Details
- Opening Temperature [°C]
- 75 °C
- Housing Type
- 0
Compare 25 brands — check fitment and order online
OE part number 1K0121113A is a Coolant thermostat compatible with ALFA ROMEO, AUDI and other makes. Available from 25 brands, priced from £9.99. Every cross-reference listed below matches the same OE specification used by the vehicle manufacturer.
Coolant thermostat OE 1K0121113A prices range from £9.99 to £31.99, with 25 brands offering compatible parts.
Original installation position for OE 1K0121113A. The red ring marks where this part installs on the vehicle.

OEM workshop diagram — sourced from manufacturer parts catalogue.
OE 1K0121113A is compatible with the following make/model combinations:
| Make | Models |
|---|---|
| AUDI | A5 Sportback (F5A, F5F), A5 (F53, F5P), A4 B9 Avant (8W5, 8WD), A4 B9 (8W2, 8WC) |
| VW | TIGUAN (5N), JETTA III (1K2), CC B7 (358), GOLF PLUS V (5M1, 521) +1 |
| SEAT | ALHAMBRA (710, 711) |
Choose a brand to see their compatible parts for OE 1K0121113A.
Products matched to OE number 1K0121113A.
| 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 1K0121113A 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 25 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 1K0121113A.