The Spacer Pilot M Lap (part number A4630006-001) is a quality replacement pilot m lap 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: 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.