Throttle Body 217-2293 / 337-05400 for Chevrolet Silverado 1500 WT, LS, LT Pickup Trucks (2003–2006)Product Overview Part Name: Electronic Throttle Body Assembly Part Number: 217 2293 337 05400 Vehicle Compatibility: Chevrolet Silverado 1500 WT, LS, and LT pickup trucks equipped with gasoline engines and electronic throttle control systems (20032006). Configuration: OEM style electronic throttle body with 8 pin electrical connector, matched to factory GM airflow specifications. Function: Controls engine air intake for smooth throttle response,