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Number 20 marks the part’s position in this exploded view (Audi Q8 (2018-2025)).
Other diagrams in the gallery may use a different number for the same part.
Product overview
Genuine OEM Audi Retainer for Reservoir, part number 4M0121409E. Fits Audi Q8 (2018-2025), Audi Q7 (2015-2025). Shown as position 20 in the engine diagram 429121020.
Catalogue entry: RETAINER; BRACKET.
Technical details
- Category
- Engine Cooling
- Diagram sheet
- Audi 429121020, position 20
- ETKA group
- 1 / 21 (121)
- Manufacturer
- Audi
- Product Type
- Genuine new auto parts
Specifications
As recorded in the manufacturer’s parts catalogue for this part number.
Equipment codes
- 9M1
- 9M5
- 9M9
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.
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Parts diagram & fitment
2 vehiclesRetainer For Reservoir — locate 4M0121409E Audi Retainer for Reservoir in the official exploded view and explore the surrounding assembly.
Parts in this assembly48
- 1Hose 4M0819350F
- 1HoseRight4M2819350
- 1Hose 4M8819350A
- 1HoseLeft4M1819350
- 1Hose 4M8819350
- 1Radiator 8W0121251AB
- 2Line 4M0121081BG
- 2Part 4M0121095
- 3Grommet 4M0819345A
- 3Sleeve 7P0121365
- 4Line 4M0121081CT
- 4Hose 4M0265371B
- 4Hose 4M0265374R
- 4Grommet 7P0121276
- 5Rubber Bush 4M0121275A
- 5Water Pipe 4M0121485BA
- 5Water Pipe 4M0819927C
- 6Rubber Bush 4M0121268A
- 6Hose 4M0122101DJ
- 6Collar Nut N01508210
- 7Hose 4M0265315E
- 7Hose 4M0819350AE
- 7Hose 4M0819350J
- 7Bolt 8K0805399B
- 8Hose 4M0122055BL
- 8Hose 4M0122055DF
- 8Hose 4M0122055DG
- 8Part 4D0133335
- 8Hose 4M0122055CH
- 9Hose 4M0265347N
- 10Sensor 079919523H
- 10Container 4M0121403G
- 10Sensor 079919523
- 10Container 4M0121403E
- 10Valve 8E0820036
- 11Part 4M0121321Q
- 11Part 4M0121321K
- 11Bracket 4M0261153D
- 11Bolt N10405604
- 12Retainer 4M0121232E
- 12Hose 4M0819373AL
- 12Sleeve 8E0820607
- 13Rubber Bush 4G0121585A
- 13Hose 4M0122056AC
- 13Grommet 4M0819345B
- 13Part 8J0121324
- 14Valve 5Q0906457K
- 14Screw N10347404
Vehicle fitment table2
Europe (2)
| Vehicle | Years | Pos. | Remark | PR |
|---|---|---|---|---|
| Audi Q8 Quattro 3,0 | 2018- | 20, 21 | ||
| Audi Q7 qu. 3.0 TDI | 2015-2019 | 20, 21 | 1 | PR |
Diagrams & fitment data powered by oemdiagrams.com
4M0121409E Audi Retainer for Reservoir is fitted on: Audi Q8 Quattro 3,0 2018-; Audi Q7 qu. 3.0 TDI 2015-2019.
