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URO 079103209AK Engine Crankcase Breather Hose - Oil Separator To Cylinder Head Cover
Engine Crankcase Breather Hose for Audi V8 Applications
This URO engine crankcase breather hose is a direct replacement for the oil separator to cylinder head cover connection used on select Audi V8 models. Built from PA12 with molded construction and quick-connect fittings, it supports a secure crankcase ventilation path on the Audi S5, Audi A6 Quattro, and Audi A8 Quattro.
Key Features
- Direct replacement engine crankcase breather hose
- PA12 construction with black finish
- Molded hose design for OE-style routing
- Two hose connectors and two quick-connect fittings
- Length: 225 mm
- End 1 inside diameter: 18.25 mm; end 2 inside diameter: 25.11 mm
- End 1 outside diameter: 22.03 mm; end 2 outside diameter: 29.94 mm
Detailed Description
URO Part Number 079103209AK is an emission control crankcase ventilation hose made for the oil separator to cylinder head cover path. It is engineered as a replacement for European vehicles and is positioned as an OE-style service part for repair work on the Audi S5, Audi A6 Quattro, and Audi A8 Quattro. This part cross-references VAICO V10-3324 for the same application.
URO replacement components are produced to meet or exceed OEM specifications, making this hose a practical choice for professional repair shops and DIY maintenance. The molded PA12 design helps maintain the original routing and connection geometry, while the quick-connect ends support a clean fit at the factory-style attachment points. Part number 079103209AK is also referenced as 079 103 209AG and URO-020007.
What It Helps Fix
- Cracked or brittle crankcase breather hose material
- Oil separator to cylinder head cover ventilation leaks
- Loose or damaged quick-connect hose ends
- Unstable crankcase ventilation routing
- Service issues caused by aged emission control hoses
Installation Notes
Fits 2008-2012 Audi S5, oil separator to cylinder head cover. Fits 2007-2011 Audi A6 Quattro, oil separator to cylinder head cover. Fits 2007-2010 Audi A8 Quattro, oil separator to cylinder head cover. Verify hose routing, connector style, and end diameters against the original part before installation. Confirm the OE reference 079103209AK when matching the replacement to the vehicle.
Quality Assurance
URO Parts components are manufactured for European vehicle repair and are built to meet or exceed OEM specifications. A.P.A. also offers URO Premium upgraded components for problem-prone OE designs, backed by an unlimited mileage, lifetime warranty.
| Brand | URO |
|---|---|
| Part Number | 079103209AK |
| Material | Pa12 |
| Length | 225 |
| Color | Black |
| End 1 Inside Diameter | 18.25 |
| End 2 Inside Diameter | 25.11 |
| End 1 Outside Diameter | 22.03 |
| End 2 Outside Diameter | 29.94 |
| Molded | Yes |
| Number Of Branches | 0 |
| Number of Hose Connectors | 2 |
| Number Of Quick Connect Fittings | 2 |
This part fits 14 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2012 | Audi | S5 | 4.2L | V8 | Oil Separator To Cylinder Head Cover | |
| 2011 | Audi | A6 Quattro | 4.2L | V8 | Oil Separator To Cylinder Head Cover | |
| 2011 | Audi | S5 | 4.2L | V8 | Oil Separator To Cylinder Head Cover | |
| 2010 | Audi | A6 Quattro | 4.2L | V8 | Oil Separator To Cylinder Head Cover | |
| 2010 | Audi | A8 Quattro | Oil Separator To Cylinder Head Cover | |||
| 2010 | Audi | S5 | 4.2L | V8 | Oil Separator To Cylinder Head Cover | |
| 2009 | Audi | A6 Quattro | 4.2L | V8 | Oil Separator To Cylinder Head Cover | |
| 2009 | Audi | A8 Quattro | 4.2L | V8 | Oil Separator To Cylinder Head Cover | |
| 2009 | Audi | S5 | Oil Separator To Cylinder Head Cover | |||
| 2008 | Audi | A6 Quattro | 4.2L | V8 | Oil Separator To Cylinder Head Cover | |
| 2008 | Audi | A8 Quattro | 4.2L | V8 | Oil Separator To Cylinder Head Cover | |
| 2008 | Audi | S5 | Oil Separator To Cylinder Head Cover | |||
| 2007 | Audi | A6 Quattro | 4.2L | V8 | Oil Separator To Cylinder Head Cover | |
| 2007 | Audi | A8 Quattro | 4.2L | V8 | Oil Separator To Cylinder Head Cover |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.