The coolant expansion tank in your vehicle gives additional coolant a home after expansion and contraction from temperature change. Being subjected to such drastic changes on a regular basis, it often cracks and breaks.

ECS Tuning has created a convenient Coolant Expansion Tank Kit with everything you need to bolt on a brand new tank.

Kit includes:

• Coolant Expansion Tank
• Coolant Expansion Tank Cap
• Expanding Nut - 1
• Expansion Tank Mounting Bolt - 1

Keep it Cool

Click HERE to order or for more information


Fits:
AUDI B7 S4 2005.5-2008

Let me know if you have any questions.

Jason