4 Port Quick Release Air Valve For Heavy Duty Truck Air Brake System, Premium Pneumatic Valve Assembly Swap In For Freightliner Cascadia Western Star Models, Easy Install, Replaces WAB 473 500 008 0

Heavy-Duty 4-Port Air Valve for Truck Brakes
✔️ 4-port valve, aluminum alloy body, durable 4 NPT ports, single unit

This premium four-port quick release valve is designed for heavy-duty truck air brake systems. It provides fast exhaust to release brakes and prevent drag on long-haul runs. A rugged replacement for worn or failing valves, it fits standard 4-port configurations across many commercial fleets.

✅ Dimensions: 4.00 in L x 4.00 in W; Height 3.00 in
✅ Material: Heavy duty aluminum alloy
✅ Ports: 4 x NPT threaded ports
✅ Cross references: WAB 473 500 008 0, 4735000080, R9554735000080, S4735000080
✅ Application: Suitable for heavy truck air brake systems in long-haul use

💡 What is a quick release air valve used for in heavy-duty trucks?

This handy component vents air rapidly to release brakes and prevent drag on long hauls. - vents air rapidly from brake chambers to release brakes - helps prevent brake drag on long hauls - commonly used in heavy-duty truck air brake systems