1. Engine Bay:
- Under the hood, on a metal tag attached to the engine.
- The tag might be near the oil dipstick or on the upper part of the engine.
- It may be visible or covered by a plastic cover or component.
2. Vehicle Documents:
- Check your vehicle registration, title, or other official documents.
- Some countries or states include the engine serial number on vehicle registration documents.
3. Service Records:
- If you have any maintenance or service records for your Peugeot 406, the engine serial number might be listed on those documents.
4. VIN Plate:
- The Vehicle Identification Number (VIN) plate, usually located on the dashboard, driver's side door jamb, or under the hood, may contain the engine serial number as part of the overall VIN sequence.
5. Engine Stamping:
- In some cases, the engine serial number may be stamped directly onto the engine block itself, usually in the area near the oil filter housing or cylinder head.
It's important to note that the exact location of the engine serial number may vary depending on the specific engine type and trim level of your Peugeot 406. If you're having difficulty finding the engine serial number, you may want to consult the owner's manual or reach out to a Peugeot dealership or service center for assistance.
