OER Parts offers a wide selection of Cruise Control Components for your GMC Truck. OER Parts offers GMC Truck Dash Mounted Switch Cruise Control Unit For Use with Non-Computerized Engines, GMC Truck Dash Mounted Switch Cruise Control Unit For Use with Computerized Engines, GMC Truck Column Mounted Cruise Control Unit For Use with Computerized Engines, GMC Truck Column Mounted Control Cruise Control Unit For Use with Non-Computerized Engines, and GMC Truck Universal Cruise Control Handle.