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Audi Porsche Expansion Tank 7L0121407F – Behr 376737201
Audi Porsche Expansion Tank 7L0121407F – Behr 376737201
Audi Porsche Expansion Tank 7L0121407F – Behr 376737201
Audi Porsche Expansion Tank 7L0121407F – Behr 376737201
Audi Porsche Expansion Tank 7L0121407F – Behr 376737201
Audi Porsche Expansion Tank 7L0121407F – Behr 376737201
Audi Porsche Expansion Tank 7L0121407F – Behr 376737201
Audi Porsche Expansion Tank 7L0121407F – Behr 376737201

Audi Porsche Expansion Tank 7L0121407F – Behr 376737201

MAHLE BEHR
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SKU 376737201
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$65.95 - $65.95
$65.95
$65.95 - $65.95
$65.95
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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 expansion tank (part 7L0121407F) is a direct OEM replacement for Audi Q7, Porsche Cayenne, and VW Touareg models. It stores excess coolant and pressure as the radiator heats up, ensuring the radiator remains full for efficient cooling. Manufactured to OE specifications by Behr (MAHLE), it prevents overheating and leaks from a damaged recovery tank.

Key Features & Benefits

  • Direct Replacement: Designed to match original equipment specifications for Audi, Porsche, and VW vehicles.
  • OEM Part Numbers: Cross-references include 7L0121407F, 7L0121407C, and 7L0121407E for broad fitment.
  • High-Quality Construction: Manufactured by Behr, a trusted OE supplier for European cooling system components.
  • Coolant Recovery Function: Maintains proper coolant levels and system pressure to enhance radiator efficiency.
  • Critical System Component: Replace immediately if damaged to avoid catastrophic cooling system failure.

Vehicle Fitment

Make Model Years Engine
Audi Q7 2009–2012 3.0V6
Audi Q7 2014–2015 3.0V6
Audi Q7 2007–2010 4.2V8
Volkswagen Touareg 2007–2011 3.6V6
Volkswagen Touareg 2009–2011 3.0V6
Volkswagen Touareg 2004–2009 4.2V8
Volkswagen Touareg 2006–2008 5.0V10
Volkswagen Touareg 2004–2006 3.2V6
Volkswagen Touareg 2004 4.9V10
Porsche Cayenne 2008–2010 4.8V8
Porsche Cayenne 2003–2006 4.5V8
Porsche Cayenne 2004–2006 3.2V6

Technical Specifications

Part Number 7L0121407F
Cross-Reference Numbers 7L0121407C, 7L0121407E
Manufacturer Part Number 376737201
Material High-grade plastic (factory specification)
Position Engine coolant expansion tank

Installation Notes

Professional installation recommended; pressure test the system after replacement to verify no leaks.

About MAHLE BEHR

MAHLE Behr is a leading manufacturer of OE cooling system components for European vehicles, known for quality and reliability.

This part also goes by the following cross reference.

Cross Reference Part Number:

Fits These Vehicles 14 applications
4L Q7
Make Model Engine Years
Audi Q7 3.0V6 2009–2012
Audi Q7 3.0V6 2014–2015
Audi Q7 4.2V8 2007–2010
Audi Q7 3.6V6 2007–2010
7L Touareg
Make Model Engine Years
Volkswagen Touareg 3.6V6 2007–2011
Volkswagen Touareg 3.0V6 2009–2011
Volkswagen Touareg 4.2V8 2004–2009
Volkswagen Touareg 5.0V10 2006–2008
Volkswagen Touareg 3.2V6 2004–2006
Volkswagen Touareg 4.9V10 2004–2004
955 Cayenne
Make Model Engine Years
Porsche Cayenne 4.5V8 2003–2006
Porsche Cayenne 3.2V6 2004–2006
957 Cayenne
Make Model Engine Years
Porsche Cayenne 4.8V8 2008–2010
Porsche Cayenne 3.6V6 2008–2010