GM3 1 1 I 1977 78 A B H X 231 V6 AIR CLEANER EMISSION PARTS 1 AIR CLEANER Carb 3 402 45 SCREW Tap 8 18x3 8 8 977 ELEMENT Inside of A CI 3 410 46 VALVE A I R By Pass 3 670 BREATHER Inside of A Cl 3 410 47 HOSE Div Valve Otlt RH 3 675 2 CLAMP Breather Tube Hose 1 166 48 HOSE Div Valve Otlt RH 3 675 3 TUBE Breather 1 762 49 PIPE Hot Air 3 417 4 HOSE Vacuum Cut as Req 8 962 50 CLAMP Air Pipe 1 166 5 STRAP Adj Plastic 2 559 51 VALVE E F E Vac Check 3 670 6 HOSE Pump to Adapter W A C 3 675 52 BOLT Hex 3 8x16x1 8 900 7 HOSE Pump to Adapter Less A C 3 675 53 BOLT Hex 3 8x1 6x3 3 4 N S 8 CLAMP A I R Hose 1 166 54 STUD A Cl 3 403 9 PIPE Tubing E F E Vac 8 964 55 VALVE E G R 3 670 10 NUT Spring 3 8x16 4 662 56 NUT Hex Mach 10 24 8 915 I 11 VALVE W Actuator E F E 3 140 57 SUPPORT Wiring Harness RH 2 277 12 STRAP Adj Plastic 2 559 58 GROMMET Valve Cvr 1 745 13 HOSE Fuel Vapor Canister Cut as 59 VALVE A I R Check 3 670 I Req 8 962 60 PIPE Manifold A I R 3 675 14 CANISTER Vapor 3 130 61 VALVE Air Inj By Pass 3 670 15 SUPPORT Canister X Series 3 130 62 NUT Hex 1 4x20 8 915 16 SUPPORT Canister H Series 3 130 63 WASHER Flat 1 4 8 929 17 BOLT Hex 5 16x18x1 5 8 8 900 64 TUBE Exhaust Q 3 680 18 BRACE Air Pump Mtg 3 655 65 SCREW Hex Hd Mach 3 670 19 BOLT Hex 3 8x16x3 4 8 900 66 BOLT Hex 1 4x14x3 8 8 900 20 BRACKET Strg Air Pump Mtg Rr 6 606 67 BRACKET By Pass Valve Mtg Exc 21 BOLT Hex 3 8x16x7 8 8 900 H 3 670 22 WASHER Flat 3 8 8 929 68 VALVE A I R Vac Diff 3 670 23 BRACE Air Pump Adj 3 655 69 BOLT Hex 3 8x16x3 4 8 900 24 BOLT Hex 3 8x16x4 3 8 N S 70 WASHER Flat 3 8 8 929 25 BOLT Hex 3 8x16x4 3 4 8 900 71 SWITCH E F E E G R 3 670 26 BOLT Hex 3 8x16x1 8 900 72 BOLT Hex 3 8x16x4 1 2 8 900 27 WASHER Flat 3 8 8 929 73 ADAPTER Air Pump Mtg Frt 3 655 28 PUMP A l R 3 660 74 NUT Hex 3 8x16 8 915 29 HOSE Pump By Pass Valve 3 675 75 REGULATOR Idle Vac 3 670 30 SCREW Tap 1 4x14x1 2 8 977 76 TEE Connector 3 680 31 HOSE Div Valve Otlt RH 3 675 77 ELBOW Hot Air Pipe 3 417 32 CLAMP Div Valve Hose 1 166 78 VALVE Spark Control Vac Check 33 STRAP Adj Plastic 3 417 Calif 2 408 34 HOSE Air Induction 3 675 79 HOSE By Pass to Ck Valve 1978 3 675 35 MOTOR Vacuum 3 415 80 VALVE Delay 1978 3 670 36 NUT Wing 8 920 81 GASKET Pump Exh Tube 3 680 37 VALVE Vac Delay 3 670 82 CLIP Canister I 3 145 38 REDUCER Carb to Switch 3 680 83 BOLT Hex 1 4x20x1 2 8 900 39 HOSE Div Valve Otlt LH 3 675 84 SCREW M4 2x1 41x10 8 977 40 CLIP E F E Vac Pipe 3 680 85 BRACE Gen Compressor H 2 317 41 HOSE Div Valve Otlt LH 3 675 86 ADAPTER Air Duct H 3 417 42 HOSE Vac 7 32 ID 8 962 87 DUCT Air Injection H 3 417 43 BRACKET Div Valve Mtg 3 670 DUCT Air Injection Exc H 3 417 44 BOLT Hex 1 4x14x1 3 8 8 900 89 BRACKET By Pass Valve Mtg H 3 670 NOTE This is a general illustration of 23 1 V6 engine emission components Some of these parts are not common to all models but are illustrated for identification purposes For current model application and part number please refer to Parts Catalog 1987 GENERAL MOTORS SERVICE PARTS OPERATIONS OLDSMOBlLE 31A T B 7 87 I 245 I 3 000 GROUP