Description:

FITMENT - 2003-2014 For Chevrolet Express 1500,2003-2015 For Chevrolet Express 2500,2003-2015 For Chevrolet Express 3500,2009-2015 For Chevrolet Express 4500,2003-2014 For GMC Savana 1500,2003-2015 For GMC Savana 2500,2003-2015 For GMC Savana 3500,2009-2015 For GMC Savana 4500. REFERENCE NUMBER - 12574383, 15926193. FUNCTION - 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.. EASY INSTALLATION - Disconnect the connector on the MAF sensor,Remove the bolts with a 7mm socket and ratchet or Phillips screwdriver,Remove the MAF sensor. Insert the MAF sensor into place,Tighten the 7mm bolts,Connect the electrical connector..