2009-2017 Audi Q5/S4/S5/SQ5 Coolant Reservoir / Tank / Bottle 8K0121405N
OEM Part #: 8K0-121-405-N (8K0121405N)
Actual photo
The exact part you’ll receive — not a stock photo.
$44.99
Used
Donor2013 Audi S5 · 3.0L
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Genuine OEM Used
SKU: 710136
Donor Vehicle: 2013 Audi S5 · 3.0L
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$44.99
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A genuine Audi coolant reservoir, OEM part number 8K0121405N, also known as the tank or bottle. This used OEM part supersedes the earlier 8K0121405H and 8K0121405F versions. It stores and supplies coolant to the engine, preventing overheating. A common failure point is a cracked plastic body or a faulty level sensor, leading to visible leaks or a low coolant warning.
Specifications
| Fits Vehicle Model | Q5, S4, S5, SQ5 |
| Fits Vehicle Make | Audi |
| OEM Part No | 8K0-121-405-N (8K0121405N) |
| Compatible OEM Part No | 8K0-121-405-H, 8K0-121-405-F |
| Category | Radiator / Coolant |
Compatible Vehicles
Fits 27 vehicle configurations across 1 make, 2009-2017.
Check your specific vehicle before ordering.
This list shows year, make, and model. Some years have multiple trims or
engines that use different parts, and individual listings may have
additional fitment notes (e.g. “with sunroof only”). Review
the full variant list below, or
message us with your VIN
and we’ll confirm the match.
View all 27 vehicle configurations — 1 with fitment note
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2016 | Audi | SQ5 | SUV | 3.0L V6 Supercharged | |
| 2016 | Audi | S4 | Sedan | 3.0L V6 Supercharged | |
| 2016 | Audi | S5 | Convertible | 3.0L V6 Supercharged | |
| 2016 | Audi | S5 | Coupe | 3.0L V6 Supercharged | |
| 2017 | Audi | Q5 | SUV | 3.0L V6 Supercharged | |
| 2016 | Audi | Q5 | SUV | 3.0L V6 Supercharged | |
| 2017 | Audi | S5 | Convertible | 3.0L V6 Supercharged | |
| 2012 | Audi | Q5 | SUV | 3.2L V6 | |
| 2010 | Audi | Q5 | SUV | 3.2L V6 | |
| 2009 | Audi | Q5 | SUV | 3.2L V6 | |
| 2017 | Audi | SQ5 | SUV | 3.0L V6 Supercharged | |
| 2011 | Audi | Q5 | SUV | 3.2L V6 | |
| 2014 | Audi | S5 | Convertible | 3.0L V6 Supercharged | |
| 2014 | Audi | Q5 | SUV | 3.0L V6 Supercharged | |
| 2014 | Audi | S4 | Sedan | 3.0L V6 Supercharged | |
| 2014 | Audi | S5 | Coupe | 3.0L V6 Supercharged | |
| 2013 | Audi | Q5 | SUV | 3.0L V6 Supercharged | |
| 2013 | Audi | S5 | Coupe | 3.0L V6 Supercharged | |
| 2013 | Audi | S5 | Convertible | 3.0L V6 Supercharged | |
| 2013 | Audi | S4 | Sedan | 3.0L V6 Supercharged | |
| 2012 | Audi | S4 | Sedan | 3.0L V6 Supercharged | For Vehicles with Production Date After 01/09/12 |
| 2014 | Audi | SQ5 | SUV | 3.0L V6 Supercharged | |
| 2015 | Audi | S5 | Coupe | 3.0L V6 Supercharged | |
| 2015 | Audi | Q5 | SUV | 3.0L V6 Supercharged | |
| 2015 | Audi | S5 | Convertible | 3.0L V6 Supercharged | |
| 2015 | Audi | S4 | Sedan | 3.0L V6 Supercharged | |
| 2015 | Audi | SQ5 | SUV | 3.0L V6 Supercharged |