United States
4G0121403AC Reservoir
- 4G0121403DNot stocked
May 2012 - 4G0121403GNot stocked
Jan 2018 - 4G0121403ACThis pageNot stocked
May 2020 - 4G0121403AGCurrent number
Special order item. Delivery time may vary.
About This Part
Superseded part number
This part number has been replaced. Order the current replacement shown above — the old number can no longer be supplied.
Order Processing & Delivery
This part is not stocked in our warehouse and will be ordered directly from the manufacturer upon purchase. Handling time for VOLKSWAGEN is typically 3–8 business days before dispatch.
Handling time for VAG (VW / Audi / Seat / Cupra): 3–8 business days from order confirmation to dispatch (Monday–Friday). Shipping transit for your country is added on top — see handling times by brand and shipping options.
* Delivery times are estimates and may vary based on manufacturer availability and your location.
Verify Vehicle Fitment
To ensure this part is compatible with your vehicle, please contact us with your VIN (Vehicle Identification Number). Our technical team can verify the exact fitment before you place your order.
Contact us with your VINShipping details
- Shipping weight
- 614 g
- Shipping size (L × W × H)
- 24.5 × 17 × 17.5 cm
- Country of origin
- Italy
- Customs (HS) code
- 87089997
Parts diagram & fitment
10 vehiclesReservoir — locate Reservoir in the official exploded view and explore the surrounding assembly.
Parts in this assembly23
- 1Radiator 4G0121251E
- 1Radiator 8K0121251H
- 2Part WHT001506A
- 3Rubber Bush 8K0121275C
- 4Rubber Bush 4H0121276
- 5Rubber Bush 4H0121268
- 6Screw N10442003
- 11Cover 3B0121321
- 12Seal Ring 1H0121687A
- 13Retainer 4G0121214G
- 14Screw WHT003841
- 15Retainer 4G0121214N
- 16Bolt N90775001
- 17Part 811807577C
- 18Rubber Bush 4G0121585A
- 20Coolant G12E050A2
- 20Coolant G12E050A8
- 20Coolant G12E050A9
- 20Coolant G12E100A8
- 20Coolant G12E100A9
- 20Coolant G12E100M8
- 20Coolant G12E100M9
- 20Coolant G12E050M2
Vehicle fitment table10
Europe (9)
| Vehicle | Years | Pos. | Qty | Remark | PR |
|---|---|---|---|---|---|
| Audi A7 Sportback | 2014-2018 | 10 | 1 | ||
| audi a6 qu. 3.0 tdi | 2014-2018 | 10 | 1 | ||
| Audi RS6 Avant | 2013-2018 | 10 | 1 | ||
| Audi RS7 Sportback | 2013-2018 | 10 | 1 | ||
| Audi A8L qu. 3.0 TDI | 2013-2018 | 10 | 1 | TC8 | |
| Audi A6 Av. qu. 3.0 | 2012-2018 | 10 | 1 | ||
| Audi A7 Sportback | 2010-2015 | 10 | 1 | ||
| audi a6 2.0 tdi | 2010-2015 | 10 | 1 | ||
| Audi A8L qu. 3.0 TDI | 2009-2014 | 10 | 1 | TC8 |
Other markets (1)
| Vehicle | Years | Pos. | Qty | Remark | PR |
|---|---|---|---|---|---|
| audi a6 1.8 | 2015-2019 | 10 | 1 | TF8 |
Diagrams & fitment data powered by oemdiagrams.com
Reservoir is fitted on: Audi A7 Sportback 2014-2018; audi a6 qu. 3.0 tdi 2014-2018; Audi RS6 Avant 2013-2018; Audi RS7 Sportback 2013-2018; Audi A8L qu. 3.0 TDI 2013-2018; Audi A6 Av. qu. 3.0 2012-2018; Audi A7 Sportback 2010-2015; audi a6 2.0 tdi 2010-2015; Audi A8L qu. 3.0 TDI 2009-2014; audi a6 1.8 2015-2019.