Aftermarket Parts
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Seastar Back Mount Steering Rack No Feedback Dual Package SS152
Seastar
$797.39 $629.99Seastar Back Mount Steering Rack No Feedback Dual Package SS152 NFB Pro Rack systems are suitable for single-station, high performance boats equipped with a single non-power-assisted outboard (up to V-6) in which engine flutter or steering instability is...- Part Number:
- NW-1SS152K
- Availability:
- In Stock - Ships same or next business day.
$797.39 $629.99 -
Seastar Bezel Kit 20 Degree Sb27449P
Seastar
$33.19 $26.04Seastar Bezel Kit 20 Degree Sb27449P- Part Number:
- 1-SB27449P
- Availability:
- In Stock - Ships same or next business day.
- Type:
- 20 Deg - Wedge Kit
$33.19 $26.04 -
Seastar Big-T/Safe-T Spent Trav-Tube Sa35680P
Seastar
$16.09 $15.99Seastar Big-T/Safe-T Spent Trav-Tube Sa35680P- Part Number:
- 1-SA35680P
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Spent Travel Tube for Rotary - Safe-T QC - Safe-T TS & Big-T helms
$16.09 $15.99 -
Sold Out, please call for ETA.
Seastar Clevis Kit Long Bolt Sa27329P
Seastar
$65.39 $40.81Seastar Clevis Kit Long Bolt Sa27329P- Part Number:
- 1-SA27329P
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Clevis Kit - Stainless Steel with Long Bolt
$65.39 $40.81 -
Sold Out, please call for ETA.
Seastar Condvit Clamp For 30 Ser. 37664
Seastar
$15.39 $8.28Seastar Condvit Clamp For 30 Ser. 37664- Part Number:
- 1-037664
- Availability:
- In Stock - Ships same or next business day.
$15.39 $8.28 -
Seastar Control Adapter Mercury 301074
Seastar
$126.19 $95.93Seastar Control Adapter Mercury 301074For 3300/33C style cables- Part Number:
- 1-301074
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Mercury/Mariner
$126.19 $95.93 -
Sold Out, please call for ETA.
Seastar Control Cable 6400Bc TFXtreme CCX640
Seastar
$204.99 $173.35Seastar Control Cable 6400Bc TFXtreme CCX640 6400/64BC type. 5/16-24 threaded end. 4" of travel Unique splined-core allows easy movement and minimum lost motion Designed for complex and/or long cable runs Cable has a clamp mt. at the control end and a...- Part Number:
- NW-1CCX640
- Availability:
- In Stock - Ships same or next business day.
$204.99 $173.35 -
Seastar Cylinder O/B Front Mount F/Honda Hc5445-3
Seastar
$1,120.89 $925.32Seastar Cylinder O/B Front Mount F/Honda Hc5445-3Updated cylinders fit the same applications as the prior models. Improvements over previous models include: Updated styling, a more robust barrel, new sealing systems and materials with excellent...- Part Number:
- 1-HC54453
- Availability:
- In Stock - Ships same or next business day.
- Type:
- Front Mt.
- Description:
- Honda 225-250HP 4-stroke
$1,120.89 $925.32 -
Seastar Cylinder Outboard Fm Catamaran Hc53753
Seastar
$1,337.19 $1,159.99Seastar Cylinder Outboard Fm Catamaran Hc53753 The SeaStar front mount pivot cylinder is for Catamaran designs. This cylinder will fit ALL engines that require HC5345 steering cylinder. The internal o-ring is designed to limit the amount of fluid bypass...- Part Number:
- 1-HC53753
- Availability:
- In Stock - Ships same or next business day.
- Type:
- Front Mt.
- Description:
- Catamaran Cylinder
$1,337.19 $1,159.99 -
Seastar Dc Control 301916
Seastar
$232.49 $174.99Seastar Dc Control 301916 For throttle, choke, fuel shutdown. Uses 33C or 43C supreme cables.- Part Number:
- 1-301916
- Availability:
- In Stock - Ships same or next business day.
- Description:
- DC Control
$232.49 $174.99 -
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
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.