Fuel Tank Filler CapGas Cap Compatible With Chevy GMC Cadillac Oldsmobile Pontiac - 1999-2003 Silverado Sierra 2000-2003 Suburban Tahoe Yukon 2002-2003 Escalade AvalancheReplace GT231 15763227

Package Includes: 1 *Fuel Tank Filler Cap Replaces Part Number: GT231, 15763227 Fitment: Compatible with Cadillac Vehicles: 2002-2003 Escalade 2003 Escalade ESV 2002-2003 Escalade EXT Compatible with Chevy Vehicles: 2002-2003 Avalanche 1500 2002-2003 Avalanche 2500 1996 Cavalier 1999-2003 Silverado 1500 2001-2003 Silverado 1500 HD 1999-2003 Silverado 2500 2001-2003 Silverado 2500 HD 2001-2003 Silverado 3500 2000-2003 Suburban 1500 2000-2003 Suburban 2500 2000-2003 Tahoe 1997 Venture Compatible with GMC Vehicles: 1999-2003 Sierra 1500 2001-2003 Sierra 1500 HD 1999-2003 Sierra 2500 2001-2003 Sierra 2500 HD 2001-2003 Sierra 3500 2000-2003 Yukon 2000-2003 Yukon XL 1500 2000-2003 Yukon XL 2500 Compatible with Oldsmobile Vehicles: 1997 Silhouette 1996 Achieva Compatible with Pontiac Vehicles: 1997 Trans Sport 1996 Grand Am 1996 Sunfire How can you tell the Fuel Tank Filler Cap/gas cap needs replaced? 1.Cap does not tighten properly Most Fuel Tank Filler Cap/gas caps are designed to click once they are tightened sufficiently. If the cap does not click, or clicks and then pops loose again then that may be a sign that it may need to be replaced. 2.Fuel smell from the vehicle If the Fuel Tank Filler Cap/gas cap seal becomes damaged or worn it may cause fuel vapors from the gas tank to leak from the filler neck. This may result in a gasoline odor from the vehicle as a result of the escaping vapors. 3.Check Engine Light comes on A bad or failing fuel cap will not necessarily cause major performance issues, but it can set off the Check Engine Light, which will prevent the vehicle from passing an emissions test. If you suspect that your gas cap may be having an issue