Product Description
Engine oil separator/crankcase-ventilation component for specified Audi 4.0L V8 applications. Multiple superseding references are listed for compatibility identification.
Key Features
- Vehicle-specific oil-separator assembly
- Designed for compatible 4.0L V8 crankcase-ventilation systems
- References: 079 103 542 B, 079 103 542 D, 079 103 542 E, 079103542B, 079103542D, and 079103542E
- Replacement for a compatible failed or leaking separator after diagnosis
Fitment Note
- Audi A8 Quattro, S6, S7, and S8 4.0L: 2013–2018
- Audi RS7 4.0L: 2014–2018
Confirm VIN, engine code, production date, hose/port layout, mounting, and exact reference number before ordering.
Installation Note
Professional installation is recommended. Inspect connected breather hoses, seals, turbo inlet plumbing, oil leaks, and crankcase pressure; replace required gaskets and verify correct operation after warm-up.
Independent Reseller Notice
Parts Island is an independent reseller of this aftermarket product and is not affiliated with, sponsored by, or endorsed by Audi. References to Audi are used only to identify compatibility, application, or the design reference shown. The referenced names and related marks remain the property of their respective owners.