| Model | Part Number | Description |
| Servo 300/300A | 6038991 | SASD- pressure transducer |
| Servo 300/300A | 6039965 | gas module |
| Servo 300/300A | 6056472 | expiratory inlet moisture trap |
| Servo 300/300A | 6068196 | expiratory connection tube |
| Servo 300/300A | 6068295 | expiratory valve tube |
| Servo 300/300A | 6079979 | bacteria filter (50/pack) |
| Servo 300/300A | 6150929 | 3k hour maintenance kit |
| Servo 300/300A | 6169119 | expiratory outlet with non-return valve |
| Servo 300/300A | 6169176 | gas module, air (exchange) |
| Servo 300/300A | 9344185 | non-return valve w/valve disc 26.5mm |
| Servo 300/300A | 6079886E | expiratory channel complete w/flow transducer |
| Servo 300/300A | 6204296E | 1k hour maintenance kit |
| Servo 300/300A | 9004979 | O2 sensor (genuine) |
| Servo 300/300A | 9004979R | O2 sensor (replacement*) |
| Servo900A/B/C | 6395420 | flow transducer |
| Servo900A/B/C | 6605729 | adult Y piece |
| Servo900A/B/C | 6696678 | cup for water trap |
| Servo900A/B/C | 9004979 | O2 sensor (genuine) |
| Servo900A/B/C | 9004979R | O2 sensor (replacement*) |
| Servo900A/B/C | 9005141 | 1K hour maintenance kit |
| Servo900A/B/C | 9341090 | snap-in holder |
| Servo900A/B/C | 6343420E037E | silicone rubber connection piece |
| Servo900A/B/C | 6425581E037E | tube joint adult for FP humidifier |