Name:Radiator CapDescribe:[REPLACEMENT OVER BLOW CAP] The radiator cap holds the coolant inside the radiator, but it also works as a two-way valve that keeps the right pressure inside so the radiator does it work correctly. Symptoms of a Bad Radiator Cap: air enters the system, low coolant level, coolant leaks, overflowing reservoir, overheating engine.Applicable models:for : Escalade 2002-2006, Escalade ESV 2003-2006, Escalade EXT 2002-2006, SRX 2004-2009for : 1500 \/ 2500 2002-2006, Captiva Sport 2012-2015, Cavalier 1999-2005, Classic 2004-2005, Cobalt 2005-2010, 2005-2017, Express 2500 2006-2006, 1999-2012, SSR 2003-2006, 1500 1999-2006, 1500 HD 2001-2003 2005-2006, 2500 1999-2004, 2500 HD 2001-2006, 3500 2001-2006, 1500 \/ 2500 2000-2006, 2000-2006, 2013-2017for : Acadia 2013-2016, Acadia Limited 2017-2017, 2500 2006-2006, 1500 1999-2006, 1500 HD 2001-2003 2005-2006, 2500 1999-2004, 2500 HD \/ 3500 2001-2006, Terrain 2010-2017, \/ XL 1500 \/ XL 2500 2000-2006for : G5 2007-2009, G6 2005-2010, Grand Am 1999-2005, Sunfire 1999-2005, Solstice 2006-2009, Torrent 2006-2009for : Aura 2007-2009, Ion 2003-2007, 2007-2010, Vue 2002-2010for : Alero 1999-2004, Cutlass 1999-1999, Intrigue 2000-2002for : H2 2003-2009for : XL-7 2007-2009for : Enclave 2013-2017Material: plasticcolour: blackPackage Contents:2 x Radiator CapOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.