I l l B3 4 1977 A B C X 350R 403M V8 AIR CLEANER EMISSION PARTS 1 AIR CLEANER ASM Carb 3 402 28 HOSE Fuel Vapor Canister 8 962 ELEMENT Inside of A CI 3 410 29 CLIP Canister 3 145 I 2 RETAINER Vac Switch 3 415 30 SCREW Tap 1 4 14 x 1 2 8 977 3 SWITCH Thermo Vac 3 755 31 CANISTER Vapor 3 130 4 GROMMET Vent Pipe to Air Clnr 1 745 32 LINK A I R Pump 3 655 I 5 GROMMET Part of Item 4 N S 33 BRACKET A l R Pump 3 655 6 GASKET Air Cleaner 3 403 34 WASHER Flat 3 B 8 929 I 7 STUD Air Cleaner 3 403 35 WASHER Lock 3 8 8 931 8 MOTOR PKG Vac 3 415 36 BOLT Hex 3 8 16 x 1 8 900 I 9 PIPE Vent 1 762 37 NUT Hex 5 16 18 8 915 10 ELBOW Vent Pipe to Fil Asm 1 745 38 BOLT Hex 3 8 16 x 3 4 8 900 11 FILTER Vent PCV 1 745 39 BOLT Hex 3 8 16 x 4 3 4 8 900 12 GROMMET Filter to Cvr 1 745 40 BRACKET A F l Pump 3 655 13 PIPE Hot Air 3 417 41 STRUT A I R Pump Brkt 3 655 I 14 CLAMP Hot Air Pipe 1 166 42 NUT Hex 3 8 16 8 915 15 HOSE Air Induction 3 675 43 BOLT Hex 1 4 2O x 1 2 8 900 16 RETAINER Push ln Nylon N S 44 PULLEY AIR Pump 3 650 I 17 SCREW Tap 1 4 14 x 3 4 8 977 45 CLAMP Hose 1 166 18 SCREW Tap 1 4 14 x 5 8 8 977 46 PUMP AIR 3 660 I 19 DUCT Air 3 417 47 GASKET Div Valve 3 680 20 NUT U Shape 1 4 14 8 921 48 VALVE Air Diverter AIR 3 670 21 BRACKET Air Duct to Upr Rad Supt 3 417 49 HOSE Air Pump l5 Lg 3 675 22 DUCT Air Induction 3 417 50 HOSE Air Pump 2G Lg 3 675 23 NUT U Shape 1 4 14 8 921 51 NUT Wing 8 920 24 GROMMET Air Intake Duct 3 417 52 CONNECTOR Vac Hose 3 27E 25 DUCT Air Intake Lwr 3 417 53 SCREW Hex Mach 3 670 26 CLIP Hose Ret N S 54 STRUT Adj Link 3 655 27 STRAP Hose Ret 2 559 55 SCREW Tap 5 16 18 x 3 4 8 977 I this is ageneral illustration of 350 1 403lVl V8 engine emission components Some of these parts are not common to all models but are illustrated for identification purposes For current model applic ation and part number please refer to Parts Catalog 4 1 l l 1 Gl I PARTS DIVISION GENERAL MOTORS CORPORATION BUICK 41A 9 80 3 41 3 000 GROUP