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Number 54 marks the part’s position in this exploded view (Audi A8 (2013-2018)).
Other diagrams in the gallery may use a different number for the same part.
Product overview
Genuine OEM Audi Breather Line, part number 4H0121081AA. Fits Audi A8 (2013-2018). Shown as position 54 in the engine diagram 771121180.
Catalogue entry: PIPE left.
Technical details
- Category
- Engine Cooling
- Diagram sheet
- Audi 771121180, position 54
- ETKA group
- 1 / 21 (121)
- Manufacturer
- Audi
- Product Type
- Genuine new auto parts
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Parts diagram & fitment
2 vehiclesBreather Line — locate 4H0121081AA Audi Breather Line in the official exploded view and explore the surrounding assembly.
Parts in this assembly48
- 1Hose 4H0121101S
- 2Seal Ring 4E0121666
- 3Spring 4E0121142
- 4Water Pipe 057121071AN
- 5Seal Ring N90713202
- 6Bolt N10451408
- 7Screw N91136101
- 8Hose 057121106
- 9Water Pipe 057121491H
- 10Water Pipe 057121597Q
- 11Seal Ring N91008401
- 12Bolt N10405604
- 13Water Pipe 057121492Q
- 14Connection 059121131B
- 15Seal Ring N90783401
- 16Bracket 057121077
- 17Bolt N10156206
- 18Water Pipe 057121598M
- 20Hose 057121086M
- 21Screw N91043801
- 22Seal Ring N0138076
- 25Hose 4H0121053E
- 26Water Pipe 4H0121481Q
- 27Bolt N90797601
- 28Hose 4H0121104H
- 29Bracket 4H0121305AN
- 30Grommet 4F0129669F
- 31Bush 1K0129734B
- 32Bolt WHT004733
- 35Valve 4H0121671G
- 36Screw N91032702
- 39Hose 4H0121448S
- 40Hose 4H0121056N
- 41Hose 4H0121082AE
- 42Water Pipe 4H0121400AH
- 43Bolt N10124306
- 44Bolt N10347804
- 45Hose 4H0121449N
- 46Water Pipe 4H0121485AJ
- 49Screw N91049101
- 50Hose 4H0121445H
- 51Pipe 4H0121081M
- 52Hose 4H0121107J
- 53Clip 7L5253198
- 70Clamp N90686701
- 72Clamp N90770201
- 74Clamp N90926401
- 75Clamp N90686902
Compatible / alternative parts(2)
Vehicle fitment table2
Europe (2)
| Vehicle | Years | Pos. | Qty | PR |
|---|---|---|---|---|
| Audi A8L qu. 3.0 TDI | 2013-2018 | 54, 24, 11 | 1 | |
| Audi A8L qu. 3.0 TDI | 2009-2014 | 54, 30, 24, 11 | 1 | TE5 |
Diagrams & fitment data powered by oemdiagrams.com
4H0121081AA Audi Breather Line is fitted on: Audi A8L qu. 3.0 TDI 2013-2018; Audi A8L qu. 3.0 TDI 2009-2014.
