TIMING GEAR COVER AND FRONT OIL SEAL CODE 6220 CODE 7705 (AF, HF, TF) (WIDE GEAR TRAIN) 15 CRANKSHAFT, MAIN BEARINGS AND FLYWHEEL 6076 6076 (6076AF001, 6076TF001, 6076HF, 6076AFD) OEM Engines (ESN -499999)(Waterloo) PC2182 in ENGINE, OEM (SERIES 400 DIESEL) 7.6L