United States
Product overview
Genuine OEM Audi Auxiliary Coolant Radiator, part number 4M0121212D. This component provides supplementary cooling capacity, working in conjunction with the main radiator to maintain optimal engine operating temperatures under various conditions. It is typically located in the engine bay, often alongside the main cooling system components. Constructed with an aluminum core and durable plastic end tanks, it weighs 1.09 kg and measures approximately 0.345m in length. A genuine OEM auxiliary radiator ensures precise heat exchange efficiency, proper fluid flow, and resistance to corrosion, which are vital for preventing engine overheating and ensuring long-term reliability.
Catalogue entry: RADIATOR left.
Fitted with: 4D0317867A RUBB. BUSH.
Technical details
- Category
- Engine Cooling
- Customs (HS) code
- 87089135
- Manufacturer
- Audi
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 34.5 × 20 × 7.5 cm
- Shipping weight
- 1.09 kg
Specifications
As recorded in the manufacturer’s parts catalogue for this part number.
Equipment codes
- 8Z4
- 8Z6
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
3 vehiclesAdditional Cooler For Coolant — locate 4M0121212D Audi Auxiliary Coolant Radiator | Genuine OEM in the official exploded view and explore the surrounding assembly.
Parts in this assembly19
- 2Bracket 4M0121261T
- 2Bracket 4M0121261R
- 3Rubber Bush 4D0317867A
- 4Bracket 4M8121263A
- 5Bolt N90737107
- 6Washer N01166620
- 6Bolt N90993603
- 6Bolt N91096701
- 7Grommet 050129669C
- 8Bush 4H0145219
- 9Screw N91199401
- 10Air Guide 4M8121333A
- 10Air Guide 4M8121333
- 12Bracket 4M0121262R
- 12Bracket 4M0121262Q
- 14Bracket 4M8121264A
- 19Bolt N91097001
- 20Air Guide 4M8121334A
- 20Air Guide 4M8121334
Compatible / alternative parts(2)
Vehicle fitment table3
Europe (3)
| Vehicle | Years | Pos. | Qty |
|---|---|---|---|
| Audi Q8 Quattro 3,0 | 2018- | 1 | 1 |
| touareg | 2017-2023 | 9 | 1 |
| Audi Q7 qu. 3.0 TDI | 2015-2019 | 1 | 1 |
Diagrams & fitment data powered by oemdiagrams.com
4M0121212D Audi Auxiliary Coolant Radiator | Genuine OEM is fitted on: Audi Q8 Quattro 3,0 2018-; touareg 2017-2023; Audi Q7 qu. 3.0 TDI 2015-2019.
