Compare 21 brands — check fitment and order online
OE part number 850001 is a Coolant temperature sensor compatible with ABARTH, ALFA ROMEO and other makes. Available from 21 brands, priced from £6.99. Every cross-reference listed below matches the same OE specification used by the vehicle manufacturer.
Coolant temperature sensor OE 850001 prices range from £6.99 to £24.99, with 21 brands offering compatible parts.
Original installation position for OE 850001. The red ring marks where this part installs on the vehicle.

OEM workshop diagram — sourced from manufacturer parts catalogue.
OE 850001 is compatible with the following make/model combinations:
| Make | Models |
|---|---|
| MERCEDES-BENZ | 124 Saloon (W124), 124 T-Model (S124), E-CLASS (W210), C-CLASS (W202) +6 |
Choose a brand to see their compatible parts for OE 850001.
Products matched to OE number 850001.
| Attribute | Value |
|---|---|
| Thread Size | M14 x 1.25 |
| Mounting Type | 12 |
| Voltage [V] | 5 |
| Number of connectors | 1 |
| Spanner Size | 0 |
| Thread Size | M12 x 1.5 |
| Width [mm] | 30 |
| Thread Size | 1/8" x 27 NPTF |
| Plug Type | Female |
| Colour Frontring | yellow |
Common original equipment numbers linked to stocked alternatives.
OE (Original Equipment) number 850001 is a manufacturer's reference code for Coolant temperature sensor used to identify the exact specification of a part fitted during vehicle production. By cross-referencing this OE number, you can find 21 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 850001.