Details
- Height [mm]
- 55,4 mm
- Cylinder Bore [mm]
- 86 mm
- Bolt Head Diameter [mm]
- 21 mm
- Component Number
- 08-306800-00
Compare 1 brand — check fitment and order online
OE part number 90509612 is a Piston compatible with CATERHAM, CHEVROLET and other makes. Available from 1 brands, priced from £65.99. Every cross-reference listed below matches the same OE specification used by the vehicle manufacturer.
Original installation position for OE 90509612. The red ring marks where this part installs on the vehicle.

OEM workshop diagram — sourced from manufacturer parts catalogue.
OE 90509612 is compatible with the following make/model combinations:
| Make | Models |
|---|---|
| OPEL | KADETT E Hatchback (T85), CALIBRA A (C89), KADETT E Convertible (T85), VECTRA A (J89) +1 |
| VAUXHALL | CAVALIER Mk III Saloon (J89), ASTRA Mk II Hatchback (T85), CALIBRA (C89), CAVALIER Mk III Hatchback (J89) |
| CATERHAM | SEVEN (CF, CS) |
Products matched to OE number 90509612.
| Attribute | Value |
|---|---|
| Component Number | 1. R 2.0 Cr |
| Compression Height [mm] | 24,7 |
| Compression Height [mm] | 41,55 |
| Compression Height [mm] | 45,3 |
| Cylinder Bore [mm] | 91,5 |
| Pin length [mm] | 59 |
| Bolt Head Diameter [mm] | 19 |
| Bolt Length [mm] | 45 |
| Compression Height [mm] | 29,2 |
| Cylinder Bore [mm] | 125 |
OE (Original Equipment) number 90509612 is a manufacturer's reference code for Piston 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 90509612.