Details
- Colour
- 7
- Material
- 33
- Inner Diameter 1 [mm]
- 30 mm
- Inner Diameter 2 [mm]
- 32 mm
Compare 2 brands — check fitment and order online
OE part number 8E0121055E is a Radiator Hose used by AUDI. We have 2 compatible replacement parts from GATES, vika.
Original installation position for OE 8E0121055E. The red ring marks where this part installs on the vehicle.

OEM workshop diagram — sourced from manufacturer parts catalogue.
OE 8E0121055E is compatible with the following make/model combinations:
| Make | Models |
|---|---|
| AUDI | A4 B6 (8E2), A4 B6 Avant (8E5), A4 B6 Convertible (8H7), A4 B7 (8EC) +1 |
Choose a brand to see their compatible parts for OE 8E0121055E.
Products matched to OE number 8E0121055E.
| Attribute | Value |
|---|---|
| Inner Diameter 2 [mm] | 34 |
| Hose Length [mm] | 280 |
| Hose Length [mm] | 325 |
| Cooling Hose | from coolant regulator housing to water pipe |
| Inner Diameter 1 [mm] | 8 |
| Length [mm] | 650 |
| Weight [g] | 500 |
| Charge Type | 1 |
| Hose Length [mm] | 540 |
| Inner Diameter 1 [mm] | 10 |
Common original equipment numbers linked to stocked alternatives.
OE (Original Equipment) number 8E0121055E is a manufacturer's reference code for Radiator Hose used to identify the exact specification of a part fitted during vehicle production. By cross-referencing this OE number, you can find 2 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 8E0121055E.