Compare 2 brands — check fitment and order online
OE part number 8P0121057E is a Radiator Hose compatible with AUDI, SEAT and other makes. Available from 2 brands, priced from £2.99. Every cross-reference listed below matches the same OE specification used by the vehicle manufacturer.
Radiator Hose OE 8P0121057E prices range from £2.99 to £14.99, with 2 brands offering compatible parts.
Original installation position for OE 8P0121057E. The red ring marks where this part installs on the vehicle.

OEM workshop diagram — sourced from manufacturer parts catalogue.
OE 8P0121057E is compatible with the following make/model combinations:
| Make | Models |
|---|---|
| SKODA | OCTAVIA II (1Z3), OCTAVIA II Combi (1Z5) |
| VW | GOLF VI Variant (AJ5), GOLF PLUS V (5M1, 521), GOLF V (1K1), JETTA III (1K2) |
| AUDI | A3 (8P1), A3 Sportback (8PA) |
| SEAT | ALTEA (5P1), TOLEDO III (5P2) |
Choose a brand to see their compatible parts for OE 8P0121057E.
Products matched to OE number 8P0121057E.
| 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 8P0121057E 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 8P0121057E.