg - male coil
$16.89 $14.26 -
Sierra Conversion Kit-Mallory Yl-Yd 8 18-5296-2
Sierra
$292.09 $213.52Sierra Conversion Kit-Mallory Yl-Yd 8 18-5296-2- Part Number:
- 47-52962
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Chris-Craft - Crusader - Pleasurecraft - Mercruiser - OMC Sterndrive/Cobra - Most Mallory YL & YD 8 cylinder - with clockwise and counter clockwise rotating distributors
$292.09 $213.52 -
Sierra Distributor Cap Mly Crab 221B 18-5375
Sierra
$92.69 $71.65Sierra Distributor Cap Mly Crab 221B 18-5375- Part Number:
- 47-5375
- Availability:
- In Stock - Ships same or next business day.
$92.69 $71.65 -
Sold Out, please call for ETA.
Sierra End Plate-Manifold OMC#910384 18-4009
Sierra
$88.59 $70.26Sierra End Plate-Manifold OMC#910384 18-4009- Part Number:
- 47-4009
- Availability:
- In Stock - Ships same or next business day.
$88.59 $70.26 -
Sierra Filter-Oil Suzuki # 16510-45H10 18-8870
Sierra
$13.79 $9.30Sierra Filter-Oil Suzuki # 16510-45h20 18-8870Please see manufacturer application guide for complete application references.- Part Number:
- 47-8870
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- Suzuki 16510-45H10
$13.79 $9.30 -
Sierra Fuel Filter Yamaha #69J-24501-00 18-79981
Sierra
$48.39 $37.18Sierra Fuel Filter Yamaha #69J-24501-00 18-79981- Part Number:
- 47-79981
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- 69J-24501-00
$48.39 $37.18 -
Sierra Fuel Filter-Yamaha #6P3-Ws24A-00-00 18-79809
Sierra
$24.49 $17.90Sierra Fuel Filter-Yamaha #6P3-Ws24A-00-00 18-79809- Part Number:
- 47-79809
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- 6P3-WS24A-00-00 - 6P-24563-01-00 - 6P3-W824A-01-00
- Application:
- Yamaha F150 - F200 - F225 - F250 -
Z-VZ 150 to 300 hp after April of 2006
$24.49 $17.90 -
Sierra Fuel Pump E/J 397839 18-7350
Sierra
$93.29 $60.36Sierra Fuel Pump E/J 397839 18-7350- Part Number:
- 47-7350
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Fits: 6/8/9.9/15 hp (1992 & Up)
- Replaces:
- 397839 - 391638 - 395091 - 397274
$93.29 $60.36 -
Sierra Fuel Pump Kit F2A24747-1 18-7805
Sierra
$14.39 $11.99Sierra Fuel Pump Kit F2A24747-1 18-7805- Part Number:
- 47-7805
- Availability:
- In Stock - Ships same or next business day.
$14.39 $11.99
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.