Compare 13 brands — check fitment and order online
OE part number 03G145209C is a Braking system vacuum pump compatible with AUDI, CHRYSLER and other makes. Available from 13 brands, priced from £45.99. Every cross-reference listed below matches the same OE specification used by the vehicle manufacturer.
Braking system vacuum pump OE 03G145209C prices range from £45.99 to £288.99, with 13 brands offering compatible parts.
Original installation position for OE 03G145209C. The red ring marks where this part installs on the vehicle.

OEM workshop diagram — sourced from manufacturer parts catalogue.
OE 03G145209C is compatible with the following make/model combinations:
| Make | Models |
|---|---|
| AUDI | A4 B7 Avant (8ED), A4 B7 (8EC), A3 (8P1), A3 Sportback (8PA) |
| VW | PASSAT B6 Variant (3C5), PASSAT B6 (3C2), GOLF V (1K1) |
| SEAT | ALTEA XL (5P5, 5P8), ALTEA (5P1) |
| SKODA | OCTAVIA II Combi (1Z5) |
Choose a brand to see their compatible parts for OE 03G145209C.
Products matched to OE number 03G145209C.

| Attribute | Value |
|---|---|
| for OE number | 55226403 |
| Height [mm] | 110 |
| Length [mm] | 165 |
| Number of mounting bores | 6 |
| Quantity | 1 |
| Supplementary Article/Supplementary Info | 99 |
| Supplementary Article/Supplementary Info | 35 |
| Diameter [mm] | 8 |
| for OE number | 074145101A |
| Height [mm] | 100 |
Common original equipment numbers linked to stocked alternatives.
OE (Original Equipment) number 03G145209C is a manufacturer's reference code for Braking system vacuum pump used to identify the exact specification of a part fitted during vehicle production. By cross-referencing this OE number, you can find 13 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 03G145209C.