(with Red Dot R2500 Unit;)
2004-2007 Western Star 4900EX -L ; 2004-2004 Western Star 4900EX 10.3L;
2004-2004 Western Star 4900EX 12.0L; 2004-2007 Western Star 4900EX 12.7L;
2004-2007 Western Star 4900EX 14.0L; 2004-2007 Western Star 4900EX 14.6L;
2005-2005 Western Star 4900EX 15.0L; 2004-2004 Western Star 4900EX 15.8L;
2004-2007 Western Star 4900FA -L; 2004-2004 Western Star 4900FA 10.3L;
2005-2007 Western Star 4900FA 10.8L; 2005-2007 Western Star 4900FA 11.1L;
2004-2004 Western Star 4900FA 12.0L; 2004-2007 Western Star 4900FA 12.5L;
2004-2007 Western Star 4900FA 12.7L; 2004-2007 Western Star 4900FA 12.8L;
2004-2007 Western Star 4900FA 14.0L; 2004-2007 Western Star 4900FA 14.6L;
2007-2007 Western Star 4900FA 15.0L; 2004-2004 Western Star 4900FA 15.8L;
2004-2007 Western Star 4900SA -L; 2004-2004 Western Star 4900SA 10.3L;
2005-2007 Western Star 4900SA 11.1L; 2004-2004 Western Star 4900SA 12.0L;
2004-2007 Western Star 4900SA 12.5L; 2004-2007 Western Star 4900SA 12.7L;
2004-2007 Western Star 4900SA 12.8L; 2004-2007 Western Star 4900SA 14.0L;
2004-2007 Western Star 4900SA 14.6L; 2006-2007 Western Star 4900SA 15.0L;
2004-2005 Western Star 6900XD -L (with OE # RD237730;with Red Dot R2500 Unit;)
2004-2007 Western Star 6900XD 12.7L
