The Knob Trailer Air Supply Red (part number 120907) is a quality replacement trailer air supply red on Capacity yard trucks and terminal tractors. Sourced to meet or exceed Capacity OEM specifications, this part delivers dependable performance in the demanding conditions of warehouse, distribution center, and port operations. Weight: 1 lbs. Dimensions: 2" × 2" × 4". Yard Truck Specialists has been supplying genuine terminal tractor parts since 1986 — every order ships fast from our Pennsylvania warehouses with expert support available.
