Aftermarket Parts
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Seastar 3300/Adapter Kit Merc-O/B-I/O Ca27319P
Seastar
$46.39 $36.28Seastar 3300/Adapter Kit Merc-O/B-I/O Ca27319P For use with 3300 and 3300HP cable. Quick installation and maximum adjustment at engine. Includes throttle and shift adapters.- Part Number:
- 1-CA27319P
- Availability:
- In Stock - Ships same or next business day.
- For:
- Mercury O/B & I/O
$46.39 $36.28 -
Seastar Ball Joint Kit 1/4-28 30Ser. 31126
Seastar
$26.49 $22.28Seastar Ball Joint Kit 1/4-28 30Ser. 31126- Part Number:
- 1-031126
- Availability:
- In Stock - Ships same or next business day.
- Cable:
- 3300
- Stud:
- 9/16"
- Thread:
- 46756
$26.49 $22.28 -
Sold Out, please call for ETA.
Seastar Bezel F/Back Mount Rack Helm Sb39526P
Seastar
$36.09Seastar Bezel F/Back Mount Rack Helm Sb39526P- Part Number:
- 1-SB39526P
- Availability:
- In Stock - Ships same or next business day.
- Type:
- 90 Deg - Back Mount
$36.09 -
Seastar Bleeder Tee Assembly F/Tm Cyls (2) Hf5519
Seastar
$265.99 $205.72Seastar Bleeder Tee Assembly F/Tm Cyls (2) Hf5519All 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...- Part Number:
- 1-HF5519
- Availability:
- In Stock - Ships same or next business day.
- Type:
- Bleed tee (TM cylinders)
- Material:
- Brass
- Bag:
- 2
$265.99 $205.72 -
Seastar Bulk Head Hose Kits 24' 2/Bx Ho8124
Seastar
$423.89 $308.59Seastar Bulk Head Hose Kits 24' 2/Bx Ho8124SeaStar® Bulkhead Hose Kits assure a neat hydraulic steering installation. Each hose has an integral bulkhead fitting for tidy routing of hoses through a splashwell bulkhead, helping to eliminate excess...- Part Number:
- 1-HO8124
- Availability:
- In Stock - Ships same or next business day.
- Length:
- 24'
- Box:
- 2
$423.89 $308.59 -
Seastar Ch5600 Cable Attachment Kit Ca69022P
Seastar
$91.59 $71.21Seastar Ch5600 Cable Attachment Kit Ca69022P- Part Number:
- 1-CA69022P
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Dual Station Cable Hardware Kit
$91.59 $71.21 -
Seastar Cylinder Outboard Fm Pro Hc6345-3
Seastar
$1,307.09 $1,064.99Seastar Cylinder Outboard Fm Pro Hc6345-3 The SeaStar Pro Front Mount Outboard Cylinders have keyed support brackets to prevent racking of the cylinder which gives it a more solid feel and more robust bushings. Suited for all those critical high speed,...- Part Number:
- 1-HC63453
- Availability:
- In Stock - Ships same or next business day.
- Description:
- SeaStar Pro
- Mount:
- Pivot
$1,307.09 $1,064.99 -
Sold Out, please call for ETA.
Seastar Gauge Rear Mount 0-60 psi Hp6005
Seastar
$55.69 $44.15Seastar Gauge Rear Mount 0-60 psi Hp6005- Part Number:
- 1-HP6005
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Gauge - rear mount - 0-60 psi
$55.69 $44.15 -
Seastar Hardware Bag Twin S Control 30 61001
Seastar
$84.99 $66.60Seastar 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
$84.99 $66.60 -
Sold Out, please call for ETA.
SeaStar HK4500A-3 BayStar Plus Compact Hydraulic Steering System Complete Kit w/o Hoses
Seastar
$996.99Seastar Steering Kit-Baystar+ No-Hose Hk4500A-3 Application: BayStar is for single-outboard powered boats rated up to 150 HP, including runabouts and inflatables and outboard engines with ABYC standard engine tilt tubes up to 150 HP (total). For single...- Part Number:
- 1-HK4500A3
- Availability:
- In Stock - Ships same or next business day.
- Includes:
- HH45143 Plus Helm w/o Hoses
$996.99 -
Seastar HPS R&P Backmount TFXtreme SSC135
Seastar
$499.99Seastar HPS R&P Backmount TFXtreme SSC135 All Seastar Solutions steering cables exceed ABYC safety standards and ISO/IMCI/NMMA certification requirements. Features a tightly controlled core to conduit fit to offer precise steering. The outer jacket...- Part Number:
- NW-1SSC135
- Availability:
- In Stock - Ships same or next business day.
$499.99 -
Sold Out, please call for ETA.
SeaStar Hydraulic Sport Tilt Helm 1.7 Teleflex Marine HH6191-3 HH6191-4
Seastar
$1,270.89 $1,093.16SeaStar HH6191-4 marine hydraulic sport tilt helm 1.7.Features Greatly reduced "chatter" noise that is typically generated by overrunning steering loads Improved check valve durability with a more robust design Better trailering performance as well...- Part Number:
- 1-HH61914
- Availability:
- In Stock - Ships same or next business day.
$1,270.89 $1,093.16 -
Seastar Morse Pivot-40 Series 31537
Seastar
$45.49 $37.53Seastar Morse Pivot-40 Series 31537- Part Number:
- 1-031537
- Availability:
- In Stock - Ships same or next business day.
- Cable:
- 4300
- A:
- 1/4"
- B:
- 1/2"
- C:
- 1/2"
- D:
- 13/64"
- E:
- 7/8"
$45.49 $37.53 -
Seastar Nut 1/2 Nf Nylok Np 6Ea 192126 Hf6008
Seastar
$58.49 $46.04Seastar Nut 1/2 Nf Nylok Np 6Ea 192126 Hf6008- Part Number:
- 1-HF6008
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Nylon Nut - 1/2" NF - 6 each
$58.49 $46.04 -
Seastar Orb Fitting-Tee 2Pk Hf6005
Seastar
$94.79 $88.07Seastar Orb Fitting-Tee 2Pk Hf6005Engineered to provide today's high-powered offshore tournament boats and other high-performance vessels with precise, smooth and reliable steering. This heavy-duty cylinder is designed to work with all new and existing...- Part Number:
- 1-HF6005
- Availability:
- In Stock - Ships same or next business day.
- Description:
- ORB Tee Fitting Kit
$94.79 $88.07 -
Seastar Orb Fitting-Vertical Tee 2Pk Hf6006
Seastar
$94.79 $84.47Seastar Orb Fitting-Vertical Tee 2Pk Hf6006 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-HF6006
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Vertical Tee
- Fits:
- Cylinders
- Bag:
- 2
$94.79 $84.47 -
Seastar Orb Kit-Add Helm/Autopilot O/B Hf6007
Seastar
$277.79 $246.16Seastar Orb Kit-Add Helm/Autopilot O/B Hf6007These 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-HF6007
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Fitting Kit
- Fits:
- Helms
$277.79 $246.16 -
Seastar Pivot 30 Series 37691
Seastar
$18.89 $15.98Seastar Pivot 30 Series 37691- Part Number:
- 1-037691
- Availability:
- In Stock - Ships same or next business day.
- Cable:
- 3300
- A:
- 5/16"
- B:
- 7/16"
- C:
- 3/8"
- D:
- 13/32"
- E:
- 1-1/16"
$18.89 $15.98 -
Seastar Safe-T II No Feedback Single Sh5150P
Seastar
$214.99 $166.55Seastar 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
$214.99 $166.55 -
Sold Out, please call for ETA.
Seastar Seal Kit F/ SS04 & St04 Ecs06
Seastar
$77.29 $52.22Seastar Seal Kit F/ SS04 & St04 Ecs06- Part Number:
- 10-ECS06
- Availability:
- In Stock - Ships same or next business day.
- Description:
- For SS-04/06 - ST-04/06
$77.29 $52.22
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.
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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
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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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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.
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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.