Aftermarket Parts
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Seastar Hose Kit-2Pc Seastar O/B 4 Ft Ho5104
Seastar
$193.79 $159.99Seastar Hose Kit-2Pc Seastar O/B 4 Ft Ho5104 Includes two hoses - can be used with all SeaStar systems, except SeaStar PRO, BayStar, Capilano and 3-line inboard systems. ID of 5/16".- Part Number:
- 1-HO5104
- Availability:
- In Stock - Ships same or next business day.
- Length:
- 4'
- Box:
- 2
$193.79 $159.99 -
Seastar Hose Kit-2Pc Seastar O/B 8 Ft Ho5108
Seastar
$187.09 $149.21Seastar Hose Kit-2Pc Seastar O/B 8 Ft Ho5108Includes two hoses - can be used with all SeaStar systems, except SeaStar PRO, BayStar, Capilano and 3-line inboard systems. ID of 5/16".- Part Number:
- 1-HO5108
- Availability:
- In Stock - Ships same or next business day.
- Length:
- 8'
- Box:
- 2
$187.09 $149.21 -
Seastar Liquid Tiebar Valve Ha54712
Seastar
$626.39 $449.99Seastar Liquid Tiebar Valve Ha54712 The SeaStar cylinder allows for the periodic required realignment of two outboard motors or rudders that are linked together with a hydraulic tie bar as opposed to a solid link or a mechanical tie bar. Hydraulic tie...- Part Number:
- 1-HA54712
- Availability:
- In Stock - Ships same or next business day.
$626.39 $449.99 -
Sold Out, please call for ETA.
Seastar OMC 479 Cable CC205
Seastar
$50.69 $45.16Seastar OMC 479 Cable CC205 Stainless steel and brass fittings. Fits 1979-date BRP/OMC/Johnson/Evinrude w/BRP/OMC controls and OMC Turbo Jets w/OMC side mount controls that accept OMC "snap in" type cable. 8" Min. bend radius.- Part Number:
- NW-1CC205
- Availability:
- In Stock - Ships same or next business day.
$50.69 $45.16 -
Seastar Orb Cylinder Bleeder Tee 2Pk Hf6002
Seastar
$97.69 $87.99Seastar Orb Cylinder Bleeder Tee 2Pk Hf6002 All Older Style SeaStar manual hydraulic steering systems. These are 3/8" compression fittings which utilize a 9/16"-24 extra fine thread. (Seastar Solutions New Updated cylinders with part numbers ending in...- Part Number:
- 1-HF6002
- Availability:
- In Stock - Ships same or next business day.
- Type:
- Bleeder/Tee - Vertical
- Material:
- Aluminum
- Bag:
- 2
$97.69 $87.99 -
Seastar Quick Connect Converter Sa27620P
Seastar
$34.49 $22.99Seastar Quick Connect Converter Sa27620P Quick Connect II for helms with threaded spigots SA27620P (upgrades older Teleflex/Seastar Solutions rotary helms to Quick-Connect cable interface, allowing use of SSC61/SSC62 QC cables).- Part Number:
- 1-SA27620P
- Availability:
- In Stock - Ships same or next business day.
$34.49 $22.99 -
Seastar Seal Kit 175-7Ba Std Tr M Hs5183
Seastar
$107.99 $85.99Seastar Seal Kit 175-7Ba Std Tr M Hs5183- Part Number:
- 1-HS5183
- Availability:
- In Stock - Ships same or next business day.
$107.99 $85.99 -
Seastar Seastar 20 Deg Bezel Ha5419
Seastar
$166.19 $114.99Seastar Seastar 20 Deg Bezel Ha5419 For standard helms. Allows a SeaStar helm to be mounted 20°, from perpendicular (not for BayStar).- Part Number:
- 1-HA5419
- Availability:
- In Stock - Ships same or next business day.
- Description:
- 20 Deg - Dash Mounting Wedge Kit
$166.19 $114.99 -
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 1/4 Mc/Ma/Ya Fuel Connector 18-8075
Sierra
$20.89 $16.99Sierra 1/4 Mc/Ma/Ya Fuel Connector 18-8075- Part Number:
- 47-8075
- Availability:
- In Stock - Ships same or next business day.
- Connector:
- Hose - Female
- Fits:
- Mercury/Mariner
- Application:
- Mates with 18-8077-1
- Replaces:
- 22-14213M - 22-14213Q
- Thread:
- -
- Hose:
- 1/4"
$20.89 $16.99 -
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 -
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
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
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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.