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OE part number 06B121065AA is a Coolant Pipe compatible with AUDI, VW and other makes. Available from 2 brands, priced from £18.99. Every cross-reference listed below matches the same OE specification used by the vehicle manufacturer.
Coolant Pipe OE 06B121065AA prices range from £18.99 to £39.99, with 2 brands offering compatible parts.
Original installation position for OE 06B121065AA. The red ring marks where this part installs on the vehicle.

OEM workshop diagram — sourced from manufacturer parts catalogue.
OE 06B121065AA is compatible with the following make/model combinations:
| Make | Models |
|---|---|
| AUDI | A4 B6 (8E2), A4 B6 Avant (8E5), A4 B7 (8EC), A4 B7 Avant (8ED) +3 |
| VW | PASSAT B5.5 (3B3), PASSAT B5.5 Variant (3B6) |
Choose a brand to see their compatible parts for OE 06B121065AA.
Products matched to OE number 06B121065AA.
| 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 06B121065AA 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 06B121065AA.