25168491 AF10043 MAF Mass Air Flow Sensor for Buick RAINIER Cadillac CTS Deville Chevy Silverado Suburban 1500 2500 Tahoe GMC Sierra Yukon Pontiac Replacement# 25318411 19330121

MAF (mass air flow) sensors are located between the air filter and the throttle body and are responsible for measuring the amount of air entering the engine. It is part of your vehicle’s electronic fuel injection system. A faulty MAF sensor can cause your vehicle to run too rich or run too lean. You’ll notice if the tailpipes eject black smoke or when the engine runs rough or backfires. You may also notice you’re filling up at the gas station more than usual. | A contaminated or failed MAF sensor cannot measure the amount of air flow correctly.This causes engine computer to miscalculate the amount of injected fuel. As a result, a bad sensor causes various driveability problems, including a no-start, stalling, lack of power and poor acceleration. In addition, a faulty sensor might cause Check Engine or Service Engine Soon light to come on. Make sure to fix the problem right away so you can be safe, avoid costly repairs and avoid being stranded on road. | This Mass Air Flow Sensor Fits the Following Vehicles: Buick RAINIER 2004-2007; Cadillac CTS 2004-2005, Deville 2000-2005, Eldorado 2000-2002, Seville 2000-2004, Escalade 2002-2006, Escalade ESV 2003-2006, Escalade EXT 2002-2006; Chevy AVALANCHE 1999-2000, AVALANCHE SUT 2002-2006, AVALANCHE SUV 2000, C3500 2001-2002, Corvette 2001-2007, Silverado 2500 3500 SS 1999-2007, SSR 2003-2009, SUBURBAN 1999-2006, Tahoe 1999-2006, TRAILBLAZER 2003-2009, TRAILBLAZER SS 2005-2009; | This Mass Air Flow Sensor Fits the Following Vehicles: GMC C4500 C8500 2003-2009, C6500 C7500 2001-2009, School Bus 2001-2002, GMC Sierra 1500 1999-2007, 2500 1999-2004, 2500 HD 2001-2007, 3500 2001-2007, GMC YUKON 2000- 2006, Yukon XL 1500 2500 2000-2006, Envoy 2003-2009, Envoy XL 2003-2006, Envoy XUV 2004-2005; Hummer H2 2003-2009; Oldsmobile Aurora 2001-2002; Pontiac Bonneville 2004-2005, Pontiac GTO 2005-2006; Saab 9-7x 4.2L 2005-2009; Isuzu Ascender 5.3L 2003-2006. | Customers can find the product you need accurately according to the OE number. Replacement Part Number: AF10043, 15904068, 8159040680, 8253184110, 19330121, 868411, SU1287, SU9516, MF8411, 28411M, 748411. Interchange OEM factory part numbers: 25318411, 25168491, AC Delco # 2134160, 213-4160, 213364, 213-364. For 1999-2007 Chevy, GMC, and Cadillac Trucks and SUVs; 85Mm diameter & 5 pin connector.