Production number also erviced For 1980 and after use Production Number for service 1991 GENERAL MOTORS SERVICE PARTS 0PERATI 0NS LT TRUCK
chart does not include special notched belts required with some installations See Special V Belt Chart For 1980 and after use Production Number for Service 1991 GENERALMOTORSSERVWEPARTSOPERAUONS 1TTRUCK
DIESEL 91 MODEL YEAR VIN POSITION 10 VIN CODE YEAR A 1980
ILLUSTRATED 78TM PS FORWARD CONTROL CHASSIS P MODEL 1972 1978 ILLUSTRATED 8OTM ST STEEL TILT MODELS 1979 1980 NOT ILLUSTRATED 82TM SC F STEEL CONVENTIONAL MODELS SERIES 5 THRU 7 1979 1982 NOT ILLUS 82TM