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Number 20 marks the part’s position in the exploded view.
Product overview
Genuine OEM Volkswagen Coolant Reservoir, part number 5Q0121407G. This component stores and regulates the engine's coolant fluid, maintaining optimal operating temperature. It is located at position 20 in the cooling system assembly. The reservoir is constructed from durable plastic to resist coolant and temperature fluctuations. Genuine OEM reservoirs are designed for exact fit and proper sealing, preventing leaks and ensuring the efficient operation of your cooling system.
Technical details
- Category
- Body Interior
- Country of origin
- Germany
- Customs (HS) code
- 87089997
- Manufacturer
- Volkswagen
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 18.5 × 18 × 15 cm
- Shipping weight
- 0.43 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
20 vehiclesReservoir — locate 5Q0121407G Volkswagen Coolant Reservoir | Genuine OEM in the official exploded view and explore the surrounding assembly.
This part is marked discontinued by the manufacturer (since 2019-02-01); contact us to check current availability.
Parts in this assembly25
- 1Radiator 5Q0121251GN
- 2Sender 06A919501A
- 3Air Guide 565121285E
- 4Air Guide 565121295E
- 5Seal 5Q0121345C
- 6Seal Strip 5G0121332J
- 7Seal Strip 5G0121331J
- 8Rubber Bush 5Q0121367G
- 9Bolt N90972201
- 21Cover 5Q0121321
- 22Seal Ring 1H0121687A
- 23Bolt N91090701
- 24Part 811807577C
- 25Retainer 5Q0121409A
- 26CoolantLeftG013774M2
- 26CoolantLeftG013A8JM8
- 26CoolantLeftG013A8JM9
- 26CoolantRightG12E040A3
- 26CoolantRightG12E050A2
- 26CoolantRightG12E050A3
- 26CoolantRightG12E050A8
- 26CoolantRightG12E050A9
- 26CoolantRightG12E100A8
- 26CoolantRightG12E100A9
- 26CoolantLeftG013A8JM1
Vehicle fitment table20
Europe (17)
| Vehicle | Years | Pos. | Qty | PR |
|---|---|---|---|---|
| Kodiaq | 2018-2022 | 20 | 1 | |
| Audi Q3 quattro | 2018-2019 | 20 | 1 | |
| Karoq | 2017-2022 | 20 | 1 | |
| Octavia | 2017-2020 | 20, 6 | 1 | |
| Ateca Style | 2016- | 20 | 1 | |
| Kodiaq | 2016-2024 | 20 | 1 | |
| Audi A3 Sportback | 2016-2020 | 20 | 1 | |
| Audi A3 Cabrio | 2016-2020 | 20 | 1 | |
| Leon ST Stylance | 2016-2020 | 20, 8 | 1 | |
| Audi Q2 2.0 TDI | 2016-2018 | 20 | 1 | |
| Superb Combi | 2015-2024 | 20, 6 | 1 | |
| golf 1.6 | 2015-2019 | 6 | 1 | |
| Audi TTS Coupe 2.0 | 2014-2023 | 20 | 1 | |
| Golf 1.4 BlueMotion | 2014-2017 | 20, 6 | 1 | |
| Golf Estate 1.4 | 2014-2017 | 20, 6 | 1 | |
| Octavia | 2012-2017 | 20, 9 | 1 | |
| Leon ST Stylance | 2012-2016 | 20 | 1 |
Other markets (3)
| Vehicle | Years | Pos. | Qty | PR |
|---|---|---|---|---|
| Audi A3 Limousine 2.0 | 2015-2016 | 20 | 1 | TP6 |
| golf 1.4 | 2013-2020 | 6 | 1 | |
| POLO HATCH "ZA"06> | 2005- | 6 |
Diagrams & fitment data powered by oemdiagrams.com
5Q0121407G Volkswagen Coolant Reservoir | Genuine OEM is fitted on: Kodiaq 2018-2022; Audi Q3 quattro 2018-2019; Karoq 2017-2022; Octavia 2017-2020; Ateca Style 2016-; Kodiaq 2016-2024; Audi A3 Sportback 2016-2020; Audi A3 Cabrio 2016-2020; Leon ST Stylance 2016-2020; Audi Q2 2.0 TDI 2016-2018; Superb Combi 2015-2024; golf 1.6 2015-2019; Audi TTS Coupe 2.0 2014-2023; Golf 1.4 BlueMotion 2014-2017; Golf Estate 1.4 2014-2017; Octavia 2012-2017; Leon ST Stylance 2012-2016; Audi A3 Limousine 2.0 2015-2016; golf 1.4 2013-2020; POLO HATCH "ZA"06> 2005-.
