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OE part number 5N0121070B is a Coolant Pipe compatible with AUDI, SEAT and other makes. Available from 2 brands, priced from £55.99. Every cross-reference listed below matches the same OE specification used by the vehicle manufacturer.
Coolant Pipe OE 5N0121070B prices range from £55.99 to £100.99, with 2 brands offering compatible parts.
Original installation position for OE 5N0121070B. The red ring marks where this part installs on the vehicle.

OEM workshop diagram — sourced from manufacturer parts catalogue.
OE 5N0121070B is compatible with the following make/model combinations:
| Make | Models |
|---|---|
| VW | PASSAT B6 Variant (3C5), PASSAT B6 (3C2), CADDY III Box Body/MPV (2KA, 2KH, 2CA, 2CH), TIGUAN (5N) |
| SEAT | ALHAMBRA (710, 711) |
| SKODA | OCTAVIA III (5E3, NL3, NR3), OCTAVIA III Combi (5E5, 5E6), OCTAVIA II Combi (1Z5) |
| AUDI | A3 (8P1), Q3 (8UB, 8UG) |
Choose a brand to see their compatible parts for OE 5N0121070B.
Products matched to OE number 5N0121070B.
| Attribute | Value |
|---|---|
| Supplementary Article/Supplementary Info | 98 |
| Required quantity | 1 |
| Cooling Hose | from engine cooler to water pump |
| Fitting Position | Radiator |
| Number of inlets/outlets | 3 |
| Cooling Hose | from coolant regulator housing to engine cooler |
| Cooling Hose | from engine to oil cooler and water pump |
| Cooling Hose | from engine to water pipe |
| Cooling Hose | from thermostat to heat exchanger |
| Diameter 1 [mm] | 10 |
Common original equipment numbers linked to stocked alternatives.
OE (Original Equipment) number 5N0121070B is a manufacturer's reference code for Coolant Pipe 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 5N0121070B.