| S/N start | S/N end | Variant |
| 13099 | None | 1591596 |
| 15001 | None | 1591596 |
| 4496 | None | 1591596 |
| 8068 | None | 1591596 |
333.120.
Pre-heater
15185566, 17461280
`
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Parts on group Pre-heater:
| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| VOE22504361 | [1] | Starter element | ||
| 1. | VOE22504349 | [1] | Intermediate housing | |
| 2. | VOE21933653 | [1] | Heater | |
| 3. | VOE477268 | [4] | Insulating plate | |
| 4. | VOE477113 | [2] | Insulating plate | |
| 5. | VOE21980343 | [1] | Guide sleeve | |
| 6. | VOE21955036 | [1] | Stud | |
| 7. | VOE192288 | [2] | Washer | |
| 8. | VOE21980351 | [1] | Guide sleeve | |
| 9. | VOE996606 | [12] | Six point socket screw | |
| 10. | VOE191156 | [12] | Washer | |
| 11. | VOE20942283 | [0012] | Sleeve | |
| 12. | VOE944123 | [2] | O-ring | |
| 13. | VOE21982552 | [1] | Flange screw |