1985 91 LM TRUCK PROPELLER SHAFT T f T MODEL REFERENCE A POSITION OP ONE PIECE SHAFT FOR REAR AXLE LENGTH MEASURED BY ONE OF THE FOLLOWING METHODS FRT FRONT HALF OF REAR AXLE PROP SHAFT 1 DISTANCE BETWEEN UNIVERSAL JOINT RR REAR HALF OF REAR AXLE PROP SHAFT CENTERLINES l AUX FRONT AXLE PROP SHAFT 4WD 2 DISTANCE BETWEEN UNIVERSAL JOINT CENTERLINE AND CENTER BEARING CENTERLINE 4 I FIRST LAST PART LENGTH COLUMN YEAR YEAR NUMBER POSITION USAGE INCHES NUMBER l 85 A 91 7847636 OP M1 W A T MD8 50 18 1 85 86 7848062 OP M1 2 5E W M T MR2 53 41 2 85 88 7848063 OP M1 2 5E W M T ML3 MF2 50 18 3 89 89 7848063 OP M1 2 5E W M T ML2 50 18 3 86 89 7847635 OP M1 4 32 W M T MH3 50 18 4 90 90 26020700 OP L1 W A T MD8 38 88 5 I 91 91 26026738 OP L1 W A T MD8 I 38 88 7 90 91 15648700 AUX L1 N A 6 I T A C 1991 GENERALMOTORSSERVEEPARTSOPERAUONS LTTRUCK 62M 1 91 5 17 T 5 544