G ENGINE ASSEMBLY GA 1 CYLINDER BLOCK CRANKCASE GA 5 ENGINE LIFTER HOOKS BRACKETS GB CLUTCH FLYWHEEL HOUSING GC 2 CRANKSHAFT BALANCER GC 3 FLYWHEEL GG 2 OIL FILLER GG 3 OIL TEMP REGULATOR OIL COOLER GG 4 OIL LEVEL INDICATOR GG 5 OIL FILTER GG 7 ENGINE OIL GH ENGINE VENTILATING SYSTEM GJ ENGINE FRONT END COVER GK I FAN DRIVE GK 2 WATER PUMP DRIVE GK 3 THERMOSTAT MISCELLANEOUS ITEMS GK 4 WATER FILTER GK 5 ENGINE COOLANT ADDITIVES GL 1 INTAKE MANIFOLD GL 2 EXHAUST MANIFOLD GL 3 EXHAUST GAS RECIRCULATION AND EXHAUST EMISSION HOSE PIPES SOLENOID SWITCHES VALVES GL 4 EARLY FUEL EVAPORATION E F E ACTUATOR PIPES SWITCH VALVES GM 1 CARBURETOR GM 2 HAND CHOKE GM 3 AIR CLEANER GM 4 FUEL PUMP FILTERS GM G DIESEL ENGINE INJECTORS GM 7 TURBO CHARGERS BLOWERS AND SUPER CHARGERS GM 8 FUEL LINES GM 9 FUEL FILTER AND PIPES GMIO AIR INLET HOUSING GMIOC OVERSPEED GOVERNOR GN THROTTLE CONTROL GN 1 THROTTLE CONTROL FOR HAND OPERATION GN 2 THROTTLE CONTROL FOR ACCELERATOR PEDAL GN 3 INJECTOR CONTROLS GN 4 SPEED CONTROL AND SPEED CONTROL GOVERNOR GO ENGINE TO FRAME MOUNTINGS ENGINE MOUNT TRANSMISSION MOUNT GT AIR COMPRESSOR AND AIR INJECTION PUMP PUMP COMPRESSOR HOSE VALVES FILTER GT 1 VACUUM PUMPS GX 4 ACCESSORY DRIVE GY ENGINE ELECTRICAL SYSTEM GY 1 GENERATOR VOLTAGE REGULATOR GY 2 ELECTRICAL STARTING MOTORS GY 2A STARTING MOTOR CONTROL GY 2B AIR STARTING MOTORS GY 2C PREHEAT FOR COLD STARTING GY 3 DISTRIBUTOR GY 4 SPARK PLUGS IGNITION COIL WIRE SWITCH IGNITION SWITCH 7 TRANSMISSION CLUTCH AND CONTROLS 7A TRANSMISSION EXTERNAL CONTROLS 7B I TRANSMISSION 7B IB CLUTCH CONTROL 7B 1E LUBRICANT 7B 3 TOROUE CONVERTER TYPE TRANSMISSION 7B G OIL COOLING SYSTEM 7D AUXILIARY TRANSMISSION 7E TRANSFER CASE AND CONTROLS 1987 GENERAL MOTORS SERVICE PARTS OPERATIONS M SB UPC 4