United States
Target · Diagram
Find this reference above
Number 6 marks the part’s position in the exploded view.
Product overview
Genuine OEM Volkswagen Engine Thermostat, part number 04C121113E. This component is a vital part of the engine cooling system, responsible for regulating the flow of coolant to maintain the engine's optimal operating temperature. It is typically located near the water pump or engine block. Weighing 0.062 kg, this thermostat precisely controls coolant circulation. Using a genuine OEM thermostat ensures accurate temperature calibration and reliable opening/closing, which is critical for engine efficiency, emissions control, and preventing overheating or undercooling.
Catalogue entry: COOLANT RG.
Technical details
- Category
- Engine Cooling
- Customs (HS) code
- 90321080
- Manufacturer
- Volkswagen
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 5 × 4.3 × 4.3 cm
- Shipping weight
- 0.06 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
6 vehiclesCoolant Regulator — locate 04C121113E Volkswagen Engine Thermostat | Coolant Regulator in the official exploded view and explore the surrounding assembly.
Parts in this assembly11
Vehicle fitment table6
Europe (4)
| Vehicle | Years | Pos. | Qty |
|---|---|---|---|
| Arona FR | 2017- | 6 | 1 |
| Ibiza FR | 2017- | 6 | 1 |
| Polo 1.0 BlueMotion | 2017-2024 | 6 | 1 |
| Audi A3 Sportback | 2012-2016 | 6 |
Other markets (2)
| Vehicle | Years | Pos. | Qty |
|---|---|---|---|
| Ameo 1,0 | 2016-2020 | 6 | 1 |
| Polo | 2014-2022 | 6 | 1 |
Diagrams & fitment data powered by oemdiagrams.com
04C121113E Volkswagen Engine Thermostat | Coolant Regulator is fitted on: Arona FR 2017-; Ibiza FR 2017-; Polo 1.0 BlueMotion 2017-2024; Audi A3 Sportback 2012-2016; Ameo 1,0 2016-2020; Polo 2014-2022.