Aftermarket Parts
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Seastar Hardware Bag Twin S Control 30 61001
Seastar
$74.89 $45.16Seastar Hardware Bag Twin S Control 30 61001- Part Number:
- 1-061001
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Hardware Kit forTwin S
$74.89 $45.16 -
Sold Out, please call for ETA.
Seastar Helm Seal Kit For H-80 Hs08
Seastar
$70.39 $45.06Seastar Helm Seal Kit For H-80 Hs08- Part Number:
- 10-HS08
- Availability:
- In Stock - Ships same or next business day.
- Description:
- For H30 & H80 Series thru date code 7900
$70.39 $45.06 -
Sold Out, please call for ETA.
Seastar Helm-Baystar 1.4 Tilt Hh4315-3
Seastar
$959.39 $721.42Seastar Helm-Baystar 1.4 Tilt Hh4315-3BayStar allows you to install all of the safety, reliability and comfort of hydraulic steering onto your boats rated to a MAXIMUM of 150 HP (total).Baystar Helms are equipped with adjustable O-ring fittings to...- Part Number:
- 1-HH43153
- Availability:
- In Stock - Ships same or next business day.
- Description:
- 1.4 Helm Sport Tilt
$959.39 $721.42 -
Sold Out, please call for ETA.
Seastar Helm-Seastar Pro 2.0 Hh5770-3
Seastar
$1,006.69 $905.99Seastar Helm-Seastar Pro 2.0 Hh5770-3- Part Number:
- 1-HH57703
- Availability:
- In Stock - Ships same or next business day.
- Type:
- SeaStar 2.0 Pro Front Mount
$1,006.69 $905.99 -
Sold Out, please call for ETA.
Seastar Helm-SS 1.7 Sport Plus Tilt Hh6491-3
Seastar
$1,383.89 $1,255.61Seastar Helm-SS 1.7 Sport Plus Tilt Hh6491-3Tilt steering delivers performance and flexibility with smooth operation and feel, 48°, of tilt, and 5 lock positions. Fits most styled and formed dashes. Preloaded dual taper bearings ensure minimal excess...- Part Number:
- 1-HH64913
- Availability:
- In Stock - Ships same or next business day.
- Model:
- Sport Plus SeaStar 1.7
$1,383.89 $1,255.61 -
Seastar Hose Kit 3/8" x 75' Ht5097
Seastar
$263.99 $197.28Seastar Hose Kit 3/8" x 75' Ht50973/8" nylon tubing. Recommended for SeaStar I sterndrive, seadrive and inboard systems only. Do not use on outboard systems. Not recommended for use with any 2.0 or 2.4 helm pumps.- Part Number:
- 1-HT5097
- Availability:
- In Stock - Ships same or next business day.
- Length:
- 75'
$263.99 $197.28 -
Seastar Kit Converts Hc4645 To Hc4647 Ha4641
Seastar
$188.79 $141.30Seastar Kit Converts Hc4645 To Hc4647 Ha4641- Part Number:
- 1-HA4641
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Adapter Plate
- For:
- Honda '98 & Later
- Fits:
- HC4645
$188.79 $141.30 -
Sold Out, please call for ETA.
Seastar Link Arm Kit OMC J/E 77/84 Sa27361P
Seastar
$163.89 $104.44Seastar Link Arm Kit OMC J/E 77/84 Sa27361P- Part Number:
- 1-SA27361P
- Availability:
- In Stock - Ships same or next business day.
- Description:
- J/E Link Arm Kit
$163.89 $104.44 -
Seastar Low H/P O/B Eng. Spacer Ho5090
Seastar
$56.59 $33.12Seastar Low H/P O/B Eng. Spacer Ho5090- Part Number:
- 1-HO5090
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Spacer Kit
- Fits:
- HC5345
$56.59 $33.12 -
Sold Out, please call for ETA.
Seastar No-Feedback Rotary Helm/Dual Sh4920P
Seastar
$356.39 $308.58Seastar No-Feedback Rotary Helm/Dual Sh4920PTwo bolts secure QC cable to helmOne bolt holds spent travel tube.No feedback feature- Part Number:
- 1-SH4920P
- Availability:
- In Stock - Ships same or next business day.
- Type:
- Dual Helm
$356.39 $308.58 -
Seastar Orb Fitting 5 Male-1/4 Fem 3Pk Hf6012
Seastar
$77.39 $53.78Seastar Orb Fitting 5 Male-1/4 Fem 3Pk Hf6012These 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-HF6012
- Availability:
- In Stock - Ships same or next business day.
- Description:
- -5 ORB (M) - 1/4 NPT(F) kit
- Fits:
- Helms
- Bag:
- 3
$77.39 $53.78 -
Seastar Outboard Hydraulic Steering Cylinder 125-8 Side Mount HC5370-3
Seastar
$808.49 $669.99Seastar Seastar Cyl 125-8 Side Mnt O/B Hc53703 SeaStar outboard steering offers models of steering cylinders to suit most applications.Side mount cylinders are unbalanced and offer 4.8 or 5.7 turns lock-to-lock. It is suitable for shallow splashwells...- Part Number:
- 1-HC53703
- Availability:
- In Stock - Ships same or next business day.
- Type:
- Side Mount
- Description:
- Side Mount Cylinder - 125-8
$808.49 $669.99 -
Seastar Pivot 30 Ser 1/4 Dia 31029
Seastar
$16.09 $10.21Seastar Pivot 30 Ser 1/4 Dia 31029- Part Number:
- 1-031029
- Availability:
- In Stock - Ships same or next business day.
- Cable:
- 3300
- A:
- 1/4"
- B:
- 43297
- C:
- 21/64"
- D:
- 23621
- E:
- 5/8"
$16.09 $10.21 -
Sold Out, please call for ETA.
Seastar Prostar Ob Hose Kit-12' 2/Bx Ho5712
Seastar
$287.69 $209.45Seastar Prostar Ob Hose Kit-12' 2/Bx Ho5712Includes two hoses - can be used with all SeaStar systems, except BayStar, Capilano and 3-line inboard systems. For hose length, measure intended hose routing or existing cable path and add 2' to allow for...- Part Number:
- 1-HO5712
- Availability:
- In Stock - Ships same or next business day.
- Length:
- 12'
- Box:
- 2
$287.69 $209.45 -
Seastar Prostar Ob Hose Kit-16' 2/Bx Ho5716
Seastar
$307.59 $229.99Seastar Prostar Ob Hose Kit-16' 2/Bx Ho5716 Includes two hoses - can be used with all SeaStar systems, except BayStar, Capilano and 3-line inboard systems. For hose length, measure intended hose routing or existing cable path and add 2' to allow for...- Part Number:
- 1-HO5716
- Availability:
- In Stock - Ships same or next business day.
- Length:
- 16'
- Box:
- 2
$307.59 $229.99 -
Seastar Prostar Ob Hose Kit-20' 2/Bx Ho5720
Seastar
$295.09 $249.99Seastar Prostar Ob Hose Kit-20' 2/Bx Ho5720 Includes two hoses - can be used with all SeaStar systems, except BayStar, Capilano and 3-line inboard systems. For hose length, measure intended hose routing or existing cable path and add 2' to allow for...- Part Number:
- 1-HO5720
- Availability:
- In Stock - Ships same or next business day.
- Length:
- 20'
- Box:
- 2
$295.09 $249.99 -
Seastar Prostar Ob Hose Kit-24' 2/Bx Ho5724
Seastar
$484.69 $399.99Seastar Prostar Ob Hose Kit-24' 2/Bx Ho5724 Includes two hoses - can be used with all SeaStar systems, except BayStar, Capilano and 3-line inboard systems. For hose length, measure intended hose routing or existing cable path and add 2' to allow for...- Part Number:
- 1-HO5724
- Availability:
- In Stock - Ships same or next business day.
- Length:
- 24'
- Box:
- 2
$484.69 $399.99 -
Seastar Safe-T II No Feedback Single Sh5150P
Seastar
$206.69 $159.99Seastar Safe-T II No Feedback Single Sh5150P Collet & hitch pin secure QC cable to helm One bolt holds spent travel tube Safe-T II cast finish helm has No FeedBack&trade, feature, HPS gold-finish helm does not- Part Number:
- 1-SH5150P
- Availability:
- In Stock - Ships same or next business day.
- Type:
- Single Helm (Safe-T II) NFB
$206.69 $159.99 -
Seastar Sea Star Nylon Tube 3/8X25 Ht5092
Seastar
$143.69 $117.99Seastar Sea Star Nylon Tube 3/8X25 Ht5092 3/8" nylon tubing. Recommended for SeaStar I sterndrive, seadrive and inboard systems only. Do not use on outboard systems. Not recommended for use with any 2.0 or 2.4 helm pumps.- Part Number:
- 1-HT5092
- Availability:
- In Stock - Ships same or next business day.
- Length:
- 25'
$143.69 $117.99 -
Seastar Seastar Cylinder 125-8Em Hc53283
Seastar
$803.79 $586.31Seastar Seastar Cylinder 125-8Em Hc53283This cylinder fits most power and non-power assist sterndrives. It can be used on single and multiple drives with multiple steering station connection. This cylinder features simple autopilot interface.- Part Number:
- 1-HC53283
- Availability:
- In Stock - Ships same or next business day.
- Model:
- 125-8EM Unbalanced
$803.79 $586.31
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.
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- Motor Oil – Marine-grade oils for routine maintenance
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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
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- 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
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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
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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.