United States
Product overview
Genuine OEM Volkswagen Cooling System Breather Line, part number 04L121070AB. This critical component is designed to allow trapped air to escape from the vehicle's cooling system, preventing air pockets that can lead to overheating and inefficient coolant circulation. It is an integral part of the engine cooling system, connecting various components to maintain proper fluid levels and pressure. This assembly consists of rigid pipes and flexible hoses, engineered for specific routing and temperature resistance. Using a genuine OEM breather line ensures correct routing geometry, material integrity, and precise connections, which are essential for the long-term reliability and performance of the engine cooling system.
Catalogue entry: PIPE.
Technical details
- Category
- Engine Cooling
- Country of origin
- Germany
- Customs (HS) code
- 87089997
- Manufacturer
- Volkswagen
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 37.5 × 12 × 9 cm
- Shipping weight
- 0.18 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
56 vehiclesBreather Line — locate 04L121070AB Volkswagen Cooling System Breather Line | Genuine OEM in the official exploded view and explore the surrounding assembly.
Parts in this assembly28
- 1Hose 5QF122051AH
- 2Seal Ring N90765301
- 3Spring 1J0121142
- 4Hose 5QF122051AJ
- 7Bracket 5Q0121093CM
- 8Bracket WHT005377
- 9Coupl Piece 3B0122291B
- 10Bracket 5Q0121093CN
- 15Pump 5Q0965561B
- 15Pump 5G0965567
- 16Bracket 5Q0121093CH
- 16Part 5Q0121093CF
- 17Screw N10698101
- 18Fixing Set 5N0198093
- 18Clip 8J7871719
- 21Pipe 5Q0121064BB
- 22Hose 5QF122449A
- 23Hose 5Q0122449C
- 24Bolt N90737101
- 25Hose 5QF122101F
- 26Coupl Piece 5Q0121619A
- 32Hose 04L121030
- 33Bolt N10335202
- 60Clamp N90768301
- 61Clamp N90686701
- 64Clamp N90686902
- 65Clamp N90687001
- 67Clamp N90687201
Compatible / alternative parts(12)
Vehicle fitment table56
Europe (53)
| Vehicle | Years | Pos. | Qty | PR |
|---|---|---|---|---|
| Kodiaq | 2024- | 31 | 1 | |
| Caddy Maxi Kombi | 2020-2024 | 31, 4 | 1 | |
| Kamiq | 2019- | 31 | 1 | |
| Leon style | 2019- | 4 | 1 | |
| Golf 2.0 BlueMotion | 2019-2024 | 31, 4 | 1 | |
| Octavia | 2019-2024 | 31 | 1 | |
| T-Cross 1,0 | 2018-2024 | 4, 31 | 1 | |
| Tarraco FR | 2018-2024 | 31 | 1 | |
| Kodiaq | 2018-2022 | 31 | 1 | |
| Audi Q3 quattro | 2018-2019 | 31 | 1 | DN4 |
| Arona FR | 2017- | 31 | 1 | |
| Ibiza FR | 2017- | 31 | 1 | |
| T-Roc BlueMotion | 2017-2024 | 31 | 1 | |
| Tiguan 2.0 4Motion | 2017-2024 | 31 | 1 | |
| Polo 1.0 BlueMotion | 2017-2024 | 31 | 1 | |
| Arteon | 2017-2023 | 31 | 1 | |
| Karoq | 2017-2022 | 31 | 1 | |
| Octavia | 2017-2020 | 31 | 1 | |
| Ateca Style | 2016- | 31 | 1 | |
| Tiguan 2.0 4Motion | 2016-2024 | 4 | 1 | |
| Kodiaq | 2016-2024 | 4 | 1 | |
| golf 2.0 | 2016-2020 | 31 | 1 | |
| Audi A3 Sportback | 2016-2020 | 31 | 1 | |
| Audi A3 Cabrio | 2016-2020 | 31 | 1 | |
| Leon ST Stylance | 2016-2020 | 31 | 1 | |
| Beetle | 2016-2019 | 5 | 1 | |
| new beetle cabriolet | 2016-2019 | 5 | 1 | |
| Audi Q2 2.0 TDI | 2016-2018 | 31 | 1 | |
| Touran 2,0 BlueMotion | 2015-2024 | 31 | 1 | |
| Superb Combi | 2015-2024 | 31 | 1 | |
| Sharan BlueMotion | 2015-2022 | 5 | 1 | |
| Alhambra Stylance | 2015-2022 | 5 | 1 | |
| caddy kombi | 2015-2020 | 5 | 1 | |
| Passat saloon | 2014-2024 | 31, 4 | 1 | |
| Audi TTS Coupe 2.0 | 2014-2023 | 31 | 1 | |
| Golf Sportsvan 1.6 | 2014-2020 | 31, 4 | 1 | |
| Audi Q3 2.0 TDI | 2014-2019 | 4 | 1 | |
| Golf 1.4 BlueMotion | 2014-2017 | 31, 4 | 1 | |
| Scirocco 2.0 | 2014-2017 | 5 | 1 | |
| jetta | 2014-2017 | 5 | 1 | |
| Golf Estate 1.4 | 2014-2017 | 31, 4 | 1 | |
| Golf Estate | 2013-2017 | 31, 4 | 1 | |
| Yeti | 2013-2017 | 5 | 1 | |
| Audi A3 Cab. 1.4 | 2013-2016 | 31 | 1 | |
| Golf 1.4 BlueMotion | 2012-2017 | 31, 4 | 1 | |
| Octavia | 2012-2017 | 31 | 1 | |
| Audi A3 Sportback | 2012-2016 | 31 | 1 | |
| Leon ST Stylance | 2012-2016 | 31 | 1 | |
| Tiguan 4Motion | 2011-2018 | 5 | 1 | |
| new beetle | 2011-2016 | 5 | 1 | |
| new beetle cabriolet | 2011-2016 | 5 | 1 | |
| Golf Cabriolet | 2011-2016 | 5 | 1 | |
| Passat CC | 2011-2016 | 5 | 1 |
Other markets (3)
| Vehicle | Years | Pos. | Qty | PR |
|---|---|---|---|---|
| Tiguan 2.0 4Motion | 2016-2022 | 31 | 1 | |
| New Passat | 2015-2022 | 5 | 1 | |
| New Passat | 2011-2015 | 5 | 1 |
Diagrams & fitment data powered by oemdiagrams.com
04L121070AB Volkswagen Cooling System Breather Line | Genuine OEM is fitted on: Kodiaq 2024-; Caddy Maxi Kombi 2020-2024; Kamiq 2019-; Leon style 2019-; Golf 2.0 BlueMotion 2019-2024; Octavia 2019-2024; T-Cross 1,0 2018-2024; Tarraco FR 2018-2024; Kodiaq 2018-2022; Audi Q3 quattro 2018-2019; Arona FR 2017-; Ibiza FR 2017-; T-Roc BlueMotion 2017-2024; Tiguan 2.0 4Motion 2017-2024; Polo 1.0 BlueMotion 2017-2024; Arteon 2017-2023; Karoq 2017-2022; Octavia 2017-2020; Ateca Style 2016-; Tiguan 2.0 4Motion 2016-2024; Kodiaq 2016-2024; golf 2.0 2016-2020; Audi A3 Sportback 2016-2020; Audi A3 Cabrio 2016-2020; Leon ST Stylance 2016-2020; Beetle 2016-2019; new beetle cabriolet 2016-2019; Audi Q2 2.0 TDI 2016-2018; Touran 2,0 BlueMotion 2015-2024; Superb Combi 2015-2024; Sharan BlueMotion 2015-2022; Alhambra Stylance 2015-2022; caddy kombi 2015-2020; Passat saloon 2014-2024; Audi TTS Coupe 2.0 2014-2023; Golf Sportsvan 1.6 2014-2020; Audi Q3 2.0 TDI 2014-2019; Golf 1.4 BlueMotion 2014-2017; Scirocco 2.0 2014-2017; jetta 2014-2017; Golf Estate 1.4 2014-2017; Golf Estate 2013-2017; Yeti 2013-2017; Audi A3 Cab. 1.4 2013-2016; Golf 1.4 BlueMotion 2012-2017; Octavia 2012-2017; Audi A3 Sportback 2012-2016; Leon ST Stylance 2012-2016; Tiguan 4Motion 2011-2018; new beetle 2011-2016; new beetle cabriolet 2011-2016; Golf Cabriolet 2011-2016; Passat CC 2011-2016; Tiguan 2.0 4Motion 2016-2022; New Passat 2015-2022; New Passat 2011-2015.
