Details
- Goods tariff number
- 4016935050
Compare 1 brand — check fitment and order online
OE part number 12666900 is a Thermostat housing gasket compatible with BUICK, CHEVROLET and other makes. Available from 1 brands, priced from £4.99. Every cross-reference listed below matches the same OE specification used by the vehicle manufacturer.
Original installation position for OE 12666900. The red ring marks where this part installs on the vehicle.

OEM workshop diagram — sourced from manufacturer parts catalogue.
OE 12666900 is compatible with the following make/model combinations:
| Make | Models |
|---|---|
| OPEL | ASTRA K (B16), ASTRA K Sports Tourer (B16) |
| CHEVROLET | TRAILBLAZER |
| VAUXHALL | ASTRA Mk VII (K) (B16), ASTRA Mk VII (K) Estate (B16) |
| BUICK | ENCORE GX SUV (4T) |
Products matched to OE number 12666900.
| Attribute | Value |
|---|---|
| Length [mm] | 98 |
| PCN: | 40169300 |
| Shape | 8 |
| Length [mm] | 45 |
| Length [mm] | 55 |
| Length [mm] | 85 |
| Length [mm] | 87 |
| Packaging length [cm] | 20,3 |
| Packaging width [cm] | 12,7 |
| Thickness [mm] | 4,7 |
OE (Original Equipment) number 12666900 is a manufacturer's reference code for Thermostat housing gasket used to identify the exact specification of a part fitted during vehicle production. By cross-referencing this OE number, you can find 1 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 12666900.