INDEX The identification or usage charts are located in the catalog as listed below VIN A Model Designation Label Logations Sales Op ions Engine Service Policy Group 0 000 Engine Stamping Information Group 0 000 Engine Identification Group 0 000 Engine and Transmission Usage Group 0 000 V Belt Chart Group 1 066 Radiator Chart Group 1 219 Starter Motor Chart Group 2 041 Spark Plug Wire Chart Group 2 240 Generator Chart Group 2 275 Distributor Chart Group 2 361 Lamg Socket Chart Group 2 999 Fue Tank Meter Chart Group 3 107 Fuel Injection Pump Group 3 306 Throttle Body Chart Group 3 335 Air Cleaner Chart Group 3 402 Carburetor Chart Group 3 725 Electronic Control Module Chart Group 3 999 Transmission and Engine Usage Group 4 000 Transmission ID Trans to Asm Group 4 000 Transmission ID Asm to Trans Group 4 000 Speedometer Gear Chart A T Group 4 337 Transmission Chart Group 4 499 Brake Chart Group 4 500 Master Cylinder Chart Group 4 650 Power Booster Chart Group 4 901 Rear Axle ID Group 5 000 Axle ID Group 5 000 Steering Gear Chart Group 6 508 Steering Column Chart Group 6 518 Power S eering Pump Chart Group 6 605 Spring Charts Group 7 412 Adhesive Molding Usage Group 8 132 Heater Module C art Group 8 845 Heater Blowers Group 8 857 Body Cushion Chart Group 9 023 Air Conditioning Module Group 9 169 Air Conditioning Compressors Group 9 170 Air Conditioning Blowers Group 9 215 Electric Antenna Chart Group 9 645 Instrument Cluster Chart Group 9 735 Trim Combinations Group 14 000 Paints Color By Family Group 14 000 Seat Belt Charts Group 14 875 Carpet Identification Group 15 512 t 1991 GENERAL MOTORS SERVICE PARTS OPERATIONS BUICK 44W 4 6 91