Interchange part number: AF10043, 213-4160, 213-364, 15904068, 25168491, 25318411, 8253184110, MF8411, 28411M, 748411, 868411, SU1287, SU9516Mass Flow Sensors not only help to measure the volume and density of air entering the engine, provide highly accurate airflow readings to the ECU, but also deliver combustion and emissionsEquipped with a fine grid filter; Fits well into the plastic housing between the engine and the air filter; High precision results of this meter are guaranteedEasy 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 terminalFitment:: 2004-2007; : 2000-2005, Eldorado 2000-2001, Escalade 2003,2005, Seville 2002-2004; : 1500 2002-2006, 2001-2007, 1500 \/ 2500 1999-2007, 3500 2001-2006, 1500 \/ 2500 2000-2006, 2001-2006, Trailblazer 2003-2009; : Envoy 2003-2009, 1500 \/ 2500 \/ 3500 2000-2007, 2000-2006; : H2 2003-2007; : Ascender 2003-2005; : Bonneville 2004-2005; Saab: 9-7x 2005,2008-2009colour:blackmaterial:ABSPackage Contents:1 * air flow sensorOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.