9671271480 / 9670033180 Oil Separator Membrane 57mm for 2.0 HDi and TDCi
The 9671271480 / 9670033180 oil separator membrane is a 57mm replacement diaphragm for selected Peugeot, Citroen, Ford and Fiat vehicles with 2.0 HDi or TDCi engines. It helps restore the existing crankcase ventilation and oil separation unit.
This product includes the 57mm membrane only. It is not a complete oil separator, valve cover or PCV assembly.
OEM / Reference Numbers
- 9671271480 — primary OEM reference
- 9670033180 — primary OEM reference
- 1180T6 — related cross-reference
Part Type
- Oil separator membrane
- Crankcase ventilation diaphragm
- PCV membrane
- Membrane only — not a complete assembly
What This Part Does
The membrane helps regulate crankcase pressure and separate oil mist from crankcase gases before the gases return to the intake. Replacing a torn or hardened membrane can restore the existing separator housing.
Compatible Vehicles
- Peugeot 308, 407, 508, 3008 and 5008
- Citroen C5 and DS5
- Ford C-Max, Focus and Mondeo
- Fiat Bravo and Croma
Engine and Technical Details
- Engine type: 2.0 HDi / 2.0 TDCi
- Membrane diameter: 57mm
- System: crankcase ventilation and oil separation
- Component supplied: membrane only
Common Symptoms of Membrane Failure
- Increased oil consumption
- Oil mist in the intake system
- Incorrect crankcase pressure
- Crankcase ventilation faults
- A torn or hardened membrane
Why Choose This Replacement
- Targets OEM 9671271480 and 9670033180
- Includes a 57mm replacement membrane
- Supports repair of the existing separator
- Helps restore crankcase pressure regulation
Important Before Ordering
- Verify OEM 9671271480, 9670033180 or 1180T6.
- Confirm a 57mm original membrane.
- Check the 2.0 HDi or TDCi engine configuration.
- Compare the membrane and housing design.
Frequently Asked Questions
What does OEM 9671271480 fit?
It is listed for selected Peugeot, Citroen, Ford and Fiat 2.0 HDi or TDCi applications using the corresponding 57mm membrane.
Is 9670033180 the same type of reference as 9671271480?
Both are primary references for compatible oil separator applications using this membrane.
What is reference 1180T6?
1180T6 is a related cross-reference that should be checked together with the membrane diameter and housing design.
What does the oil separator membrane do?
It helps regulate crankcase pressure and separate oil mist from crankcase gases.
Is this a complete oil separator?
No. It is a 57mm replacement membrane only.
How do I confirm compatibility?
Check the OEM reference, 57mm diameter, engine type and original separator housing design.
Read All
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