Valve Cover PCV Oil Separator — Buick Cascada / Opel Astra K / Insignia B 1.6T | OEM 55596087 / 5607229 / 55590969
Replace the PCV Oil Separator Diaphragm on Your Buick or Opel 1.6T — Direct Replacement.
A failed PCV oil separator diaphragm on the Buick Cascada, Opel Astra K, and Insignia B 1.6T turbocharged engines causes oil consumption and crankcase fault codes. This direct replacement separator diaphragm restores correct crankcase ventilation.
Compatible Assemblies
55596087, 55569822, 5607229, 55590969 — A16SHT, A16XHT, B16SHL, B16SHT, B16DTE, D16DTH engines
Vehicle Compatibility
Buick Cascada (2015+), Opel Astra K (2015+), Opel Insignia B (2017+) — 1.6T petrol engine
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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