0 Peterbilt Other, , Heater/AC Control Assys, Fits to: Peterbilt Other, (Used) Peterbilt HEATER/AC CONTROL MODULE - Part Number: Q21-6012, Software Revision: 2.10 For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921, Truck Year OTHER, Part# Q21-6012,
