Details
- Colour
- 7
- Material
- 33
- Inner Diameter 1 [mm]
- 33 mm
- Inner Diameter 2 [mm]
- 32 mm
Compare 2 brands — check fitment and order online
OE part number 4B0121101N is a Radiator Hose compatible with AUDI, SKODA and other makes. Available from 2 brands, priced from £17.99. Every cross-reference listed below matches the same OE specification used by the vehicle manufacturer.
Radiator Hose OE 4B0121101N prices range from £17.99 to £49.99, with 2 brands offering compatible parts.
Original installation position for OE 4B0121101N. The red ring marks where this part installs on the vehicle.

OEM workshop diagram — sourced from manufacturer parts catalogue.
OE 4B0121101N is compatible with the following make/model combinations:
| Make | Models |
|---|---|
| AUDI | A6 C5 (4B2, 4B4), A6 C5 Avant (4B5, 4B6), A6 C4 (4A2), A6 C4 Avant (4A5) |
| VW | PASSAT B5.5 (3B3), PASSAT B5.5 Variant (3B6), PASSAT B5 (3B2) |
| SKODA | SUPERB I (3U4) |
Choose a brand to see their compatible parts for OE 4B0121101N.
Products matched to OE number 4B0121101N.
| 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 4B0121101N 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 4B0121101N.