51905083 – original Magneti Marelli control unit
Original, used Magneti Marelli control unit for an automated manual gearbox. The key numbers to compare are 51905083 and CFC30BF.06. Every unit is bench-tested before shipping.
When to suspect the gearbox control unit?
A control unit fault may be indicated by:
- no communication with the gearbox control unit in diagnostics,
- jerking when pulling away or changing gear,
- the gearbox goes into limp mode.
Similar symptoms can be caused by the clutch or gear-shift actuator, so a gearbox diagnosis before buying is worthwhile.
Which cars does 51905083 fit?
This is a control unit for Fiat group cars (Fiat numbering). We have not confirmed specific models for this number, so we do not list them. The label decides: numbers 51905083 and CFC30BF.06 must match your original unit. A different ending of the number means a different version.
Fitting
The control unit does not need programming. Compare the numbers with the label of your unit before ordering.
Markings of control unit 51905083
| Label | Number (different formats) |
| Fiat number | 51905083 |
| Control unit type | CFC30BF.06 / CFC30BF06 |
We list the numbers in several formats – the way they are printed on labels and typed into search engines.
Is your number different from 51905083?
Check similar control units in our range: 51869510, 51808084 / CFC328F.01, 51856403 / CFC328F.02, 55250921 / CFC328F.02, 51900169 / CFC328F.16. Remember that the number on the label decides.
Warranty and contact
The control unit comes with a warranty: 6 months. More control units: Fiat Transmission Control Units (TCU). Question about a number? Contact us.
Frequently asked questions about control unit 51905083
| Question |
Answer |
| How do I check whether the unit fits my car? |
Compare numbers 51905083 and CFC30BF.06 with the label of your unit – they must match, including the ending. |
| Why do you not list models for 51905083? |
Because they have not been confirmed for this number. It is a control unit for Fiat group cars (Fiat numbering) – choose it by the label numbers. |
| Does the control unit need programming? |
No, the control unit does not need programming. |
| Is this an automatic gearbox control unit? |
It controls an automated manual gearbox: a conventional gearbox with a clutch, where gear changes and the clutch are operated by electronically controlled actuators. It is not a torque-converter automatic. |