GM cHEv eMc mucx PARTS CATALOGUE 12 CUBIC FOOT AIR COMPRESSOR HEAVY DUTY Key Description Group Key Description Group I NUT Air Compressor Discharge Valve Cap 4 864 3I BLOCK Air Compressor Cylinder 4 4 852 2 SPRING Air Compressor Discharge Valve r 4 864 32 PLUG Hexagon Head 3 a T6 r 8 97T 3 BOLT Hexagon Head EAS T8 x 2T 2 8 900 33 GASKET Air Compressor Air Cleaner Base Plate 4 868 4 VALVE Air Compressor r 4 864 34 COMPRESSOR Air Brake Case 4 852 5 HEAD Air Compressor Cylinder 4 852 35 BEARING Air Compressor Connecting Rod 4 858 6 GASKET Air Compressor Air Cleaner 4 868 36 ROD Air Compressor C0nnecting Inc Cap and 7 SEAL Air C0mpresS r Dr Charg8 Valve llnlv 4 4 864 Bearing Insert 4 858 8 GASKET Air C0mpressOr Be w n Cleaner 37 WASHER Air Compressor Connecting Rod Bolt 4 858 and Compressor 4 868 38 BOLT Air Compressor Connecting Rod 4 858 9 RING SET Air Compressor Piston 4 856 39 GASKET Air Compressor Case Flange 4 864 TO PISTON AND PIN Air Compressor 4 856 40 COVER Air Compressor Crankshaft End Rear 4 862 TT RING SET Air Compressor Piston 4 856 4T BEARING Air Compressor Crankshaft Rear 4 860 I2 WIRE Air Compressor Piston Pin Locking 4 856 42 WASHER Air Compressor Crankshaft Thrust 4 860 T3 ROD Air Compressor Connecting 4 858 43 GASKET Air Compressor Crankshaft End Cover 4 864 T4 BEARING Air Compressor Connecting Rod 4 858 44 STUD Air Compressor Cylinder Block To Cylinder Head 4 852 T5 PIN Air Compressor Piston 4 856 45 CRANKSHAFT Air Compressor 4 860 I6 VALVE Air Compressor nlet 4 864 46 BEARING Air Compressor Crankshaft Front 4 860 T7 INSERT Air Compressor Inlet Valve Spring 4 864 47 GASKET Air Compressor Crankshaft End Cover 4 864 T8 SPRING Air Compressor InIet Valve 4 864 48 COVER Air Compressor Crankshaft End Front 4 862 T9 SEAT Air Compressor Un oader Spring 4 864 49 SEAL Air Compressor Crankshaft OiI Front End Cover 4 864 20 GUIDE Air Compressor Un oading Plunger 4 864 50 NUT Air Compressor Crankshaft 4 852 2l SPRING Air Compressor Unloader Valve 4 864 5T GASKET Air Compressor Cylinder Head 4 868 22 VALVE Air Compressor nIet 4 864 52 CLEANER Air Compressor Air 4 865 23 RETAINER Air Compressor Unloading Spring 4 864 53 COVER Air Compressor Air Cleaner 4 865 24 GUIDE Air Compressor Un oading Plunger 4 864 54 BAFFLE Air Compressor Air Cleaner 4 865 25 PLUNGER Air Compressor Unloading 4 864 55 ELEMENT Air Compressor Air Cleaner Filter 4 865 26 PISTON Air Compressor UnIoading nc Grommet 56 BODY Air Compressor Air Cleaner NTBP 4 865 and Ring 4 864 57 BAFFLE Air Compressor Arr Cleaner Iylllynn 4 865 27 BOI Hexagon Head 3 B I6X 8900 58 GASKET Air Compressor Air Cleaner Base Plate 4 868 28 LOCK WASHER 8 93I 59 PLATE Air Compressor Air Cleaner Base H I III r P yvVV 4 865 29 GOVERNOR Air Brake Compressor 4 870 60 SCREW Air Compressor Air C an r BaS Plate and 30 GASKET Air Compressor Governor 4 868 Cover To Body 4 865 GROUP 4 500 BRAKE CONTROL ILLUSTRATION 23