The Low A/C Switch (part number 11127181A) is a quality replacement low a/c switch for the electrical system on Autocar terminal tractors. Sourced to meet or exceed Autocar OEM specifications, this part delivers dependable performance in the demanding conditions of warehouse, distribution center, and port operations. Weight: 1 lbs. Dimensions: 4" × 4" × 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.