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Expansion Tank Replacement Kit

Install a brand new expansion tank with a new cap and hardware
Mfg Part #
ECS Part #
Genuine Volkswagen Audi
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Product Details

The coolant expansion tank in your vehicle gives additional fluid a place to go after expansion and contraction from temperature change. Because it is subjected to such drastic changes on a regular basis, it can often crack or break. If your tank has experienced such damage you will need to replace it.

Kit includes:

  • Expansion Tank
  • Cap w/ Seal
  • Mounting Hardware

When replacing, be sure to also have replacement coolant shipped to your door. Most German vehicles require specialized coolant, be sure to pick up the proper coolant when refilling to avoid damage or premature corrosion.

This Part Fits the Following Vehicles

Make Model Submodel Engine
Audi B5 A4 FWD 1.8T
Audi B5 A4 FWD V6 30v
Audi B5 A4 Quattro 1.8T
Audi B5 A4 Quattro V6 30v
Volkswagen Passat B5 4 Motion 1.8T
Volkswagen Passat B5 4 Motion V6 30v
Volkswagen Passat B5 4 Motion W8
Volkswagen Passat B5 FWD 1.8T
Volkswagen Passat B5 FWD TDI
Volkswagen Passat B5 FWD V6 30v
*The above product applications have been written by ECS Tuning. All warranties, product application, fitment, and performance are the responsibility of ECS Tuning. For additional information see the terms of use.

Kit Contents

Description Brand Qty
Expansion Tank Cap Genuine Volkswagen Audi - Corporate Logo 1
Coolant Expansion Tank Genuine Volkswagen Audi - Corporate Logo 1
Expanding Nut - Priced Each Genuine Volkswagen Audi - Corporate Logo 3
Screw - Priced Each Genuine Volkswagen Audi - Corporate Logo 3

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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