PRE-RELEASE
Engine number
| Engine number |
Explanation of engine number, e.g. Z18XE20AZ1234
| Z | Pos 1. Emission requirements | X: EC96 Y: EC2000 Z: EC2005 (EURO 4) A: EC200X (EURO 5) |
| 18 | Pos 2-3. Engine size, rounded displacement in dm 3 multiplied by 10 | 18 = 1.796 dm 3 |
| X | Pos 4. Compression classification | S: 9.5:1 - 10.0:1 X: 10.0:1 - 11.5:1 Y: 11.5:1 and higher |
| E | Pos 5. Fuel system | E: Injection D: Diesel |
| 20 | Pos 6-7, Factory of manufacture | 01: Opel, Ruesselsheim 20: GM, Hungary |
| AZ1234 | Pos 8-13, serial number comprising two letters excluding I, O and Q, plus four numbers | Ex: AZ1234 |
