GM REFERENCE I 1985 THRU 1991 RADIATOR CHART CONTINUED PRODUCTION SERVICE PRODUCTION SERVICE PRODUCTION SE VICE PRODUCTION SERVICE RADIATOR NUMBER RADIATOR NUMBER RADIATOR NUMBER RADIATOR NUMBER CODE CODE CODE CON UC 03090607 UD 03090606 UF 03090607 UH 03048776 UJ 03058605 UL 03057869 UM 03095021 UN 03095022 UO 03048778 UO 03053037 U0 52455822 UP 52455823 UR 03057916 US 03090606 UX 03058605 U5 03057869 U9 03057916 WA 03045972 WB 03094916 WC 03094917 WD 03094916 WF 03094917 WK 03043869 WL 03047103 WO 03046776 WR 03043865 WS 03043872 WX 03046774 XA 03095021 XB 03050783 XC 03090606 XD 52451167 XF 03050783 XJ 03095022 XK 03055072 XM 03055079 XN 03049173 XP 52451167 X5 03055080 XT 03055079 XW 03055080 XZ 03090620 X5 03093375 X6 03058963 X7 03058605 X8 03054047 Y2 03058964 Y3 03058966 Y4 03058966 Y5 03058967 Y6 03058970 Y7 03058970 Y8 03058997 Y9 03058997 ZA 03094188 ZD 03093279 ZJ 03094191 Z0 03094191 ZR 03094191 ZS 03094188 i Q6 1991 GENERAL MOTORS SERVICE PARTS OPERAT ONS LT TRUCK 52G 1 219 1 34 1 91