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Behr Engine Coolant Expansion Tank (8E0121403) – Fits Audi A4 B6/B7
Behr Engine Coolant Expansion Tank (8E0121403) – Fits Audi A4 B6/B7
Behr Engine Coolant Expansion Tank (8E0121403) – Fits Audi A4 B6/B7
Behr Engine Coolant Expansion Tank (8E0121403) – Fits Audi A4 B6/B7

Behr Engine Coolant Expansion Tank (8E0121403) – Fits Audi A4 B6/B7

MAHLE BEHR
Disponibilité:
Rupture de stock
UGC 376737131
Épuisé
$19.98 - $19.98
$19.98
$19.98 - $19.98
$19.98
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We show live inventory for in-stock items. Products may sell out due to high demand but are restocked regularly. Out-of-stock items can still be ordered and usually arrive within a few weeks.

This Behr Engine Coolant Expansion Tank (part number 8E0121403 / 376737131) is a direct OE replacement for Audi A4 and A4 Quattro models from 2002-2009. It stores excess coolant and helps maintain system pressure, preventing boil-overs and coolant loss. Made by MAHLE Behr, a leading OEM supplier, this tank ensures factory quality and durability.

Key Features & Benefits

  • Direct OE replacement: Exactly matches the fit and function of the original expansion tank.
  • High-quality construction: Made from durable, heat-resistant plastic to withstand engine bay temperatures.
  • Includes pressure cap: Properly seals the cooling system to maintain optimal pressure.
  • Rigorous testing: Tested for leaks and durability to ensure long service life.

Vehicle Fitment

Make Model Years Engine
Audi A4 Quattro 2005–2009 3.2V6
Audi A4 2006–2008 3.2V6
Audi A4 2005–2007 2.0L4
Audi A4 Quattro 2002–2005 3.0V6
Audi A4 Quattro 2005–2006 3.0V6
Audi A4 2002–2005 1.8L4
Audi A4 2005–2006 1.8L4

Technical Specifications

Part Number 8E0121403
Cross-Reference 376737131
Material Plastic
Application Audi A4 B6 (2002-2005), B7 (2005-2009)

Installation Notes

Direct bolt-in replacement; transfer cap from old reservoir if needed.

About MAHLE Behr

MAHLE Behr is a global leader in thermal management systems and a trusted OE supplier to automotive manufacturers.

This part also goes by the following cross reference.

Cross Reference Part Number:

Fits These Vehicles 9 applications
B6 A4
Make Model Engine Years
Audi A4 Quattro 3.0V6 2002–2005
Audi A4 1.8L4 2002–2005
Audi A4 Quattro 1.8L4 2002–2005
B7 A4
Make Model Engine Years
Audi A4 Quattro 3.2V6 2005–2009
Audi A4 Quattro 2.0L4 2005–2009
Audi A4 3.2V6 2006–2008
Audi A4 2.0L4 2005–2007
Audi A4 Quattro 3.0V6 2005–2006
Audi A4 1.8L4 2005–2006