United States
Product overview
Genuine OEM Audi Engine Overflow Coolant Breather Line, part number 8W0121081DA. This line plays a vital role in the cooling system by managing excess coolant and allowing trapped air to escape, preventing pressure buildup. It is an integral part of the engine's coolant circulation pathway. Weighing approximately 0.041 kg, it measures 0.595m in length. Using a genuine OEM line ensures proper material resistance to coolant, correct routing, and reliable long-term performance.
Catalogue entry: LINE.
Technical details
- Category
- Engine Cooling
- Customs (HS) code
- 40093100
- Manufacturer
- Audi
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 59.5 × 26.5 × 5 cm
- Shipping weight
- 0.04 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
5 vehiclesBreather Line — locate 8W0121081DA Audi Engine Overflow Coolant Breather Line | Genuine OEM in the official exploded view and explore the surrounding assembly.
Parts in this assembly45
- 2Coupl Piece 8W0122293DL
- 3Line 8W0121081EG
- 3Line 8W0121081DS
- 4Line 8W0121081EF
- 4Line 8W0121081ER
- 6Hose 8W0122101BB
- 6Hose 8W0122101AP
- 8Hose 8W0121049A
- 10Water Pipe 8W0145640A
- 10Water Pipe 8W0145640
- 11Bolt N10405604
- 12Hose 7L0815985
- 13Hose 8W0145925S
- 14Hose 8W0145923P
- 16Hose 8W0145922G
- 17Water Pump 8K0965567E
- 17Water Pump 8K0965567C
- 18Bracket 8W0145896Q
- 19Bolt N10347103
- 20Bracket 8W0145879G
- 22Hose 8W0121471N
- 24Hose 8W0121472N
- 27Hose 8W0121372
- 28Hose 8W0121086D
- 28Hose 8W0121086C
- 29Hose 8W0121545K
- 30Hose 8W0121546Q
- 31Water Pipe 8W0121075A
- 32Collar Nut N01508210
- 33Hose 8W0122055BJ
- 35Water Pipe 8W0122485A
- 35Water Pipe 8W0122485B
- 35Water Pipe 8W0122485
- 36Bolt N91096701
- 38Hose 8W0121447T
- 39Hose 8W0122063A
- 41Water Pipe 8W0122479
- 42Screw N10721401
- 43Water Pipe 8W0122058B
- 43Water Pipe 8W0122058A
- 44Screw N10664801
- 46Clamp N90686701
- 47Clamp N90686902
- 48Clamp N90687001
- 49Clamp N90926501
Compatible / alternative parts(3)
Vehicle fitment table5
Europe (5)
| Vehicle | Years | Pos. | Qty |
|---|---|---|---|
| Audi RS4 Avant | 2017- | 4 | 1 |
| Audi RS5 Sportback | 2017- | 4 | 1 |
| Audi A5 Sportback | 2016-2020 | 4, 8 | 1 |
| Audi A5 Cabrio 2.0 | 2016-2018 | 4, 8 | 1 |
| audi a4 2.0 | 2015-2019 | 4, 8 | 1 |
Diagrams & fitment data powered by oemdiagrams.com
8W0121081DA Audi Engine Overflow Coolant Breather Line | Genuine OEM is fitted on: Audi RS4 Avant 2017-; Audi RS5 Sportback 2017-; Audi A5 Sportback 2016-2020; Audi A5 Cabrio 2.0 2016-2018; audi a4 2.0 2015-2019.
