Coolant Expansion Tank – VW e-up!, Mii Electric & Citigo-e iV – Febi 183515
This coolant expansion tank fits the Volkswagen e-up!, e-load up!, SEAT Mii Electric and Skoda Citigo-e iV. It is plastic, with a two-terminal D-shaped plug housing for the coolant level sensor, and is supplied without a lid.
On an electric car the coolant keeps the battery, motor and power electronics at a safe temperature. Plastic tanks go brittle with heat and age and can crack or seep at the seams or hose connections. Signs are a falling coolant level, a coolant warning light and dried coolant marks around the tank.
This is Febi part number 183515, made by the bilstein group.
Febi is a brand of the bilstein group, a German parts maker that supplies replacement parts for cars and vans across the world. Each part is made to match the original in fit and function, so it fits without modification.
The bilstein group parts finder lists this tank for the Volkswagen e-up! (BL1, 2013 to 2016) 60 kW, (BL2, 2016 on) 60 and 61 kW and (BL3, 2019 on) 61 kW; Volkswagen e-load up! (BL1, 2014 to 2016) 60 kW and (BL2, 2016 to 2019) 60 kW; SEAT Mii Electric (KE, 2020 on) 61 kW; Skoda Citigo-e iV (2019 to 2021) 61 kW. The table shows every version listed. Compare the part number on your existing part with the numbers on this page before ordering.
Key Benefits
- Plastic tank
- Two-terminal plug housing
- Supplied without a lid
- Made by the bilstein group
Specifications
- Additional Information: Without lid
- Material: Plastic
- No. of Terminals: 2
- Plug Housing Form: D-shape
- Part Number: Febi 183515
Replaces SEAT, Skoda and Volkswagen part numbers including 1S0 121 407 J, 1S0 121 407 C, 1S0 121 407 E. The full list is in the FAQs.
Installation
Easy to fit with the right tools. Work only when the system is cold. Drain or clamp the hoses, unplug the level sensor, and fit the new tank. Refill with the correct coolant, bleed the system, and check for leaks.
Explore More Parts
- All SEAT Mii Electric Parts
- All Skoda Citigo-e iV Parts
- All Volkswagen e-load up! Parts
- All Volkswagen e-up! Parts
- All Cooling System Parts
| Attribute | Value |
|---|---|
| Additional Information | Without lid |
| Material | Plastic |
| No. of Terminals | 2 |
| Plug Housing Form | D-shape |
| Part Number | Febi 183515 |
Fits The Following Models
| Make | Model | Submodel |
|---|---|---|
| SEAT | Mii (KE) 2020 – | (E) E 61 kW / 83 hp |
| Skoda | E-Citigo 2019 – 2021 | (E) – 61 kW / 83 hp |
| Volkswagen | e-load up! (BL1) 2014 – 2016 | (E) – 60 kW / 82 hp |
| Volkswagen | e-load up! (BL2) 2016 – 2019 | (E) – 60 kW / 82 hp |
| Volkswagen | e-up! (BL1) 2013 – 2016 | (E) – 60 kW / 82 hp |
| Volkswagen | e-up! (BL2) 2016 – | (E) – 61 kW / 83 hp |
| Volkswagen | e-up! (BL2) 2016 – | (E) – 60 kW / 82 hp |
| Volkswagen | e-up! (BL3) 2019 – | (E) – 61 kW / 83 hp |
Coolant Expansion Tank – VW e-up!, Mii Electric & Citigo-e iV – Febi 183515 FAQs
Which part numbers does it replace?
It replaces SEAT, Skoda and Volkswagen part numbers 1S0 121 407 J, 1S0 121 407 C, 1S0 121 407 E and 1S0 121 407 G.
Is the cap included?
No. The tank is supplied without a lid, so reuse your cap or fit a new one.
Does it have a level sensor plug?
Yes. It has a two-terminal D-shaped plug housing.
What are the signs of a cracked tank?
A falling coolant level, a coolant warning light, and dried coolant around the tank.
Will it fit my e-up!, e-load up!, Mii Electric or Citigo-e iV?
The parts finder lists it for the Volkswagen e-up!, e-load up!, SEAT Mii Electric and Skoda Citigo-e iV. Compare the part number on your existing part, or send us your registration and we will confirm.
Is this a genuine SEAT, Skoda or Volkswagen part?
No. It is a quality replacement part made by the bilstein group to match the original in fit and function.



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