REAR AXLE FIELD IDENTIFICATION Axles are manufactured by Buick Chevrolet Buffalo Chevrolet warren Chevrolet Gear and Axle Oldsmobile Pontiac and McKinnon Divisional Manufacturer code letters A will be metal stamped on the axle tube adjacent to the carrier for field identi fication See example Metal stamped on Flght 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 FIELD 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 L D DAY SHIFT S N NIGHT SHIFT MANUFACTURER IDENTITY A B BUICK G CHEVROLET GEAR AND AXLE O OLDSMOBILE C CHEVROLET BUFFALO P PONTIAC K GM OF CANADA ST CATHERINES M PONTIAC CANADA MCKINNON W CHEVROLET WARREN V MANUFACTURERS IDENTIFICATION WILL APPEAR IN THE DESCRIPTION COLUMN OF CATALOG EXAMPLE 82 A B C W GSO 488333 2 PLATE DIFF PRELOAD P M TYPE 1992 GENERAL MOTORS SERVICE PARTS OPERAT ONS CHEVROLET 17B Y 8 92 5 1 I 5 000