057103495C / 04741769 / 4863796 Oil Separator Membrane for Audi Jeep Chrysler
The 057103495C / 04741769 / 4863796 oil separator membrane is a replacement crankcase ventilation diaphragm for selected Audi, Jeep and Chrysler applications. This 72 mm membrane is designed to restore the function of the existing oil separator unit without replacing the complete assembly.
This product is a membrane / diaphragm only. It is intended to repair the existing crankcase ventilation system inside the oil separator and should not be treated as a repair kit or a complete oil separator assembly.
OEM / Reference Numbers
Primary OEM: 057103495C, 04741769, 4863796
Related / Reference Numbers:
- 077103245C
- 078103245E
- 077103245B
- 057103495A
- 057103495D
- 53031249AA
Part Type
- Oil separator membrane
- Crankcase ventilation diaphragm
- PCV membrane
- Oil separator diaphragm
What This Part Does
This membrane works inside the crankcase ventilation and oil separator system. When the original diaphragm becomes brittle, torn or loses sealing ability, the system may no longer regulate pressure correctly. Replacing the membrane helps restore the function of the existing oil separator unit in a targeted and cost-effective way.
Compatible Vehicles
- Audi A6 / A6 Avant 2002–2008
- Audi A8 / S8 quattro 2002–2010
- Jeep Grand Cherokee 2005–2010
- Chrysler 300C 2005–2012
Please verify OEM number, vehicle model, production year and oil separator design before ordering.
Engine / Engine Family / Technical Detail
- Engine codes: BGJ, BFM, BHT, BKL, BPK, BUX, BKH
- Membrane diameter: 72 mm
- Part format: membrane / diaphragm only
Common Symptoms of Failure
- Crankcase ventilation pressure imbalance
- Oil leak symptoms related to a failed diaphragm
- Whistling noise from the oil separator area
- Need to repair the existing oil separator unit instead of replacing the complete assembly
Why Choose This Replacement
- Targets exact OEM search intent for 057103495C, 04741769 and 4863796
- Supports repair of the existing oil separator unit
- Cost-effective alternative to replacing the complete assembly
- Designed for the correct 72 mm membrane repair type
Important Before Ordering
- Verify OEM 057103495C, 04741769 or 4863796 against your original part
- Check related reference numbers where applicable
- Confirm your vehicle model, engine code and oil separator design before ordering
- Make sure you need the membrane only, not a repair kit or complete oil separator assembly
What does 057103495C / 04741769 / 4863796 fit?
This oil separator membrane is listed for Audi A6 / A6 Avant, Audi A8 / S8 quattro, Jeep Grand Cherokee and Chrysler 300C applications within the specified year ranges.
Is 53031249AA the same type of part as 04741769?
Yes. 53031249AA is a related OEM reference within the same oil separator membrane family as 057103495C, 04741769 and 4863796.
What does this oil separator membrane do?
It helps the crankcase ventilation system regulate pressure inside the existing oil separator unit. A damaged diaphragm can reduce sealing quality and affect normal PCV operation.
What symptoms can indicate diaphragm failure?
Typical signs can include crankcase ventilation pressure imbalance, oil leak symptoms, whistling noise from the oil separator area, or the need to repair the existing unit instead of replacing the complete assembly.
Is this a complete oil separator assembly or membrane only?
This product is a membrane / diaphragm only. It is intended to repair the existing oil separator unit rather than replace the complete assembly.
How do I confirm compatibility before ordering?
Match OEM 057103495C, 04741769 or 4863796 with your original part, compare any related reference number if needed, and verify your vehicle model, year, engine code and oil separator design before ordering.
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