Compare 3 brands — check fitment and order online
OE part number 42539403 is a Brake caliper repair kit compatible with ALFA ROMEO, AUDI and other makes. Available from 3 brands, priced from £15.99. Every cross-reference listed below matches the same OE specification used by the vehicle manufacturer.
Brake caliper repair kit OE 42539403 prices range from £15.99 to £20.99, with 3 brands offering compatible parts.
Original installation position for OE 42539403. The red ring marks where this part installs on the vehicle.

OEM workshop diagram — sourced from manufacturer parts catalogue.
OE 42539403 is compatible with the following make/model combinations:
| Make | Models |
|---|---|
| AUDI | A6 C5 (4B2, 4B4), A6 C5 Avant (4B5, 4B6), A4 B6 (8E2) |
| SEAT | IBIZA IV SC (6J1, 6P5), IBIZA IV (6J5, 6P1), LEON ST (5F8), ALTEA XL (5P5, 5P8) |
| VW | GOLF IV (1J1), POLO V (6R1, 6C1) |
| ALFA ROMEO | 156 (932) |
Choose a brand to see their compatible parts for OE 42539403.
Products matched to OE number 42539403.
| Attribute | Value |
|---|---|
| Fitting Position | Rear Axle |
| for piston diameter [mm] | 40 |
| Brake System | Mobis |
| Version | Kit+Piston+GuidePins |
| Guarantee | 3 years guarantee |
| Number of Parts [parts] | 7 |
| Brake System | LUCAS |
| Brake System | NISSIN |
| Prekės ženklas | ATSAKINGAS SUBJEKTAS: GAMINTOJAS: Tourmax GHMparts 130-0022 Tokyo, Sumida City Japan info@tourmax.jp TOURMAX, Gamintojas: Tourmax GHMparts, 130-0022 Tokyo, Sumida City, Japan, info@tourmax.jp |
| Diameter [mm] | 45 |
Common original equipment numbers linked to stocked alternatives.
OE (Original Equipment) number 42539403 is a manufacturer's reference code for Brake caliper repair kit used to identify the exact specification of a part fitted during vehicle production. By cross-referencing this OE number, you can find 3 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 42539403.