gas cap, fuel cap replace gt330, 20915842 compatible with chevy gmc cadillac saturn - avalanche silverado suburban tahoe traverse, acadia sierra yukon, buick enclave, escalade, outlook, year 2004-2011 allmotorparts 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.<br> 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.<br> 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.<br><br> <b>compatible with buick vehicles:</b><br> 2008-2011 enclave<br><br> <b>compatible with cadillac vehicles:</b><br> 2004-2011 escalade<br> 2004-2008 escalade esv, ext<br><br> <b>compatible with chevy vehicles:</b><br> <br>2007-2009 avalanche<br> 2004-2006 avalanche 1500, 2500<br> 2004-2011 silverado 1500<br> 2007 silverado 1500 classic, 1500 hd classic, 2500 hd classic, 3500 classic<br> 2005-2006 silverado 1500 hd<br> 2004 silverado 2500<br> 2004-2011 silverado 2500 hd<br> 2004-2006 silverado 3500<br> 2007-2010 silverado 3500 hd<br> 2004-2009 suburban 1500<br> 2004-2011 suburban 2500<br> 2004-2011 tahoe<br> 2009-2010 traverse<br><br> <b>compatible with gmc vehicles:</b><br> 2007-2010 acadia<br> 2004-2011 sierra 1500<br> 2007 sierra 1500 classic, 1500 hd classic, 2500 hd classic, 3500 classic<br> 2005-2006 sierra 1500 hd<br> 2004 sierra 2500<br> 2004-2011 sierra 2500 hd<br> 2004-2006 sierra 3500<br> 2007-2011 sierra 3500 hd<br> 2004-2011 yukon, xl 2500<br> 2004-2009 yukon xl 1500<br><br> <b>compatible with saturn vehicles:</b><br> 2007-2010 outlook<br><br> <b>replaces part #: </b>gt330, 20915842 fuel gas cap.<br><br> <b>note: </b>this is not a genuine part, it's a aftermarket replacement part manufactured by allmotorparts.<br><br> <b>note: </b>to ensure accurate fitment, please confirm your vehicle information in the above compatibility section and the description.<br>