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OE part number 12664831 is a Cylinder head gasket kit compatible with BUICK, BUICK (SGM) and other makes. Available from 1 brands, priced from £123.99. Every cross-reference listed below matches the same OE specification used by the vehicle manufacturer.
Original installation position for OE 12664831. The red ring marks where this part installs on the vehicle.

OEM workshop diagram — sourced from manufacturer parts catalogue.
OE 12664831 is compatible with the following make/model combinations:
| Make | Models |
|---|---|
| OPEL | ASTRA K (B16), ASTRA K Sports Tourer (B16), INSIGNIA B Grand Sport (Z18), INSIGNIA B Sports Tourer (Z18) |
| BUICK | ENCORE SUV |
| CHEVROLET | EQUINOX, CRUZE Saloon (J400), TRAX |
| CHEVROLET (SGM) | EQUINOX (CP8) |
| GMC | TERRAIN |
Products matched to OE number 12664831.
| Attribute | Value |
|---|---|
| Material | 10 |
| Supplementary Article/Supplementary Info | without camshaft seal |
| Cylinder Piston Diameter [mm] | 78 |
| Supplementary Article/Supplementary Info | 16 |
| Supplementary Article/Supplementary Info | 66 |
| Supplementary Article/Info 2 | with cylinder liner rings |
| Additionally required articles (article numbers) | 087.830 |
| Additionally required articles (article numbers) | WG1086202 |
| Alyvos karterio tarpinė: | Ne |
| Bore Diameter [mm] | 94,50 |
Common original equipment numbers linked to stocked alternatives.
OE (Original Equipment) number 12664831 is a manufacturer's reference code for Cylinder head gasket kit 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 12664831.