https://www.anyrecalls.com/pro-air 2005-03-01 0.7 https://www.anyrecalls.com/pro-air/66l-duramax-titan 0.6 https://www.anyrecalls.com/pro-air/66l-duramax-titan/2005 0.8 https://www.anyrecalls.com/pro-air/66l-duramax-titan/2004 0.8