United States
Product overview
Genuine OEM Audi Engine Coolant Expansion Tank, part number 80A121405AG. This vital component in the engine cooling system stores excess coolant, allowing for thermal expansion and contraction, and helps maintain the correct system pressure. It is typically located in the engine bay, connected to the radiator and engine. Made from durable, translucent grey plastic, this tank measures approximately 0.235m in length. Using a genuine OEM expansion tank ensures proper fitment, material integrity, and reliable pressure regulation for efficient engine cooling.
Catalogue entry: CONTAINER.
Technical details
- Category
- Engine Cooling
- Country of origin
- Mexico
- Customs (HS) code
- 87089997
- Manufacturer
- Audi
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 23.5 × 20 × 17 cm
- Shipping weight
- 0.67 kg
Specifications
As recorded in the manufacturer’s parts catalogue for this part number.
Equipment codes
- GP1
- TX5
PR codes identify the factory option a part belongs to; your vehicle’s are listed on the data sticker in the boot well or service booklet.
Why buy from WW Spares?
- ✓ Genuine OEM inventory sourced directly from factory networks
- ✓ Fitment support from workshop-seasoned parts specialists
- ✓ Global logistics with customs-ready documentation
Need help confirming compatibility? Talk to a specialist
Parts diagram & fitment
2 vehiclesReservoir — locate 80A121405AG Audi Engine Coolant Expansion Tank | Genuine OEM in the official exploded view and explore the surrounding assembly.
Parts in this assembly21
- 1Radiator 8WD121251A
- 2Part 4M0121095
- 3Sleeve 7P0121365
- 4Grommet 7P0121276
- 5Rubber Bush 4M0121275A
- 6Rubber Bush 4M0121268A
- 7Bolt 8K0805399B
- 10Container 80A121405AK
- 10Container 80A121405AQ
- 10Container 80A121405Q
- 10Container 80A121405T
- 11Part 4M0121321Q
- 11Part 4M0121321R
- 12Bolt N91032001
- 12Bolt N91140501
- 13Retainer 80A121232AQ
- 13Retainer 80A121232BH
- 14Bolt WHT002605
- 14Screw WHT003841
- 15Retainer 80A121232B
- 16Bolt N91148001
Vehicle fitment table2
Europe (1)
| Vehicle | Years | Pos. | Qty | Remark | PR |
|---|---|---|---|---|---|
| Audi Q5 | 2016-2020 | 10 | 1 | PR:TX5+GP1 | GP1 |
Other markets (1)
| Vehicle | Years | Pos. | Qty | Remark | PR |
|---|---|---|---|---|---|
| Audi Q5 qu. 2.0 | 2018- | 10 | 1 | T2U |
Diagrams & fitment data powered by oemdiagrams.com
80A121405AG Audi Engine Coolant Expansion Tank | Genuine OEM is fitted on: Audi Q5 2016-2020; Audi Q5 qu. 2.0 2018-.
