Parts list: № Number Qty Name Options 1 19M7837 3 Screw M12 X 110 2 DE30205 1 Crankcase 3 19M8306 5 Screw M12 X 50 4 25M3827 2 Groove Pin 3 X 8 mm 5 CE20769 1 Pinion Z = 30 6 CE21337 1 Pinion Z = 33 7 RE274175 4 Ball Bearing 8 CE30400 1 Housing Next page: ST823545 Primary Countershaft Drive (1 of 3) ST870565 Engine Platform Decals, Tier 2 (795001 - ) ST823536 Primary Countershaft Drive (2 of 3) ST975201 Air Compressor Install Kit, Final Tier 4, Attachment, 1 of 2 ST837485 Power Takeoff Lubrication Pump W/ 5 Speed Variant, Tier 2 / Tier 3 ST389565 Torsional Damper ST823542 Primary Countershaft Drive (3 of 3) ST837417 Vacuum Fan Drive