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URO 8K0121405M Engine Coolant Reservoir
| Brand | URO 8K0121405M |
|---|---|
| Material | Pp / pe / aluminum |
| Color | Transparent |
| Mounting Hardware Included | No |
| Shape | Oe |
| Mounting Hole Quantity | 2 |
| Mounting Brackets Included | No |
| Pressurized | No |
| Level Sensor Included | Yes |
| Maximum Capacity | Oe |
| Cap Included | No |
| Cap Included | No |
| Hardware Included | No |
| Height (mm) | 301 |
| Length (mm) | 281.34 |
| Material | Pp / pe / aluminum |
| Number Of Mounting Holes | 2 |
| Sensor Included | Yes |
| Width (mm) | 145.2 |
| Fits | Audi · 18 vehicles |
OE dimensions. Precision-molded for compatibility with original sensors and connections.
Factory pressure-tested. Verified for dependable performance in the cooling system environment.
Transparent design. Makes fluid level checks quick and easy.
Cross-references URO 8K0121405M, VAICO V10-4401 and 8K0 121 405M for the same application. See all 8.
Engine Coolant Reservoir for Audi Applications
This URO engine coolant reservoir is built to OE dimensions for direct replacement on select Audi models. It is designed for reliable sensor and connection compatibility, with a transparent tank body that makes coolant level checks easier during routine service.
- OE-shaped coolant reservoir for factory-style fitment
- Precision-molded to original dimensions for sensor and connection compatibility
- Transparent PP / PE / aluminum construction
- Level sensor included
- Factory pressure-tested for cooling system use
- Mounting hole quantity: 2
- Maximum capacity matches OE specification
Fitment Details
- Fits 2013-2016 Audi A4 allroad, N/A.
- Fits 2014-2016 Audi Q5, N/A.
- Fits 2008-2012 Audi S5, N/A.
- Fits 2008 Audi A5 Quattro, N/A. Production Date Range: To 03/2008.
Part number 8K0121405M is a direct-fit engine coolant reservoir for Audi A4 allroad, Audi Q5, Audi S5, and Audi A5 Quattro applications listed above. This part cross-references VAICO V10-4401 for the same application.
What This Reservoir Helps Address
- Cracked or leaking coolant expansion tank
- Low coolant warnings caused by a failing reservoir sensor
- Discolored or brittle plastic from heat cycling
- Improper fitment after a previous replacement tank
- Cooling system service needs on Audi A4 allroad, Q5, S5, and A5 Quattro models
Installation Notes
Verify the OE-style mounting points, sensor connection, and reservoir shape before installation. This reservoir does not include a cap, so reuse or replace the cap separately as needed. Confirm the vehicle’s production date for the 2008 Audi A5 Quattro application, since fitment is limited to vehicles built through 03/2008.
Quality Assurance
URO manufactures this coolant reservoir with heat-resistant materials and factory pressure testing to support cooling system reliability. Part number 8K0121405M is backed by a 24 Month Unlimited Mileage Warranty.
| Year | Make | Model | Submodel | Liters | Cylinders | Notes |
|---|---|---|---|---|---|---|
| 2016 | Audi | A4 allroad | — | — | — | — |
| 2016 | Audi | Q5 | TDI Premium Plus | — | — | — |
| 2016 | Audi | Q5 | TDI Premium Plus S-Line | — | — | — |
| 2016 | Audi | Q5 | TDI Prestige | — | — | — |
| 2016 | Audi | Q5 | TDI Prestige S-Line | — | — | — |
| 2015 | Audi | A4 allroad | — | — | — | — |
| 2015 | Audi | Q5 | TDI Premium Plus | — | — | — |
| 2015 | Audi | Q5 | TDI Prestige | — | — | — |
| 2014 | Audi | A4 allroad | — | — | — | — |
| 2014 | Audi | Q5 | TDI Premium Plus | — | — | — |
| 2014 | Audi | Q5 | TDI Prestige | — | — | — |
| 2013 | Audi | A4 allroad | — | — | — | — |
| 2012 | Audi | S5 | — | 4.2L | V8 | — |
| 2011 | Audi | S5 | — | 4.2L | V8 | — |
| 2010 | Audi | S5 | — | 4.2L | V8 | — |
| 2009 | Audi | S5 | — | — | — | — |
| 2008 | Audi | A5 Quattro | — | — | — | Production Date Range: To 03/2008 |
| 2008 | Audi | S5 | — | — | — | — |
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