GM CHEVROLET I 48 49 50 51 1 2 41 46 4 45 5 44 a3 41 41 y 40 12 11 i U Cr 13 19 t 14 38 15 r I 16 3l 7 r 11 36 I 18 34 2 21 32 a 23 24 O 31 25 30 29 Q8 21 26 BLOCK 230 ENGINE TYPICAL Key Description Group Key Description Group 1 Piston and Pin Assembly 0 629 26 Bolt Standard Stock a 78xr e 8 900 2 Bearing Unit Connecting Rod 0 616 27 Screen Assembly Oil Pump Suction 1 656 3 Control Distributor Vacuum 2 410 28 Pan Oil 1 426 4 Nut Connecting Rod Bolt 0 626 29 Gasket Oil Pan Drain Plug 1 456 5 Bolt Standard Stock 5 6 18x1 8 900 30 Screw Oil Pan Drain 1 453 6 Bolt Standard Stock 1f6 18x11 2 8 900 31 Bolt and Lockwasher Oil Pan 1 428 7 Pump Assembly Water 1 069 32 Gasket Unit Oil Pan 1 429 8 Gasket Water Pump 1 079 33 Bolt Crankshaft Bearing Cap 0 056 9 Bolt Lock Washer and Seal Assy Push Rod Cover 0 443 34 Cap Crankshaft Bearing 7 Location 0 105 10 Bearing Camshaft 1 and 4 Locations 0 543 35 Seal Crankshaft Rear Bearing Oil 0 137 11 Bearing Camshaft 2 and 3 locations 0 546 36 Bearing Unit Crankshaft 7 Location 0 096 12 Bearing Camshaft Thrust 0 533 37 Flywheel Assembly 0 666 13 Bolt Standard Stock 1 4 20x3 4 8 900 38 Bolt Flywheel 0 669 14 Gear or Sprocket Camshaft 0 736 39 Camshaft Assembly 0 519 15 Key Wood rufF Standard Stock 8 960 40 Cover Push Rod 0 439 16 Gear or Sprocket Crankshaft 0 728 41 Plug Camshaft Rear Bearing 0 553 17 Balancer Assembly Harmonic 0 659 42 Plug Standard Stock 8 971 18 Crankshaft Assembly 0 646 43 Gasket Push Rod Cover 0 443 19 Bearing Unit Crankshaft 1 2 3 4 5 6 Locations 0 096 44 Block Assembly Cylinder Complete or Fitted 0 033 20 Bolt Crankcase Front End Cover To Front Plate 45 Gasket Ignition Timer Distributor 2 363 Standard Stock 8 900 46 Lifter Assembly Hydraulic Valve 0 459 21 Cap Crankshaft Bearing 1 2 3 4 5 6 Locations 0 105 47 Clamp Ignition Timer Distributor 2 363 22 Pump Assembly Oil 1 652 48 Bolt Standard Stock 3A 16x 8 900 23 Cover Assembly Crankcase Front End 0 206 49 Distributor Ignition Timer 2 361 24 Seal Assembly Crankcase Front End Cover Oil 0 209 50 Rod Assembly Connecting 0 603 25 Gasket Crankcase Front End Cover 0 207 51 Ring Unit Piston 0 643