Jetuplusllc Bleeder Fitting Kit for SeaStar/Teleflex Front-Mount Cylinders — 2-Pack 3/8" Compression, 9/16"-24 Thread, O-Rings

These are a pair of polished metal 3/8" bleeder adapter fittings from Jetuplusllc made to fit SeaStar and Teleflex front-mount hydraulic steering cylinders, sold complete with O-rings for a secure seal.

When servicing or replacing parts on manual hydraulic steering systems, the correct bleeder fittings ensure proper venting and leak-free connections. The Jetuplusllc 2-pack contains two threaded adapters built from metal with a polished finish, designed specifically for front-mount cylinders used with SeaStar Solutions and Teleflex marine steering units from 1998 to present. Each adapter uses a 3/8" compression connection with a 9/16"-24 fine thread and includes O-rings for immediate installation.

How do these bleeder fittings fit my SeaStar or Teleflex front-mount cylinder?

The fittings are engineered to match the common fittings used on manual hydraulic steering setups and are tailored for front-mount cylinders. They screw in using a 9/16"-24 fine thread and accept 3/8" compression lines, giving a compatible interface without modifications.

• Thread specification: 9/16"-24 fine thread for a tight connection.
• Compression size: 3/8" tubing compatibility for standard hydraulic lines.
• Sold as a pair to service both ports or keep a spare on board.
• Includes O-rings for immediate leak-resistant installation.

What materials and finish should I expect, and why does that matter?

These adapters are metal with a polished exterior finish that resists corrosion and provides a smooth sealing surface. A durable metal body helps withstand the stresses of hydraulic systems and repeated tightening, while the polished finish minimizes surface corrosion in a marine environment.

• Metal construction for strength and longevity.
• Polished exterior minimizes corrosion and eases cleaning.
• Threaded design preserves thread integrity under repeated use.
• O-rings add a secondary seal against leaks.

Can I use these fittings on any helm or cylinder, and are there restrictions?

These adapters are intended specifically for front-mount cylinders fitted to SeaStar and Teleflex systems from 1998 onward. They are not suitable for use with -3 helms or cylinders that require NPT fittings—NPT-style fittings should not be substituted for these fine-thread adapters.

• Compatible: Front-mount SeaStar and Teleflex cylinders (1998–present).
• Not compatible: -3 helm and/or cylinders that require NPT fittings.
• Designed for manual hydraulic steering systems that use this fitting style.
• Sold as a pair to match the two bleeder ports commonly found on front-mount cylinders.

What comes in the box and how do I prepare for installation?

Each package contains two metal bleeder adapter fittings and the O-rings needed for sealing. Prepare by cleaning the receiving ports, inspecting threads and mating tubing, and ensuring you have the correct wrench sizes and thread sealant if required by your system.

• Includes two threaded adapters and O-rings for immediate use.
• Recommended tools: appropriate wrenches and thread inspection tools.
• Prep steps: clean ports, verify thread type, check tubing condition.
• Keep spare O-rings and a torque reference handy for reassembly.

Who is this for: Boat owners, marine mechanics, and DIYers maintaining manual hydraulic steering systems who need a reliable replacement bleeder fitting for front-mount cylinders. This 2-pack from Jetuplusllc is best for SeaStar Solutions and Teleflex-equipped boats built from 1998 onward, and for anyone seeking polished, threaded 3/8" compression adapters with O-rings included. Avoid buying these if your helm or cylinder specifically requires NPT fittings or if you have a -3 helm setup.