Aftermarket Parts
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Seastar Terminal Eye Pin Kit 301456
Seastar
$34.89 $28.21Seastar Terminal Eye Pin Kit 301456Contains terminal eye pin, E-ring, nut and washer.- Part Number:
- 1-301456
- Availability:
- In Stock - Ships same or next business day.
- Cable:
- 3300
- Pin:
- 1-1/2" x 5/16"
$34.89 $28.21 -
Seastar Tie Bar-SS Kicker Cable 16" Ho6116
Seastar
$741.79 $659.99Seastar Tie Bar-SS Kicker Cable 16" Ho6116 Allows a user to manually steer an auxiliary engine (kicker motor) using most existing Seastar hydraulic steering systems. Design incorporates a Seastar Solutions Xtreme cable as the linkage between the two...- Part Number:
- 1-HO6116
- Availability:
- In Stock - Ships same or next business day.
- Length:
- 16"
$741.79 $659.99 -
Seloc Publishing Manual Johnson 02-07 3.5-250hp All O/B 1314
Seloc Publishing
$73.69 $55.99Seloc Publishing Manual Johnson 02-07 3.5-250hp All O/B 1314 The only marine tune-up manuals to be certified by the engine manufacturers as accurate and complete. Seloc uses easy to understand, step-by-step, illustrated procedures for the complete...- Part Number:
- 230-1314
- Availability:
- In Stock - Ships same or next business day.
- Type:
- Johnson O/B
- Description:
- All Engines
- HP:
- 3.5-250
- Year:
- 2002-2007
$73.69 $55.99 -
Seloc Publishing Manual Johnson/Evinrude 90-01 1.25-70hp Inline 1312
Seloc Publishing
$62.09 $55.99Seloc 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 understand, step-by-step, illustrated procedures for the complete...- 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
$62.09 $55.99 -
Sherwood Pump P Pumpsea(Chry318-360)1 1/4 G7B
Sherwood Pump
$962.29 $667.99Sherwood Pump P Pumpsea(Chry318-360)1 1/4 G7BEngine Model: Chrysler Marine Model 318 and 360 (4142878)Impeller Kit: 10615KMinor Repair Kit: 23976Major Repair Kit: 23977Pulley Diameter: 6-1/2"- 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
$962.29 $667.99 -
Sherwood Pump Pump-Cat 3116 Engines P1710C
Sherwood Pump
$1,340.89 $949.03Sherwood 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
$1,340.89 $949.03 -
Shurflo Impeller Kit For Series 3000 94-120-00
Shurflo
$53.49 $39.99Shurflo Impeller Kit For Series 3000 94-120-00 Fits older model 3000-120 pumps.- Part Number:
- 275-9412000
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Replacement Impeller kit
$53.49 $39.99 -
Sierra 339-7452A19(A15)MerCruiser Switchbo 18-5777
Sierra
$250.09 $177.99Sierra 339-7452A19(A15)MerCruiser Switchbo 18-5777- Part Number:
- 47-5777
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- Mercury/Mariner: 339-7452A15 - A19
$250.09 $177.99 -
Sierra 582138 Power Pack 582556 18-5760
Sierra
$191.79 $128.28Sierra 582138 Power Pack 582556 18-5760- Part Number:
- 47-5760
- Availability:
- In Stock - Ships same or next business day.
$191.79 $128.28 -
Sierra Amega Gauge H2O Press Ob 40Psi 68357P
Sierra
$133.29 $123.99Sierra 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 with domed glass sheds water and resists scratching...- 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
$133.29 $123.99 -
Sierra Bellowsexh OMC 914036 18-2764
Sierra
$41.69 $33.21Sierra Bellowsexh OMC 914036 18-2764- Part Number:
- 47-2764
- Availability:
- In Stock - Ships same or next business day.
- Application:
- All clutch dog Cobra models ('86-'93)
- Replaces:
- 914036
$41.69 $33.21 -
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 stainless steel bezel; black pointer with fire orange...- 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
$39.29 $28.99Sierra Carb Kit 1397 8952 823426A 1 18-7077- Part Number:
- 47-7077
- Availability:
- In Stock - Ships same or next business day.
$39.29 $28.99 -
Sierra Carb Kit 1397-3464/Om982384 18-7070
Sierra
$33.79 $25.43Sierra Carb Kit 1397-3464/Om982384 18-7070- Part Number:
- 47-7070
- Availability:
- In Stock - Ships same or next business day.
- OEM #:
- Merc 1397-2072 - 1397-7542 - 1397-2637 - 1397-8872 - 1397-3464
$33.79 $25.43 -
Sierra Carb Repair Kit Weber 4Bbl 832728 18-7749
Sierra
$140.79 $119.99Sierra Carb Rep Kit Weber 4Bbl 832728 18-7749- Part Number:
- 47-7749
- Availability:
- In Stock - Ships same or next business day.
$140.79 $119.99 -
Sierra Carburetor Kit MerCruiser 18-7746
Sierra
$39.29 $29.99Sierra Carburetor Kit MerCruiser 18-7746- Part Number:
- 47-7746
- Availability:
- In Stock - Ships same or next business day.
$39.29 $29.99 -
Sierra Clear Light Kit F/Gauges Ia62995
Sierra
$13.89 $12.99Sierra Clear Light Kit F/Gauges Ia62995Includes wedge base socket and 12V bulb.- Part Number:
- 11-IA62995
- Availability:
- In Stock - Ships same or next business day.
$13.89 $12.99 -
Sierra Coil -Dist Pick Up GM L4 V6 V8 18-5108
Sierra
$45.19 $28.52Sierra Coil -Dist Pick Up GM L4 V6 V8 18-5108- Part Number:
- 47-5108
- Availability:
- In Stock - Ships same or next business day.
$45.19 $28.52 -
Sold Out, please call for ETA.
Sierra Coil Lead M-M 90Deg-180Deg 12 18-28102
Sierra
$16.89 $13.88Sierra 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 $13.88 -
Sierra Distributor Cap Delco Mc393-9459Q 1 18-5385
Sierra
$25.99 $21.99Sierra Distributor Cap Delco Mc393-9459Q 1 18-5385Replaces: MerCruiser 393-9459; 393-9459Q1; OMC 380541.- Part Number:
- 47-5385
- Availability:
- In Stock - Ships same or next business day.
$25.99 $21.99
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.