Q/R #6 Str Hose End Plug Valved Black

The Q/R #6 Str Hose End Plug Valved Black is a precision quick-disconnect hydraulic coupling component designed for pressurized fluid systems in high-performance vehicles and custom engine builds. This straight hose end plug serves as a critical interface point in power steering, brake line, transmission cooler, and fuel system applications where reliable pressure retention and rapid connection/disconnection are non-negotiable. Built for mechanics and performance enthusiasts who demand fail-safe hydraulic integrity, this valved plug prevents fluid spillage and system contamination during maintenance, repair, or component swaps on modified and stock vehicles alike.

The #6 SAE port size designation indicates compatibility with standard -6 AN (automotive) hose fittings, a universal sizing standard in performance and custom automotive applications. The integrated ball valve mechanism automatically seals internal passages when disconnected, trapping pressurized fluid and eliminating messy leaks—a feature critical when working on complex fuel injection systems, turbo cooler lines, or custom hydraulic steering setups. The straight (Str) configuration allows direct axial connection without bends, ideal for tight engine bays and precision plumbing layouts. Black powder-coat or anodized finish provides corrosion resistance in under-hood environments while maintaining professional appearance on show-quality builds.

This component benefits restoration specialists, race car fabricators, and anyone rebuilding or upgrading hydraulic circuits on turbocharged, supercharged, or heavily modified powerplants. Installation is straightforward: thread onto the corresponding -6 hose assembly using two wrenches to prevent line twisting, ensuring full engagement to guarantee valve sealing. The valved design eliminates the need for separate caps or plugs, reducing clutter in engine compartments and streamlining quick teardowns. Compatible with any SAE -6 AN hose end fitting across fuel, oil, coolant, or power steering applications, this plug is an indispensable addition to any serious builder's hardware inventory.