Features: Fitment: Replacement for 1999-2007 GMC Sierra 1500, 1999-2004 GMC Sierra 2500, 2001-2006 GMC Yukon, 2004-2007 Buick Rainier, 2000-2002| 2004-2005 Cadillac DeVille (Please see below description fitment) Interchange part number: AF10043, 213-4160, 213-364, 15904068, 25168491, 25318411, 8253184110, MF8411, 28411M, 748411, 868411, SU1287, SU9516 Mass 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 optimum combustion and emissions Equipped 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 guaranteed 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 ?NOTICE? Please clean out the air box and replace the air filter before installating this Mass Air Flow Sensor Meter, or the Code and Check Engine Light may keep showing even if you replace a new MAF. Fitment: Buick: Fit for 04-07 Rainier 4.2L L6 GAS DOHC Cadillac: Fit for 00-05 DeVille 4.6L V8 GAS DOHC Fit for 00-01 Eldorado 4.6L V8 GAS DOHC Fit for 03,05 Escalade 5.3L V8 GAS OHV Fit for 02-04 Seville 4.6L V8 GAS DOHC Chevrolet: Fit for 02-06 Avalanche 1500 5.3L V8 GAS OHV Fit for 01-07 Corvette 5.7L V8 GAS OHV Fit for 99-07 Silverado 1500 4.3L V6/4.8L V8/5.3L V8/6.0L V8 GAS OHV 5.3L V8 FLEX OHV Fit for 99-07 Silverado 2500 6.0L V8 GAS OHV Fit for 01-06 Silverado 3500 6.0L V8 CNG OHV/GAS OHV 6.6L V8 DIESEL OHV 8.1L V8 GAS OHV Fit for 00-06 Suburban 1500 5.3L V8 FLEX OHV Fit for 00-06 Suburban 2500 6.0L V8/8.1L V8 GAS OHV Fit for 01-06 Suburban 2500 8.1L V8 GAS Fit for 01,03,04,06 Tahoe 4.8L V8 GAS OHV Fit for 02-06 Tahoe 5.3L V8 FLEX OHV Fit for 03-09 Trailblazer 4.2L L6 GAS DOHC GMC Fit for 03-09 Envoy 4.2L L6 GAS DOHC Fit for 00-07 Sierra 1500 4.3L V6/4.8L V8/5.3L V8/6.0L V8 GAS OHV 5.3L V8 FLEX OHV Fit for 00-04 Sierra 2500 5.3L V8/6.0L V8 GAS OHV 6.0L V8 BI-FUEL OHV/CNG OHV Fit for 01-07 Sierra 2500 HD 6.0L V8 CNG OHV/GAS OHV 6.6L V8 DIESEL OHV 8.1L V8 GAS OHV Fit for 01-06 Sierra 3500 6.0L V8 CNG OHV/GAS OHV 6.6L V8 DIESEL OHV 8.1L V8 GAS OHV Fit for 00-06 Yukon 5.3L V8 FLEX OHV/GAS OHV 6.0L V8 GAS OHV Fit for 01-06 Yukon XL 2500 8.1L V8 Hummer Fit For 03-07 Hummer H2 6.0L V8 GAS OHV Isuzu Fit for 03-05 Isuzu Ascender 5.3L V8 GAS OHV Pontiac Fit For 04-05 Pontiac Bonneville 3.8L V6 GAS OHV Saab Fit For 05,08-09 Saab 9-7x 5.3L V8 GAS OHV Package Content: 1x Mass Air Flow Sensor