• 21.21.1 Basic information28
• 21.21.11 Control unit/relay9
• 21.21.12 Sensor/switch/wiring harness17
• 21.21.13 Line/hose/valve18
• 21.21.30 Housing/cap/shaft/retarder56
• 21.21.31 Control block1
• 21.21.35 Heat exchanger/cooling20