N GMO 26 1979 81 DIESEL ENGINE PART I 1 BEARING Camshaft Front 0 539 49 KEY Crankshaft Sprocket 0 729 2 BOLT Hex 5 I6 18 x I 8 900 50 PIN Bearing Cap 0 293 3 GASKET Fuel Pump Mounting 3 904 51 ECCENTRIC Fuel Pump 3 935 4 PUMP ASM Fuel 3 900 52 GEAR lnlectlon Pump Drive 3 935 5 ENGINE Partial 0 033 53 SPROCKET Camshaft 0 736 6 TUBE Oil Filler 1 745 54 BAFFLE Oil Filler Tube 1 750 7 FILTER Oil 1 836 55 SPROCKET Crankshaft 0 728 8 CAP Oil Filler 1 758 56 CHAIN Timing 0 724 9 GASKET Filter to Block 1 844 57 WASHER Camshaft Sprocket 0 738 10 ADAPTER KIT Oil Filter 1 840 58 BOLT Camshaft Sprocket 0 738 I1 BOLT Hex 3 8 I8 x I 8 900 59 SLINGER Crankshaft Oil 0 648 I2 SWITCH Oil Pressure 1 800 60 BOLT Hex 5 16 1 B x I 8 900 I3 BEARING Fuel Injection Pump Driven 61 OUTLET ASM Water 1 153 Gear Rear 3 935 62 CLAMP Coolant Hose 1 166 I4 SHIM Pump Driven Gear 0800 Thru 63 HOSE By Pass 8 962 I 097 1150 3 935 64 GASKET Coolant Outlet 1 154 I5 RETAINER Ring I I 4 8 934 85 THERMOSTAT Coolant Temperature 1 248 18 SPRING Fuel Injection Pump Shaft 3 935 86 BOLT Bearing Cap 0 056 17 ADAPTER Pump to Cylinder Block 3 306 87 CAP Crankshaft Bearing Part of 5 N S 18 SEAL Adapter to Manifold 3 306 88 PIN Cotter 3 32 x 1 1 4 8 938 19 STUD Pump to Adapter Upper 3 901 89 SPRING Oil Pressure Relief 1 609 20 BOLT Hex 3 8 I6 x 3 1 Z 8 900 70 VALVE Oil Pump Relief 1 609 21 WASHER Adapter to Cylinder Block 3 90I 71 PIN Oil Pump to Bearing Cap I 4 x 22 STUD Pump to Adapter Lower 3 901 5 B 8 939 23 PLUG Camshaft Rear Bearing 0 553 72 SHAFT Oil Pump Drive Extension 1 639 24 PLUG Crossover Hole 3 8 18 8 971 73 BODY 0iI Pump 7 I 653 25 PLUG Oil Passage Rear Outer 0 034 74 SHAFT 0iI Pump Driven Gear I 639 26 RETAINER Piston Pin I 1 8 0 639 8 934 75 GEAR Oil Pump Driven I 639 27 PIN Piston N S 76 GASKET Oil Pump Cover 1 724 Z8 RING KIT Piston 0 643 77 COVER Oil Pump 1 723 Z9 PISTON Engine W Pin 0 629 78 BOLT Hex I 4 20 x 7 16 8 900 30 GAGE Oil Level 1 5I6 79 BOLT Hex 3 8 16 x 1 3 4 8 900 INDICATOR Oil level 1 5 6 80 SHAFT W Gear Oil Pump Drive 1 639 31 BOLT Connecting Rod 0 623 8I GASKET KIT Oil Pan 1 429 32 ROD ASM Piston Connecting 0 603 82 PAN Engine Oil 1 426 33 BEARING KIT Connecting Rod 0 616 83 PLUG 0il Pan Drain 8 971 1 453 34 PIN Flywheel Hsg 8 939 0 685 84 BOLT Oil Pan 1 428 35 GUIDE Oil Level Indicator I 516 85 PUMP Coolant 1 069 36 PIN Dowel 5 16 x 9 16 8 939 86 NIPPLE Heater Hose 8 866 37 PIN Engine Front Cover 0 219 87 HUB Water Pump Shaft Part of 85 N S 38 NUT Connecting Rod Bolt 0 826 88 BOLT Engine Front Cover 0 206 39 PLUG Oil Passage Front 0 034 89 SEAL Crankshaft Front Oil 0 213 40 BEARING Fuel Iniection Pump Driven 90 GASKET Enqine Front Cover 0 207 Gear Front 3 935 91 COVER Engine Front 0 206 41 GEAR lnlection Pump Driven 3 935 92 GASKET Water Pump Body 1 079 42 CAMSHAFT Engine 0 519 93 BOLT Hex 5 16 IS x 1 I Z 8 900 43 PIN Camshaft Sprocket 0 738 94 INDICATOR Timing 0 219 44 BOLT Hex 7 16 20 x 5 S 8 900 95 BOLT Hex 3 8 16 x 3 4 8 900 45 FLVWHEEL Engine 0 666 98 BOLT Cover Timing Indicator 3 8 46 PACKING Rear Main Bearing 0 137 16 x 15 I6 Stud 0 206 47 BEARING Engine Main 0 096 97 DAMPER Torsional 0 659 48 CRANKSHAFT Engine 0 648 98 WASHER Hub to Crankshaft 0 662 99 BOLT Hex 3 4 16 x 1 1 Z 8 900 avr WAREHOUSlNG AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORAT 0N LT TRUCK 52A 1 84 0 21 0 000 GROUP