Outfit your semi truck to be Ready for the Road Ahead™ with increased control of its air brakes, with the Sealco 3/8" NPT Dolly Control Line Valve. By utilizing a modified dolly port that offsets the timing imbalances in brake systems, this replacement piece is able to provide enhanced control of the service brakes and brake drag. Built with a balanced control line to provide uniform braking across multiple axles.
FleetPride is your First Click in Heavy Duty®.
Provides a balanced control line signal for uniform braking of multi-axle combination vehicles
Prevents premature braking of the steerable axle in combination vehicles for maximum lateral stability while stopping
Modified dolly port helps offset timing imbalances in certain brake systems
Improves service brake release to help eliminate brake drag