Parts list: № Number Qty Name Options 1 DE31156 1 Gear Case Next page: ST867468 Engine Gear Case Differential, Tier 2 and Stage 5 (4 of 4) ST867511 Engine Gear Case Filter, 6.8 L Tier 2 ST867467 Engine Gear Case Differential, Tier 2 and Stage 5 (3 of 4) ST867438 Engine Gear Case Filter, Tier 2 and Stage 5 ST867426 Engine Gear Case Clutch, Tier 2 and Stage 5 ST867520 Engine Gear Case Differential, 6.8 L Tier 2 (4 of 4) ST821263 Primary Countershaft U-Joint and Driveshaft ST823074 Torsional Damper ST867512 Engine Gear Case Differential, 6.8 L Tier 2 (1 of 4) ST940432 Electro-Magnetic Header Clutch and Primary Countershaft