Ensure your semi truck is Ready for the Road Ahead™ with enhanced pneumatic system safety, with the Haldex 1/4"-18 NPT 3-5 psi Service Circuit Stoplight Switch. Thanks to its specialized design, this replacement switch is able to monitor the pressure of a system to engage / disengage the compressor to keep the air pressure at a stable level. Crafted with an easy-to-install and streamlined design.

FleetPride is your First Click in Heavy Duty®.