Parts list: № Number Qty Name Options 1 DE31156 1 Gear Case Next page: ST867438 Engine Gear Case Filter, Tier 2 and Stage 5 ST867467 Engine Gear Case Differential, Tier 2 and Stage 5 (3 of 4) ST867512 Engine Gear Case Differential, 6.8 L Tier 2 (1 of 4) ST867513 Engine Gear Case Differential, 6.8 L Tier 2 (2 of 4) ST867520 Engine Gear Case Differential, 6.8 L Tier 2 (4 of 4) ST823447 Electro-Magnetic Header Clutch and Primary Countershaft ST823074 Torsional Damper ST821263 Primary Countershaft U-Joint and Driveshaft PICT-CSDV.1 CSDV Drives and Propulsion