2008 Peterbilt 335 Engine: 6.7L L6 DIESEL; Position: Fan, Alternator and Air Conditioning;. 2009 Peterbilt 335 Engine: 6.7L L6 DIESEL; Position: Fan, Alternator and Air Conditioning;. 2010 Peterbilt 335 Engine: 6.7L L6 DIESEL; Position: Fan, Alternator and Air Conditioning;.
