Throttle Body 12617792 / 12678224 / 12729520 / S20223 / TB1297 / ETB0066 for Chevrolet Silverado 1500 LT, Chevrolet Tahoe LS, Chevrolet Suburban LT, GMC Sierra 1500 SLE Pickup Trucks and SUVs (2014–2018Product Overview Part Name: Electronic Throttle Body Assembly Part Number: 12617792 12678224 12729520 S20223 TB1297 ETB0066 Vehicle Compatibility: Chevrolet Silverado 1500 LT pickup trucks, Chevrolet Tahoe LS SUVs, Chevrolet Suburban LT SUVs, and GMC Sierra 1500 SLE pickup trucks equipped with 5. 3L gasoline engines and electronic throttle control systems (20142018). Configuration: OEM style electronic throttle body calibrated for GM Gen V 5. 3L V8