Gas Cap- Fuel Cap Replace GT335- 20914961 Compatible with Buick Cadillac Chevy GMC - 2007-2011 Lucerne- 2007-2011 DTS- 2004-2005 Escalade- 2005-2007 Cobalt- 2004-2008 Express- 2004-2008 Savana- More

Most fuel caps are sealed by turning them until you hear a clicking sound. An old, loose gas cap, cracked or otherwise faulty gas cap may causes your check engine light CEL turns on. If your check engine light comes on or if you smell of gasoline or diesel vapors around or near the fuel filler cap and your car is not smoking or making a unusual noise, please take a minute to check the gas cap. This gas cap provide a tight seal to keep your vehicle's fuel tank closed, fuel economy and reduce vapor emissions. 100% Brand New and ready to install straight out of the box. Compatible with Buick Vehicles: 2007-2011 Lucerne 2005-2007 Terraza Compatible with Cadillac Vehicles: 2005-2006 CTS 2007-2011 DTS 2004-2005 Escalade 2004-2005 Escalade ESV 2004-2005 Escalade EXT 2005-2007 SRX 2006-2007 XLR Compatible with Chevy Vehicles: 2004-2005 Avalanche 1500 2004-2005 Avalanche 2500 2005-2007 Cobalt 2007 Corvette 2004-2008 Express 1500 2004-2008 Express 2500 2004-2008 Express 3500 2005-2008 Uplander Compatible with GMC Vehicles: 2004-2008 Savana 1500 2004-2008 Savana 2500 2004-2008 Savana 3500 Compatible with Pontiac Vehicles: 2005-2006 Montana Compatible with Saturn Vehicles: 2005-2007 Saturn Relay Replaces Part #: GT335, 20914961 fuel gas cap NOTE: This is NOT a genuine part, it's a aftermarket replacement part manufactured by Allmotorparts. NOTE: To ensure accurate fitment, please confirm your vehicle information in the above compatibility section and the description or the OE#.