Trailer Control Valves
- 9730024020 TRAILER CONTROL VALVEThe trailer control valve in the towing vehicle causes the brake system of a trailer to be supplied with compressed air. It also controls the trailer brake system via the service brake system of the towing vehicle and via the parking and auxiliary brake valve. Learn More
- 9730025390 TRAILER CONTROL VALVEThe trailer control valve in the towing vehicle causes the brake system of a trailer to be supplied with compressed air. It also controls the trailer brake system via the service brake system of the towing vehicle and via the parking and auxiliary brake valve. Learn More



