United States
Product overview
Genuine OEM Audi Engine Breather Line, part number 4M0121081CT. This essential component facilitates the escape of crankcase gases from the engine, preventing pressure buildup and ensuring proper engine ventilation. It is integrated into the engine's emission control system. Measuring approximately 0.27 meters in length, this line is designed for precise routing and connection. Using a genuine OEM breather line guarantees the correct material composition and resistance to oil and heat, preventing leaks and maintaining emission compliance.
Catalogue entry: LINE right front.
Technical details
- Category
- Engine
- Country of origin
- Germany
- Customs (HS) code
- 40093100
- Manufacturer
- Audi
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 27 × 18 × 4.8 cm
- Shipping weight
- 0.03 kg
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 vehiclesBreather Line — locate 4M0121081CT Audi Engine Breather Line | Genuine OEM in the official exploded view and explore the surrounding assembly.
Parts in this assembly21
- 2Line 4M0121081BG
- 6Hose 4M0122101CL
- 8Hose 4M0122055BK
- 11Sensor 079919523H
- 11Sensor 079919523
- 12Screw N10170302
- 14Hose 4M0122056AC
- 15Valve 5Q0906457K
- 16Bracket 4M0121233CP
- 17Bolt N10124309
- 18Bolt N91096701
- 19Hose 4M0122447J
- 21Hose 4M0122449AC
- 22Water Pipe 4M0121485CJ
- 23Ut"hex Nut Self-locking With Washer Hex Nut N90570803
- 23Collar Nut N01508210
- 24Hose 4M0121449BK
- 28Seal Ring WHT002287B
- 30Clamp N90686902
- 31Clamp N90687001
- 32Clamp N90926501
Compatible / alternative parts(4)
Vehicle fitment table3
Europe (3)
| Vehicle | Years | Pos. | Qty |
|---|---|---|---|
| Audi Q8 Quattro 3,0 | 2018- | 4, 15 | 1 |
| touareg | 2017-2023 | 4, 15 | 1 |
| Audi Q7 qu. 3.0 TDI | 2015-2019 | 8, 4, 15 | 1 |
Diagrams & fitment data powered by oemdiagrams.com
4M0121081CT Audi Engine Breather Line | Genuine OEM is fitted on: Audi Q8 Quattro 3,0 2018-; touareg 2017-2023; Audi Q7 qu. 3.0 TDI 2015-2019.
