Interlock Valves
Brake interlock valves are a critical safety component for petroleum tank trailers, ensuring that the vehicle remains stationary during loading and unloading operations. These valves automatically engage the braking system, preventing accidental movement and enhancing overall safety. Whether you need a replacement valve or an upgrade for your fleet, Littlejohn Inc offers a wide selection of high-quality brake interlock valves from top manufacturers.
We carry trusted brands like Civacon, Emco Wheaton, EBW, and Dixon, ensuring you get durable, reliable components that meet industry standards. Air Interlock Valves such as Civacon's 301, Emco Wheaton’s F0903047, EBW’s 88015501, and Dixon’s 500AI provide dependable solutions tailored to the rigorous demands of fuel hauling.
At Littlejohn Inc, we take pride in offering the best selection of tank trailer parts at competitive prices. With our extensive inventory and fast shipping, you can count on us to keep your fleet running safely and efficiently. Browse our selection of brake interlock valves today and experience the Littlejohn difference!

