TX04 0759 NOTE 3 18003614 GROMMET KIT CHK VLV 4 955 INCL ITEMS 3 4 NOTE 4 18014000 PISTON KIT ERK BOOS PWR 4 922 INCL ITEMS I6 17 RPO DEFINITIONS 5 JB3 BRAKE SYSTEM VACUUM POWER D SC DRUM GVW 4300 LBS ir 1iT 1990 GENERAL MOTORS SERVICE PARTS OPERATIONS LIGHT TRUCK EZR 1 9 90 151 4 000 GROUP