REAR AXLE FIELD IDENTIFICATION Axles are manufactured by Buick Chevrolet Buffalo Chevrolet Warren Chevro1et Gear and Axle Oldsmobile Pontiac and McKinnon Divisional Manufacturer code letters will be metal stamped on the axle tube adjacent to the carrier for field identi fication See example Metal stamped on right front inboard side letters and numerals 1 4 high 3 outboard of carrier or are located on a metal tag attached to cover bolt Reference should be made to divisional service manuals for location on some models FIEILD IDENTIFICATION MINIMAL REQUIREMENTS FOR IDENTO PLATE NK B 218 D W LIMITED SLIP IDENT G8O OPTION W BORG WARNER RATIO E EATON CODE O OLDS MANUFACTURER IDENTITY DAY OF YEAR AXLE BUILT D M DAY SHIFT N NIGHT SHIFT MANUFACTURER IDIENTITY B BUICK G CHEVROLET GEAR AND AXLE O OLDSMOBILE A C CHEVROLET BUFFALO P PONTIAC K GM OF CANADA ST CATHERINES M PONTIAC CAMADA MCKINNON W CHEVROLET WARREN MANUFACTURERS IDENTIFICATION WILL APPEAR IN THE DESCRIPTION COLUMN OF CATALOG EXAMPLE 82 A B C W G8O 488333 2 PLATE DIFF PRELOAD P M TYPE 1993 GENERAL MOTORS SERVICE PARTS DP EERAT ONS CHEVROLET 8F 5 93 5 1 5 000