Aftermarket Parts
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Seastar Hose Kit-2Pc Seastar O/B 18 Ft Ho5118
Seastar
$266.29 $155.88Seastar Hose Kit-2Pc Seastar O/B 18 Ft Ho5118 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-HO5118
- Availability:
- In Stock - Ships same or next business day.
- Length:
- 18'
- Box:
- 2
$266.29 $155.88 -
Seastar Hose Kit-2Pc Seastar O/B 30 Ft Ho5130
Seastar
$404.09 $296.05Seastar Hose Kit-2Pc Seastar O/B 30 Ft Ho5130 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-HO5130
- Availability:
- In Stock - Ships same or next business day.
- Length:
- 30'
- Box:
- 2
$404.09 $296.05 -
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 $433.56Seastar 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 $433.56 -
Sold Out, please call for ETA.
Seastar OMC 479 Cable CC205
Seastar
$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.
$45.16 -
Seastar Orb Fitting-45Deg Elbow 2Pk Hf6011
Seastar
$52.29 $47.15Seastar Orb Fitting-45Deg Elbow 2Pk Hf6011 These fittings fit updated Seastar cylinders and all helm pump to use O-Ring (ORB) type fittings. Before the update all Seastar Solutions helms used NPT fittings. These 316 stainless steel fittings will...- Part Number:
- 1-HF6011
- Availability:
- In Stock - Ships same or next business day.
- Description:
- 45 Degree Elbow
- Fits:
- Helms
- Bag:
- 2
$52.29 $47.15 -
Seastar Seal Kit 175-7Ba Std Tr M Hs5183
Seastar
$112.39 $88.18Seastar Seal Kit 175-7Ba Std Tr M Hs5183- Part Number:
- 1-HS5183
- Availability:
- In Stock - Ships same or next business day.
$112.39 $88.18 -
Seastar Seal Kit Hs5151
Seastar
$95.39 $73.51Seastar Seal Kit Hs5151 For the SeaStar helm pump. Units prior to 1984, there is no seal kit.- Part Number:
- 1-HS5151
- Availability:
- In Stock - Ships same or next business day.
$95.39 $73.51 -
Seastar Spacer Kit O/B Cylinder Hp6036
Seastar
$70.39 $54.98Seastar Spacer Kit O/B Cylinder Hp6036- Part Number:
- 1-HP6036
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Pivot cylinder mounting hardware kit for outboard front mount cylinder
$70.39 $54.98 -
Seastar Tee Fitting 1/4 x 3/8 (3/Bg) Hf5536
Seastar
$81.99 $47.14Seastar Tee Fitting 1/4 x 3/8 (3/Bg) Hf5536 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-HF5536
- Availability:
- In Stock - Ships same or next business day.
- Type:
- Tee Fitting
- Material:
- Aluminum
- Bag:
- 3
$81.99 $47.14 -
Seastar Terminal Eye Pin Kit 301456
Seastar
$39.69 $32.67Seastar 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"
$39.69 $32.67 -
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 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
$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 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
$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 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 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
$149.19 $126.51 -
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
$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 Clear Light Kit F/Gauges Ia62995
Sierra
$14.49 $12.41Sierra 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.
$14.49 $12.41 -
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
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.