COOLANT GRILLE OIL SYSTEM GM REFERENCE 1982 THRU 1988 RADIATOR CHART CONTINUED PRODUCTION SERVICE PRODUCTION SERVICE PRODUCTION SERVICE PRODUCTION SERVICE RADIATOR NUMBER RADIATOR NUMBER RADIATOR NUMBER RADIATOR NUMBER CODE CODE CODE CODE YT 03035447 VT 03090674 YU 03090671 YW 03047803 YX 03090671 YY 03055697 YZ 03090676 ZA 03043089 ZB 03043089 ZB 03090675 Z0 03091010 ZF 03050452 ZH 03050453 ZJ 03054174 ZM 03053231 ZN 03053537 Z0 03053537 ZP 03050421 ZR 03049480 Z5 03055626 ZT 03055626 ZU 03055626 ZW 03049617 ZX 03049617 ZY 03053537 ZZ 03053537 Z8 03090081 Z9 03090082 1988 GENERAL MOTORS SERVICE PARTS OPERATIONS CHEVROLET 17F REV 6 88 RADIATOR 3 1 219 GROUP