Audi / Volkswagen Engine Breather / Vent Hose 077103221AN
OEM Part #: 077-103-221-AN (077103221AN)
This page covers one exact OEM part number. Every unit we stocked has sold.
We may be able to get another
Used OEM parts are one-of-a-kind. We sometimes get another when we dismantle a matching vehicle, but we can’t say when — browse what’s in stock now:
Other Vacuum / Crankcase Breather Hose / Line that may fit your vehicle
Crankcase Breather / Vent Hose
Crankcase Breather / Vent Hose
Engine Breather Hose / Vent Tube (UPPER)
Vacuum Hose / Line
Vacuum Hose / Line
Vacuum Hose / Line (UPPER)
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The ENGINE BREATHER / VENT HOSE, OEM part number 077103221AN, is a critical component for maintaining optimal engine performance by regulating crankcase pressure and redirecting harmful gases back into the intake system. This ensures efficient combustion and prolongs engine life in compatible models such as the 2004-2007 Audi A8 Quattro and the 2004-2006 Volkswagen Phaeton. Common issues associated with a worn or damaged breather hose include increased oil consumption, rough idling, and engine misfires. Replacement of this genuine part addresses these problems and enhances overall engine function. Trust in the authenticity of this factory-original part sourced directly from salvaged vehicles.
Specifications
| Fits Vehicle Model | A8, Phaeton |
| Fits Vehicle Make | Audi, Volkswagen |
| OEM Part No | 077-103-221-AN (077103221AN) |
| Category | Evap / EGR |
Compatible Vehicles
Fits 10 vehicle configurations across 2 makes, 2004-2007.
View all 10 vehicle configurations — 7 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2004 | Audi | A8 | Quattro L Sedan | 4.2L V8 | For Vehicles with Engine Code(s) BFM, BGK |
| 2005 | Audi | A8 | Quattro Sedan | 4.2L V8 | For Vehicles with Engine Code(s) BFM, BGK |
| 2005 | Audi | A8 | Quattro L Sedan | 4.2L V8 | For Vehicles with Engine Code(s) BFM, BGK |
| 2006 | Audi | A8 | Quattro Sedan | 4.2L V8 | For Vehicles with Engine Code(s) BFM, BGK |
| 2006 | Audi | A8 | Quattro L Sedan | 4.2L V8 | For Vehicles with Engine Code(s) BFM, BGK |
| 2007 | Audi | A8 | Quattro Sedan | 4.2L V8 | For Vehicles with Engine Code(s) BFM, BGK |
| 2007 | Audi | A8 | Quattro L Sedan | 4.2L V8 | For Vehicles with Engine Code(s) BFM, BGK |
| 2004 | Volkswagen | Phaeton | Sedan | 4.2L V8 | |
| 2005 | Volkswagen | Phaeton | Sedan | 4.2L V8 | |
| 2006 | Volkswagen | Phaeton | Sedan | 4.2L V8 |