I TS06 001 NOTE 1 SEE STEERING PUMP ILLUSTRATION IN GROUP 6 000 FOR DETAILS I RPO DEFINITIONS V LB4 ENGINE 4 3L 4 3Z V6 LL2 ENGINE 2 8L 2 8R V6 L35 ENGINE 4 3L 4 3W CENTRAL PORT INJECTION V6 9O DEG N40 STEERING HYDRAULIC NON VARIABLE V 1992 GENERAL MOTORS SERVICE PARTS OPERATIONS LT TRUCK 538 6 000 GROUP I A 6 64 I 1 92