The 2006 Sierra Tahoe Silverado Throttle Actuator TAC Control Module OEM is a specific part designed by General Motors for the front of vehicles. It is made of plastic, requires programming, and comes with a manufacturer warranty of 1 year. The module has 2 terminals and is a genuine OEM part with the manufacturer part numbers 508-066751 and TMD1-160K1. This Throttle Actuator TAC Control Module is a non-vintage, non-protective lock part with easy installation features, designed for easy replacement and performance enhancement of the vehicle's throttle system.