Fitment: 2009 Kenworth T370 2008-2013 Kenworth T660 2008-2013 Kenworth W900 2011 Peterbilt 320 Description: A/C condenser, aluminum, parallel flow type, factory finish - 100% fit tested, 100% leak tested; Built with specific aluminum alloy for maximum cooling efficiency and corrosion resistance. Restore your car's air conditioning system with this new A/C Condenser. What is the purpose of a condenser? .