Details
- Weight [kg]
- 0,15 kg
Compare 1 brand — check fitment and order online
OE part number 05L903803 is a Alternator Regulator compatible with AUDI, CUPRA and other makes. Available from 1 brands, priced from £43.99. Every cross-reference listed below matches the same OE specification used by the vehicle manufacturer.
Original installation position for OE 05L903803. The red ring marks where this part installs on the vehicle.

OEM workshop diagram — sourced from manufacturer parts catalogue.
OE 05L903803 is compatible with the following make/model combinations:
| Make | Models |
|---|---|
| AUDI | A3 Sportback (8YA, 8YF), A3 Limousine (8YS, 8YM), A3 Limousine (8VS, 8VM), A3 Sportback (8VA, 8VF) +1 |
| CUPRA | FORMENTOR (KM7, KMP) |
| VW | ARTEON (3H7, 3H8), ARTEON SHOOTING BRAKE (3H9), CADDY V Box Body/MPV (SBA, SBH), CADDY CALIFORNIA V Camper (SBB, SBJ) |
Products matched to OE number 05L903803.
| 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 |
Common original equipment numbers linked to stocked alternatives.
OE (Original Equipment) number 05L903803 is a manufacturer's reference code for Alternator Regulator used to identify the exact specification of a part fitted during vehicle production. By cross-referencing this OE number, you can find 1 compatible aftermarket brands that match the same specification — often at a lower price than the original. All parts listed above are verified to match OE 05L903803.