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Audi Expansion Tank 4F0121403M – Behr 376737141
Audi Expansion Tank 4F0121403M – Behr 376737141

Audi Expansion Tank 4F0121403M – Behr 376737141

MAHLE BEHR
Disponibilidad:
Agotado
SKU 376737141
Agotado
$28.93 - $28.93
$28.93
$28.93 - $28.93
$28.93
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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.

Your vehicle’s engine coolant recovery tank, or expansion tank, stores excess pressure and coolant as your radiator heats up. The reservoir helps keep your radiator full at all times and makes the radiator more efficient and effective. If your coolant is low, it may indicate a leak. Shops and dealers can use a pressure tester to check the system for smaller hard to find leaks. If your recovery tank is damaged, replace it immediately to avoid a catastrophic cooling system failure.

Brand Part #
Brand Part #
Audi 4F0121403
Audi 4F0121403B
Audi 4F0121403F
Audi 4F0121403M
Audi 4F0121403N
Audi 4F0121403Q
Brand Part #
Audi 4F0121403
Audi 4F0121403B
Audi 4F0121403F
Audi 4F0121403M
Audi 4F0121403N
Audi 4F0121403Q

This part also goes by the following cross reference.

Cross Reference Part Number:

Fits These Vehicles 5 applications
Audi
Make Model Engine Years
Audi S6 5.2V10 2009–2011
Audi A6 Quattro 4.2V8 2005–2011
Audi A6 Quattro 3.0V6 2009–2011
Audi A6 3.2V6 2006–2011
Audi A6 Quattro 3.2V6 2005–2008

Fitment data last updated: 2026-06-30