Gates Drive Belt Idler Pulley Upper For 2004-2007 Peterbilt 320 7.2L L6 DIESEL

2004 Peterbilt 320 Engine: 7.2L L6 DIESEL; Position: Upper;. 2005 Peterbilt 320 Engine: 7.2L L6 DIESEL; Position: Upper;. 2006 Peterbilt 320 Engine: 7.2L L6 DIESEL; Position: Upper;. 2007 Peterbilt 320 Engine: 7.2L L6 DIESEL; Position: Upper;.