United States
Product overview
Genuine OEM Audi Coolant Regulator Housing, part number 04L121026AH. This critical component houses the thermostat and precisely regulates the flow of coolant throughout the engine cooling system. It ensures the engine operates at its optimal temperature, preventing overheating or undercooling. Constructed from high-quality, heat-resistant plastic, this housing weighs 0.624 kg. Using a genuine OEM housing guarantees proper fitment, leak-free operation, and accurate temperature regulation, which is vital for engine longevity and performance.
Catalogue entry: HOUSING.
Fitted with: 04L121026F HOUSING, 04L121026Q HOUSING, 04L121026AF HOUSING, N90365913 BOLT.
Technical details
- Category
- Engine Cooling
- Country of origin
- Germany
- Customs (HS) code
- 90321080
- Manufacturer
- Audi
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 33.5 × 20 × 10.5 cm
- Shipping weight
- 0.62 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
43 vehiclesCoolant Regulator Housing — locate 04L121026AH Audi Coolant Regulator Housing | Thermostat in the official exploded view and explore the surrounding assembly.
Parts in this assembly16
- 1Pump 04L121011N
- 2Seal Ring 04L121119F
- 3Sol Valve 04L907284
- 4Bolt N10406604
- 5Screw N91048804
- 10Connection 04L121131AA
- 11Seal Ring 04L121688
- 12Bolt N91054101
- 20Housing 04L121026AF
- 21Seal Ring 04L121119B
- 22Seal Ring 04L121119
- 25Coolant Rg 04L121113C
- 25Coolant Rg 04L121113D
- 26Seal Ring N90765301
- 27Spring 1J0121142
- 28Bolt N91203201
Compatible / alternative parts(12)
Vehicle fitment table43
Europe (40)
| Vehicle | Years | Pos. | Qty | Remark | PR |
|---|---|---|---|---|---|
| Caddy Maxi Kombi | 2020-2024 | 20 | 1 | ||
| Leon style | 2019- | 20 | 1 | ||
| Kamiq | 2019- | 20 | 1 | ||
| Golf 2.0 BlueMotion | 2019-2024 | 20 | 1 | ||
| Octavia | 2019-2024 | 20 | 1 | ||
| T-Cross 1,0 | 2018-2024 | 20 | 1 | ||
| Tarraco FR | 2018-2024 | 20 | 1 | TR1 | |
| Audi Q3 quattro | 2018-2019 | 20 | 1 | ||
| Arona FR | 2017- | 20 | 1 | ||
| Ibiza FR | 2017- | 20 | 1 | ||
| T-Roc BlueMotion | 2017-2024 | 20 | 1 | ||
| Tiguan 2.0 4Motion | 2017-2024 | 20 | 1 | ||
| Polo 1.0 BlueMotion | 2017-2024 | 20 | 1 | ||
| Arteon | 2017-2023 | 20 | 1 | ||
| Ateca Style | 2016- | 20 | |||
| Tiguan 2.0 4Motion | 2016-2024 | 20 | 1 | ||
| golf 2.0 | 2016-2020 | 20 | 1 | ||
| Leon ST Stylance | 2016-2020 | 20 | 1 | TJ1 | |
| Audi A3 Sportback | 2016-2020 | 20 | 1 | ||
| Audi A3 Cabrio | 2016-2020 | 20 | 1 | ||
| Audi Q2 2.0 TDI | 2016-2018 | 20 | |||
| Touran 2,0 BlueMotion | 2015-2024 | 20 | 1 | ||
| Sharan BlueMotion | 2015-2022 | 20 | 1 | ||
| Alhambra Stylance | 2015-2022 | 20 | 1 | ||
| caddy kombi | 2015-2020 | 20 | 1 | ||
| Toledo Reference | 2015-2019 | 20 | 1 | ||
| Passat saloon | 2014-2024 | 20 | 1 | ||
| Audi TTS Coupe 2.0 | 2014-2023 | 20 | 1 | ||
| Golf Sportsvan 1.6 | 2014-2020 | 20 | 1 | ||
| Audi Q3 2.0 TDI | 2014-2019 | 20 | 1 | T0N | |
| Audi A1 Sportback | 2014-2018 | 20 | 1 | TR1 | |
| Scirocco 2.0 | 2014-2017 | 20 | 1 | ||
| Golf Estate | 2013-2017 | 20 | 1 | ||
| Audi A3 Cab. 1.4 | 2013-2016 | 20 | 1 | ||
| Golf 1.4 BlueMotion | 2012-2017 | 20 | 1 | ||
| Leon ST Stylance | 2012-2016 | 20 | 1 | JOOP | |
| Audi A3 Sportback | 2012-2016 | 20 | 1 | ||
| Tiguan 4Motion | 2011-2018 | 20 | 1 | ||
| Golf Cabriolet | 2011-2016 | 20 | 1 | ||
| Passat CC | 2011-2016 | 20 | 1 |
Other markets (3)
| Vehicle | Years | Pos. | Qty | Remark | PR |
|---|---|---|---|---|---|
| Tiguan 2.0 4Motion | 2016-2022 | 20 | 1 | ||
| New Passat | 2015-2022 | 20 | 1 | ||
| New Passat | 2011-2015 | 20 | 1 |
Diagrams & fitment data powered by oemdiagrams.com
04L121026AH Audi Coolant Regulator Housing | Thermostat is fitted on: Caddy Maxi Kombi 2020-2024; Leon style 2019-; Kamiq 2019-; Golf 2.0 BlueMotion 2019-2024; Octavia 2019-2024; T-Cross 1,0 2018-2024; Tarraco FR 2018-2024; 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; Ateca Style 2016-; Tiguan 2.0 4Motion 2016-2024; golf 2.0 2016-2020; Leon ST Stylance 2016-2020; Audi A3 Sportback 2016-2020; Audi A3 Cabrio 2016-2020; Audi Q2 2.0 TDI 2016-2018; Touran 2,0 BlueMotion 2015-2024; Sharan BlueMotion 2015-2022; Alhambra Stylance 2015-2022; caddy kombi 2015-2020; Toledo Reference 2015-2019; Passat saloon 2014-2024; Audi TTS Coupe 2.0 2014-2023; Golf Sportsvan 1.6 2014-2020; Audi Q3 2.0 TDI 2014-2019; Audi A1 Sportback 2014-2018; Scirocco 2.0 2014-2017; Golf Estate 2013-2017; Audi A3 Cab. 1.4 2013-2016; Golf 1.4 BlueMotion 2012-2017; Leon ST Stylance 2012-2016; Audi A3 Sportback 2012-2016; Tiguan 4Motion 2011-2018; Golf Cabriolet 2011-2016; Passat CC 2011-2016; Tiguan 2.0 4Motion 2016-2022; New Passat 2015-2022; New Passat 2011-2015.