Compare 23 brands — check fitment and order online
OE part number 078121113G is a Coolant thermostat compatible with AUDI, AUDI (FAW) and other makes. Available from 23 brands, priced from £3.99. Every cross-reference listed below matches the same OE specification used by the vehicle manufacturer.
Coolant thermostat OE 078121113G prices range from £3.99 to £39.99, with 23 brands offering compatible parts.
Original installation position for OE 078121113G. The red ring marks where this part installs on the vehicle.
OEM workshop diagram — sourced from manufacturer parts catalogue.
OE 078121113G is compatible with the following make/model combinations:
| Make | Models |
|---|---|
| AUDI | A6 C5 (4B2, 4B4), A6 C5 Avant (4B5, 4B6), A4 B5 (8D2), A4 B5 Avant (8D5) +2 |
| VW | PASSAT B5.5 Variant (3B6), PASSAT B5.5 (3B3), PASSAT B5 Variant (3B5), PASSAT B5 (3B2) |
Choose a brand to see their compatible parts for OE 078121113G.
Products matched to OE number 078121113G.
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Aftermarket manufacturers cross-reference matching water pump & timing belt kit to OE 078121113G — verify fitment before ordering.
| Attribute | Value |
|---|---|
| Height 1 [mm] | 26 |
| Diameter 1 [mm] | 67,0 |
| Height 1 [mm] | 25,5 |
| Housing Type | 30 |
| Quality | OE EQUIVALENT |
| Operating Mode | Electric |
| Supplementary Article/Supplementary Info | 19 |
| Housing material | 1 |
| Operating Mode | pneumatic |
| Diameter [mm] | 44 |
Common original equipment numbers linked to stocked alternatives.
OE (Original Equipment) number 078121113G is a manufacturer's reference code for Coolant thermostat used to identify the exact specification of a part fitted during vehicle production. By cross-referencing this OE number, you can find 23 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 078121113G.