The diaphragm regulates crankcase ventilation. Replace damaged PCV components when inspection confirms wear and the valve cover housing remains serviceable.
Compatible Applications
Opel Insignia B 2.0 CDTI F20DVH / B20DVH / LSQ
What Is Included
57 mm diaphragm, diaphragm cover and spring.
Part Numbers / PN
55513087, 55516459
Fitment Check
Compare the original part number, shape, dimensions and connection design before ordering. References may identify the surrounding assembly; this listing includes only the repair components described above. Different versions can be fitted to the same vehicle model.
FAQ
Does this include the complete assembly?
No. The supplied components are: 57 mm diaphragm, diaphragm cover and spring.
How do I choose the correct kit?
Match the references and physical design of the installed component. Check the application and kit contents before ordering.
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Orders ship within 1–2 business days.
Standard delivery:
- USA: Some items ship from our US warehouse and arrive within 3 business days.
- USA-EU: 10–21 business days
- Worldwide: 14–30 business days
Shipping cost is shown at checkout.
Can I exchange or return an item?
Yes, you can exchange or return an item within 14 days of purchase. This right is guaranteed to you by the Law on the Protection of Consumer Rights
To use this feature, please make sure that:
- the product was not in use and has no traces of use: scratches, chips, abrasions, etc.
- the goods are fully completed and the integrity of the packaging is not violated
- retained all labels and factory markings