United States
Product overview
Genuine OEM Volkswagen Coolant Expansion Tank, part number 4B0121403. This tank holds excess coolant from the engine cooling system. It is approximately 0.285 meters long. Genuine OEM tanks are designed for precise fitment and material integrity to prevent leaks.
Technical details
- Category
- Engine Cooling
- Country of origin
- Italy
- Customs (HS) code
- 87089997
- Manufacturer
- Volkswagen
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 28.5 × 23 × 15 cm
- Shipping weight
- 0.57 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
14 vehiclesReservoir — locate 4B0121403 Volkswagen Coolant Expansion Tank | Engine Cooling in the official exploded view and explore the surrounding assembly.
Parts in this assembly13
Compatible / alternative parts(2)
Vehicle fitment table14
Europe (13)
| Vehicle | Years | Pos. | Qty | Remark | PR |
|---|---|---|---|---|---|
| Audi RS6 qu. | 2003-2004 | 10 | 1 | T09 | |
| PASSAT/4MOTION/W8 | 2002-2005 | 10 | 1 | AKN,BAU,BDH, | |
| SUPERB 02> | 2001- | 10 | 1 | T1K | |
| Audi A6 Allroad qu. | 2000-2005 | 10 | 1 | AKE,BCZ,BAU | T5T |
| Passat/4Motion/W8 | 2000-2002 | 10 | 1 | AKN | MR2 |
| Audi A4/Avant | 1999-2001 | 10 | 1 | AFB,AKN | |
| Audi A4/Av.qu. | 1999-2001 | 10 | 1 | AFB,AKN | |
| Passat syncro/4Motion | 1998-2000 | 10 | 1 | AFB,AKN | |
| Audi A6/Avant | 1997-2001 | 10 | 1 | AFB,AKN,AKE | |
| Audi A6/Av.qu.F4B-W-> | 1997-2001 | 10 | 1 | AFB,AKN,AKE | |
| Passat | 1997-2000 | 10 | 1 | AFB,AKN | |
| Audi A4/Avant F8D-W-> | 1997-1998 | 10 | 1 | AFB | |
| Audi A4/Av.qu.F8D-W-> | 1997-1998 | 10 | 1 | AFB |
Other markets (1)
| Vehicle | Years | Pos. | Qty | Remark | PR |
|---|---|---|---|---|---|
| AUDI A6L CHINA | 1999-2005 | 10 | 1 | BND |
Diagrams & fitment data powered by oemdiagrams.com
4B0121403 Volkswagen Coolant Expansion Tank | Engine Cooling is fitted on: Audi RS6 qu. 2003-2004; PASSAT/4MOTION/W8 2002-2005; SUPERB 02> 2001-; Audi A6 Allroad qu. 2000-2005; Passat/4Motion/W8 2000-2002; Audi A4/Avant 1999-2001; Audi A4/Av.qu. 1999-2001; Passat syncro/4Motion 1998-2000; Audi A6/Avant 1997-2001; Audi A6/Av.qu.F4B-W-> 1997-2001; Passat 1997-2000; Audi A4/Avant F8D-W-> 1997-1998; Audi A4/Av.qu.F8D-W-> 1997-1998; AUDI A6L CHINA 1999-2005.
