Parts list: № Number Qty Name Options 1 DE31156 1 Gear Case Next page: ST867500 Engine Gear Case Valve, 6.8 L Tier 2 ST940429 Electro-Magnetic Header Clutch and Primary Countershaft ST867498 Engine Gear Case Clutch, 6.8 L Tier 2 ST824135 Power Take-Off Gearcase, ProDrive™ (1 of 8) ST824153 Engine Gear Case, Tier 2 and Stage 5 ST867513 Engine Gear Case Differential, 6.8 L Tier 2 (2 of 4) ST867438 Engine Gear Case Filter, Tier 2 and Stage 5 ST867517 Engine Gear Case Differential, 6.8 L Tier 2 (3 of 4) ST867520 Engine Gear Case Differential, 6.8 L Tier 2 (4 of 4) ST867512 Engine Gear Case Differential, 6.8 L Tier 2 (1 of 4)