The engine size is needed to answer your question.
Mine is a 21mm I believe. Hope this helps
The 2008 Dodge Avenger has a 2.4 L base engine size.
The 2013 Dodge Avenger has a 2.4 L base engine size.
The 2012 Dodge Avenger has a 2.4 L base engine size.
The 2011 Dodge Avenger has a 2.4 L base engine size.
The 2010 Dodge Avenger has a 2.4 L base engine size.
The 2014 Dodge Avenger has a 2.4 L base engine size.
The 2009 Dodge Avenger has a 2.4 L base engine size.
The 2012 Dodge Avenger has an inline 4 engine.
The 2009 Dodge Avenger has an inline 4 engine.
The 2010 Dodge Avenger has an inline 4 engine.