13-15 Western Star 4800 -L;  (Use with Part Number(s) 612033418;) 14-14 Western Star 4800 10.8L; (Use with Part Number(s) 612033418;) 14-14 Western Star 4800 12.7L;  (Use with Part Number(s) 612033418;) 12-15 Western Star 4800 12.8L;  (Use with Part Number(s) 612033418;) 05-06 Western Star 4900EX 12.7L;  05-06 Western Star 4900EX 14.6L; 05-05 Western Star 4900FA 10.8L;  05-05 Western Star 4900FA 11.1L; 05-06 Western Star 4900FA 12.5L;  05-06 Western Star 4900FA 12.7L; 05-06 Western Star 4900FA 12.8L;  05-06 Western Star 4900FA 14.6L; 06-06 Western Star 4900SA -L;  (Aftermarket Style Replacement;) 05-06 Western Star 4900SA 11.1L;  (Aftermarket Style Replacement;) 05-06 Western Star 4900SA 12.5L;  (Aftermarket Style Replacement;) 2005-2006 Western Star 4900SA 12.7L;  (Aftermarket Style Replacement;) 2005-2006 Western Star 4900SA 12.8L;  (Aftermarket Style Replacement;) 2006-2006 Western Star 4900SA 14.0L;  (Aftermarket Style Replacement;) 2005-2006 Western Star 4900SA 14.6L;  (Aftermarket Style Replacement;) 2006-2006 Western Star 4900SA 15.0L;  (Aftermarket Style Replacement;) 2005-2006 Western Star 6900XD 12.7L;  2005-2006 Western Star 6900XD 14.6L; 2005-2006 Western Star 6900XD 15.8L; 44*25*4"CN 22104PFC