SEARCH BY SERIAL NUMBER - BS Blue 55 Please Choose the Serial Number Range that corresponds to your truck. MenuClick Here to Search By Serial Number(JAN 1986) 203001 TO 310241 (FEB 1987)(MARCH 1987) 310242 TO 970999 (DEC 1993)(JAN 1994) 971000 TO 238003 (FEB 1996)(MARCH 1996) 238004 TO 98089999 (AUG 1998)(SEP 1998) 98090001 TO 01030275 (FEB 2001)(MARCH 2001) 01030276 TO 03069999 (JUNE 2003)(JULY 2003) 0307001 TO CURRENT CHOOSE YOUR CYLINDER ROD DIAMETER 35 mm (1 3/8″) diameter pump cylinder rod or 30 mm (1 3/16″) diameter pump cylinder rod: Select 35 mm Rod Select 30 mm Rod Useful Information Here is what you have selected: Steel Handle Selected Cast Iron Wheel Selected