• 21.21.1 Basic information76
• 21.21.11 Control unit/relay13
• 21.21.12 Sensor/switch/wiring harness11
• 21.21.13 Line/hose/valve12
• 21.21.30 Housing/cap/shaft/retarder65
• 21.21.31 Control block1
• 21.21.35 Heat exchanger/cooling5