Description:

FITMENT - 2009-2013 for GMC Sierra 1500 4.8L,2009-2013 for GMC Sierra 1500 5.3L,2009-2013 for GMC Sierra 1500 6.0L,2009-2013 for GMC Sierra 1500 6.2L,2009-2015 for GMC Sierra 2500 HD 6.0L,2009-2015 for GMC Sierra 3500 HD 6.0L,2009 for GMC Yukon 4.8L,2009-2014 for GMC Yukon 5.3L,2010-2013 for GMC Yukon 6.0L,2009-2014 for GMC Yukon 6.2L,2009-2014 for GMC Yukon XL 1500 5.3L,2009 for GMC Yukon XL 1500 6.0L,2009-2014 for GMC Yukon XL 1500 6.2L,2009-2013 for GMC Yukon XL 2500 6.0L. EASY to INSTALL and CLEAN - Disconnect the negative side of the battery, then loosen a couple band clamps and disconnect the harness. Pull out your old unit and re-insert new one, tighten band clamps, re-connect harness and negative battery terminal. HOW to WORK - Mass Air Flow Meter AFM Sensor measures the volume and density of air entering the engine, providing highly accurate Air Flow readings to the ECU over a wide range of ambient temperatures..