Parts list: № Number Qty Name Options 1 DE30945 1 Gear Case Next page: ST823074 Torsional Damper ST867517 Engine Gear Case Differential, 6.8 L Tier 2 (3 of 4) ST867512 Engine Gear Case Differential, 6.8 L Tier 2 (1 of 4) ST867468 Engine Gear Case Differential, Tier 2 and Stage 5 (4 of 4) ST823447 Electro-Magnetic Header Clutch and Primary Countershaft