Audi / Volkswagen Cylinder Head Coolant Pipe / Tube 06E121045Q
OEM Part #: 06E-121-045-Q (06E121045Q)
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:
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This Genuine OEM Audi Cylinder Head Coolant Pipe (Part Number: 06E121045Q) plays a vital role in coolant circulation for your vehicle’s engine, specifically compatible with the 2010-2015 Audi Q7 (3.0L V6), and 2010-2012 S4 and S5 models. Located near the cylinder head, this factory-original part ensures optimal engine temperature management by directing coolant flow where it’s needed most. Common issues this pipe resolves include leaks or deterioration from wear, which can lead to overheating and engine damage. Also known as the water pipe, this component is interchangeable with part numbers such as N90925001 and 06E121111AL, making it an essential replacement for maintaining your vehicle’s performance.
Specifications
| Fits Vehicle Model | Q7, S4, S5, Touareg |
| Fits Vehicle Make | Audi, Volkswagen |
| OEM Part No | 06E-121-045-Q (06E121045Q) |
| Category | Radiator / Coolant |
Compatible Vehicles
Fits 19 vehicle configurations across 2 makes, 2010-2015.
View all 19 vehicle configurations — 19 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2010 | Audi | Q7 | SUV | 3.0L V6 Diesel Turbo | For Vehicles With Production date Up To 06/15/15 |
| 2010 | Audi | S4 | Sedan | 3.0L V6 Supercharged | For Vehicles With Production date Up To 08/29/11 |
| 2010 | Audi | S5 | Convertible | 3.0L V6 Supercharged | For Vehicles With Production date Up To 08/29/11; For Vehicles with Engine Code(s) CAKA, CCBA |
| 2011 | Audi | Q7 | SUV | 3.0L V6 Supercharged | For Vehicles With Production date Up To 06/15/15 |
| 2011 | Audi | Q7 | SUV | 3.0L V6 Diesel Turbo | For Vehicles With Production date Up To 06/15/15 |
| 2011 | Audi | S4 | Sedan | 3.0L V6 Supercharged | For Vehicles With Production date Up To 08/29/11 |
| 2011 | Audi | S5 | Convertible | 3.0L V6 Supercharged | For Vehicles With Production date Up To 08/29/11; For Vehicles with Engine Code(s) CAKA, CCBA |
| 2012 | Audi | Q7 | SUV | 3.0L V6 Supercharged | For Vehicles With Production date Up To 06/15/15 |
| 2012 | Audi | Q7 | SUV | 3.0L V6 Diesel Turbo | For Vehicles With Production date Up To 06/15/15 |
| 2012 | Audi | S4 | Sedan | 3.0L V6 Supercharged | For Vehicles With Production date Up To 08/29/11 |
| 2012 | Audi | S5 | Convertible | 3.0L V6 Supercharged | For Vehicles With Production date Up To 08/29/11; For Vehicles with Engine Code(s) CAKA, CCBA |
| 2013 | Audi | Q7 | SUV | 3.0L V6 Supercharged | For Vehicles With Production date Up To 06/15/15 |
| 2013 | Audi | Q7 | SUV | 3.0L V6 Diesel Turbo | For Vehicles With Production date Up To 06/15/15 |
| 2014 | Audi | Q7 | SUV | 3.0L V6 Supercharged | For Vehicles With Production date Up To 06/15/15 |
| 2014 | Audi | Q7 | SUV | 3.0L V6 Diesel Turbo | For Vehicles With Production date Up To 06/15/15 |
| 2015 | Audi | Q7 | SUV | 3.0L V6 Supercharged | For Vehicles With Production date Up To 06/15/15 |
| 2015 | Audi | Q7 | SUV | 3.0L V6 Diesel Turbo | For Vehicles With Production date Up To 06/15/15 |
| 2011 | Volkswagen | Touareg | SUV | 3.0L V6 Supercharged | For Vehicles with Engine Code(s) CJTA |
| 2012 | Volkswagen | Touareg | SUV | 3.0L V6 Supercharged | For Vehicles with Engine Code(s) CJTA |