AUDI B7 S4 Coolant Expansion Tank Kit
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.
Keep it Cool
Fits:
AUDI B7 S4 2005.5-2008
Expansion Tank Replacement Kit
Everything you need to replace your faded, cracked, or leaky expansion tank!
10X Entries Into Our F80 M3 Sweepstakes
Brand:
ES#:
2637204
Mfg#:
8E0121403FKT2
Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.
Availability:
Ships on Oct 6, 2026
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Ships on Oct 6, 2026
Expansion Tank Replacement Kit W/ R8 Coolant Cap
Install a brand new expansion tank with a new R8 polished aluminum cap and hardware
10X Entries Into Our F80 M3 Sweepstakes
Brand:
ES#:
2637205
Mfg#:
8E0121403FKT3
Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.
Availability:
Ships on Oct 6, 2026
Auto Notify
Ships on Oct 6, 2026
