1998 Peterbilt 330 Engine: 7.2L L6; Position: Fan, Alternator and Air Conditioning;. 1999 Peterbilt 330 Engine: 7.2L L6; Position: Fan, Alternator and Air Conditioning;. 2000 Peterbilt 330 Engine: 7.2L L6; Position: Fan, Alternator and Air Conditioning;.