For 2003-2018 Western Star 4900SA Drive Belt Tensioner Assembly Fan Gates 2004

2003 Western Star 4900SA Engine: 12.7L L6 DIESEL; Position: Fan;. 2003 Western Star 4900SA Engine: 14L L6 DIESEL; Position: Fan;. 2004 Western Star 4900SA Engine: 12.7L L6 DIESEL; Position: Fan;. 2004 Western Star 4900SA Engine: 14L L6 DIESEL; Position: Fan;.