Compare 11 brands — check fitment and order online
OE part number 77403 is a Alternator Regulator compatible with ALFA ROMEO, ALPINA and other makes. Available from 11 brands, priced from £56.99. Every cross-reference listed below matches the same OE specification used by the vehicle manufacturer.
OE 77403 is compatible with the following make/model combinations:
| Make | Models |
|---|---|
| ALFA ROMEO | 156 Sportwagon (932), 156 (932), 147 (937), GIULIETTA (940) |
| MERCEDES-BENZ | 124 Saloon (W124) |
| OPEL | INSIGNIA A (G09), INSIGNIA A Sports Tourer (G09), INSIGNIA A Saloon (G09) |
| FIAT | MAREA (185), MAREA Weekend (185) |
Choose a brand to see their compatible parts for OE 77403.
Products matched to OE number 77403.
| Attribute | Value |
|---|---|
| Inner Diameter 1 [mm] | 35 |
| Outer Diameter [mm] | 46 |
| Height [mm] | 16 |
| Outer Diameter [mm] | 160 |
| Outer Diameter [mm] | 111 |
| Inner Diameter [mm] | 78 |
| Inner Diameter [mm] | 91 |
| Inner Diameter [mm] | 120 |
| Inner Diameter [mm] | 44 |
| Radial Shaft Seal Design | B SL |
Common original equipment numbers linked to stocked alternatives.
OE (Original Equipment) number 77403 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 11 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 77403.