GM3 81 1981 5 7 LITER V8 ENGINE EMISSION CONTROLS LF9 350N 1 AIR CLEANER Internal EGR 3 402 39 BRACE Resonator Support 3 417 2 STUD Air Cleaner Internal EGR 3 403 40 VALVE Vacuum Regulator 4 205 3 VALVE EGR Internal EGR 3 670 41 CONTROL Sensor 2 510 4 LOCK EGR Valve Bolt Internal EGR 3 680 SWITCH Glow Plug Control Exc 5 STUD Air Cleaner Exc Internal EGR 3 403 Fed CaIif B C E K 2 510 6 EXTENSION Air Cleaner Cadillac 3 417 42 VALVE W Actuator Exhaust Press 7 VALVE EGR i 3 670 Regulator 3 670 8 AIR CLEANER Exc Internal EGR 3 402 43 TUBING 3 16 8 964 9 GASKET Air Cleaner Silencer 3 403 44 CAP Oil Filler 1 758 10 CLAMP Air Cl Resonator Conn 3 403 45 BRACKET EGR Control Exc Internal 11 CONNECTOR Air Cl to Resonator 3 417 EGR 3 670 12 RESONATOR Air Cleaner 3 417 46 SWITCH EGR Valve Control W Calif 13 HOSE Resonator to Air Duct 3 417 Shown 3 670 14 DUCT Air Intake 3 417 SWITCH Exhaust Press Reg Valve 15 DIODE Diesel Eng Wiring Harness 2 525 Cont W Fed 3 670 16 RELAY Diesel Wait Lamp Control 2 510 VALVE EGR Vacuum Control Signal 3 670 17 BRACKET Diesel Relays 2 510 47 SWITCH EGR Vlv Vac Cont 3 670 18 ELBOW Vent Pipe to Filter Asm 1 745 48 CONNECTOR Trans Conv Clutch Vac 19 CONNECTOR Spl Y 5 32 x 5 32 Switch Wire 2 530 r x 7 64 D 3 145 CONNECTOR Trans Conv Clutch Vac 20 HOSE Vacuum 7 32 l D 8 962 Switch Wire 2 530 21 CONNECTOR Vac Tee M6 5 O D x WIRE Make from 18 Gauge M9 5 O D 3 670 49 SWITCH Trans Conv Clutch Low 22 VALVE Crankcase Pressure Regulator 1 609 Vacuum 4 115 23 HOSE Vacuum 3 8 l D 8 962 50 HARNESS Engine Wiring 2 525 24 PIPE Vent RH Exc Internal EGR 1 762 51 FITTING EGR Vacuum 3 680 25 BRACKET Vent Pipe Exc Internal TEE Vac Hose 3 16 x 3 16 x EGR 1 750 3 16 3 680 26 CONNECTOR Vent Pipes to Flow Cont CONNECTOR Straight 3 16 Ny on 2 420 Valve Exc Internal EGR 1 745 CONNECTOR EGR Valve Hose 5 Way 3 278 27 PIPE Vent LH Exc Internal EGR 1 762 CONNECTOR Vac Tee M6 5 x M9 5 3 670 28 VALVE Crankcase Vent 1 745 CONNECTOR EGR Valve Hose 3 680 29 CLAMP Vacuum Pump 2 363 3 280 CAP Carb Port 5 32 Rubber 3 278 30 PUMP Vacuum W Drive 3 280 HOSE Vacuum 31 BRACKET C Case Press Regulator 3 8 l D 5 32 I D 7 32 I D 8 962 Valve 1 609 52 BRACKET Fuel Pipe RH 3 162 32 TUBE C Case Vent LH W Internal 53 SWITCH Fast Idle Solenoid Cold EGR 1 762 Advance 3 440 33 FILTER Vent 1 745 54 BRACE Vent Pipe 1 750 34 PIPE EGR Valve Exc Internal EGR 3 675 55 TUBE C Case Vent RH W Internal 35 GROMMET Filter Asm to Valve Cover 1 745 EGR 1 762 36 FITTING EGR Adapter Pipe 3 680 56 HOSE Vacuum 3 4 l D 8 962 37 ADAPTER EGR Pipe Fitting Exc 57 PIPE Regulator to Air Crossover 1 762 Internal EGR 3 680 58 FITTING EGR Air Crossover Pipe 3 680 38 BRACKET Resonator Mounting 3 417 59 ELBOW Crossover Pipe to Connector 1 745 60 CROSSOVER Air 3 417 WAREHOUS NG AND DISTRIBUTION DIVISION OFGENERAL MOTORS CORPORATlON BUlCK 4lA REV 2 5 81 3 49 3 000 GROUP