For 2004-2007 Peterbilt 378 Accessory Drive Belt Tensioner Assembly AC Dayco

2004 Peterbilt 378 10.8L L6; Position: Air Conditioning;. 2005 Peterbilt 378 10.8L L6; Position: Air Conditioning;. 2006 Peterbilt 378 10.8L L6; Position: Air Conditioning;. 2007 Peterbilt 378 10.8L L6; Position: Air Conditioning;.