United States
4B3121403B Reservoir
Special order item. Delivery time may vary.
About This Part
Discontinued by the manufacturer
This part number has been discontinued and can no longer be ordered. Contact us and we will look for an alternative.
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
- 710 g
- Shipping size (L × W × H)
- 35 × 20 × 14.5 cm
- Country of origin
- Italy
- Customs (HS) code
- 87089997
Parts diagram & fitment
2 vehiclesReservoir — locate Reservoir in the official exploded view and explore the surrounding assembly.
Parts in this assembly15
- 1Radiator 4B3121251D
- 2Securing Pin 4B3121200
- 2Securing Pin 8D0121200
- 3Rubber Bush 4B3121275
- 3Rubber Bush 8D0121275
- 4Rubber Bush 4B3121276
- 4Rubber Bush 4B3121276A
- 8Cover 1J0121321B
- 9Seal Ring 1H0121687A
- 11Bolt N91090701
- 12Part 811807577C
- 19Cool Add G012A8FM8
- 19Cool Add G012A8FM9
- 19Cool Add G012A8FM1
- 20Coolant Ad ZVW237G12
Vehicle fitment table2
Europe (2)
| Vehicle | Years | Pos. | Qty | PR |
|---|---|---|---|---|
| Audi A6/Wagon/quattro | 2001-2004 | 10 | 1 | T7S |
| Audi A6/Av.qu.F4B-W-> | 1997-2001 | 10 | 1 |
Diagrams & fitment data powered by oemdiagrams.com
Reservoir is fitted on: Audi A6/Wagon/quattro 2001-2004; Audi A6/Av.qu.F4B-W-> 1997-2001.