Expansion tank
A damaged expansion tank – the tank used to conserve coolant - can cause leaks, and should be replaced at the first sign of wear.
We have been supplying the various auto parts for 15 years.
The purpose of the expansion tank is to protect and store excess coolant. It is a reservoir that stores the overflow of coolant caused by expansion when the liquid has reached a high temperature; without an expansion tank this excess coolant would leak onto the road. Coolant (an equal mix of antifreeze and water) is a liquid that circulates through the car’s cooling system to stop the engine overheating. The expansion tank catches the inevitable overspill of this all-important fluid and recirculates it around the engine. The engine’s cooling system works by heating the coolant in the radiator to its required operating temperature. When this temperature is reached the liquid expands and is forced out of the radiator through the radiator cap. This is where the expansion tank comes into play. It stores the excess coolant to ensure that the necessary fluid level remains within the system.
Are you frequently having to top up your coolant?
You could have a leak somewhere in the cooling system.
Check your expansion tank and if it’s leaking
We main work with auto parts suppliers and wholesalers also workshops for bulk orders.
| Item | Description |
| Name | Expansion Tank |
| Mfg | Kemmex |
| OEM | 8D0121403L 7L0121407F, 443121321, 8D0121403D, 4D0407505D, 6Q0121407B |
| Application | Ford VW |
Feel free to request a free catalog.
Guaranteed to fit the following models:
- 1998-2001 Audi A4 B5 1.8T
- 1998-2001 Audi A4 B5 2.8L V6 30v
- 1998-2001 Audi A6 C5 2.8L V6 30v
- 2003-2004 Audi RS6 C5
- 1998-2005 Volkswagen Passat B5 1.8T
- 2004-2005 Volkswagen Passat B5 TDI
- 1998-2005 Volkswagen Passat B5 V6
Replaces the following OE part numbers:
8D0121403L, 8D0121403F, 8D0121403J
Our bulk order package:
Our team:
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Good Quality Engine Coolant Expansion Tank volkswagen passat b5 A4 A6 RS6 PASSAT B5 C5 8D0121403L Images
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