SeaStar Solutions HF5521 Vertical Bleeder Tee 3/8" Tube 1/4" NPT Hydraulic Steering Fitting (2-Pack)

The SeaStar Solutions HF5521 is a vertical bleeder tee fitting designed for use with SeaStar manual hydraulic marine steering systems. Sold as a pack of two, this fitting provides the bleed port access needed to properly purge air from hydraulic steering lines during installation or maintenance.

All SeaStar manual hydraulic steering systems use a standardized fitting style across all applications, making the HF5521 a reliable, interchangeable component throughout the SeaStar product lineup. The fitting features a 3/8" compression tube connection with a 1/4" NPT bleed port and utilizes a 9/16"-24 extra fine thread for a secure, leak-free seal.

Constructed from corrosion-resistant brass/plated brass, the HF5521 is built to withstand the demanding marine environment. The vertical orientation of this tee is ideal for installations where tube routing exits vertically from the steering cylinder or helm port.

Key Features:

• Vertical bleeder tee configuration for SeaStar hydraulic steering systems
• 3/8" compression tube fitting with 9/16"-24 extra fine thread
• 1/4" NPT bleed port for air purging
• Compatible with 3/8" nylon and/or 3/8" copper tubing
• Brass/plated brass construction for corrosion resistance
• Standardized SeaStar fitting design — consistent across all SeaStar manual hydraulic steering applications
• Pack of 2 fittings included

Important Note: NPT fittings are not compatible with -3 series helms or cylinders. For -3 and -4 series helms and cylinders, use ORB-style fittings such as the HF6001 or HF6002.