OE/OEM Part Number: 12595829,12615503,12618735,2173150,33702173,673021,S20050,TB1021. 1x Throttle Body - S20050. Chevrolet Silverado 1500 2007-2013 V6 4.3L. Chevrolet Malibu 2008-2012 V6 3.6L. - Remove the old throttle body carefully, taking note of all connections.
