- Voltage
- 12 V
- Manufacturer Restriction
- Bosch
- Plug Type ID
- L-CPU
- Operating voltage
- 14 V
£23.99
In stock
Original equipment number
Alternator Regulator, OE 078903803E. 12 compatible equivalents from 10 brands, 8 of them in stock. Prices from £23.99 to £54.99. Fits VW, AUDI, SEAT and 22 more makes.
WAI IB5225£23.99
MAGNETI MARELLI 940016026100£25.99
MOBILETRON VR-B296£23.99
Manufacturers list each of these parts against OE 078903803E. The cheapest ones in stock come first; the full list follows, sorted by price.
UK delivery £5.99, free over £50 · We also ship from the EU to 200 countries, with no customs charges within the EU — see prices and times
Your car
Choose your car and we will mark the parts that fit it.
In stock
In stock
In stock
In stock
In stock
In stock
In stock
In stock
All 12 equivalents for OE 078903803E: in stock with a photo first, then in stock, then the ones with a supplier price. The extra columns show only the specifications that differ between these parts.
| Brand | Number | Manufacturer Restriction | Voltage [V] | Operating voltage [V] | Price | Availability |
|---|---|---|---|---|---|---|
| MOBILETRON | VR-B296 | Bosch | 12 V | 14 V | £23.99 | In stock |
| WAI | IB5225 | — | 12 V | — | £23.99 | In stock |
| MAGNETI MARELLI | 940016026100 | — | — | — | £25.99 | In stock |
| WAI | IB5225HD | — | 12 V | — | £26.99 | In stock |
| VEMO | V10-77-1048 | BOSCH | — | — | £34.99 | In stock |
| AIC | 56204 | Bosch | — | 14,5 V | £35.99 | In stock |
| HÜCO | 130573 | OE BOSCH | 14,5 V | — | £41.99 | In stock |
| MAGNETI MARELLI | 940016022200 | — | — | — | £26.99 | In stock |
 LAUBER | CQ1010014 | BOSCH | 14 V | 14,5 V | £31.99 | Out of stock |
 TOPRAN | 109 919 | BOSCH | — | — | £39.99 | Out of stock |
 ASTEMO-HITACHI | 2500573 | OE BOSCH | 14,5 V | — | £41.99 | Out of stock |
 HELLA | 5DR 009 728-541 | Bosch | 12 V | 14,5 V | £54.99 | Out of stock |
OE 078903803E is compatible with the following make/model combinations:
Years show when the model was built (TecDoc). Fit depends on engine and body, so check your car before you buy. Articles that fit left-hand-drive vehicles only are left out of this UK list.
Original installation position for OE 078903803E. The red ring marks where this part installs on the vehicle.
OEM workshop diagram — sourced from manufacturer parts catalogue.
| Attribute | Value |
|---|---|
| Voltage [V] | 14,3 |
| Manufacturer Restriction | MARELLI |
| Voltage [V] | 12 |
| Manufacturer Restriction | Delco |
| Plotis [mm]: | 80 |
| Alternator Type | 92 |
| Packaging height [cm] | 7,8 |
| Packaging width [cm] | 5,5 |
| Weight [kg] | 0,14 |
| Charging Voltage [V] | 28,3 |
Other original equipment numbers linked to 078903803E. Each one leads to its own fitment and price page.
Only vehicle manufacturers' numbers are listed here. Other makers' equivalents are under “Compatible parts”.
Common original equipment numbers linked to replacement-part pages.