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Audi VW Expansion Tank 1K0121407A – Hella 376702434

Audi VW Expansion Tank 1K0121407A – Hella 376702434

MAHLE BEHR
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Out of stock
SKU 376702434
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$14.03 - $14.03
$14.03
$14.03 - $14.03
$14.03
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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 Hella expansion tank (part 376702434) is a direct OE replacement for a wide range of Audi and Volkswagen models including Tiguan, Passat, Jetta, Beetle, CC, Eos, Golf, GTI, Rabbit, Q3, TT, A3, and Q5. It stores excess coolant and pressure to maintain optimal cooling system operation. Manufactured to OE specifications by Hella, it ensures a reliable, leak-free fit.

Key Features & Benefits

  • Extensive Fitment: Compatible with numerous VW and Audi models from 2009-2017.
  • OEM Reference: Cross-references part number 1K0121407A for a direct replacement.
  • Premium Quality: Built by Hella, a trusted name in automotive cooling and lighting.
  • Critical System Function: Prevents overheating by maintaining proper coolant level and pressure.
  • Easy Diagnosis: Low coolant indicates potential leaks; replace damaged tank immediately.

Vehicle Fitment

Make Model Years Engine
Volkswagen Tiguan 2009–2017 2.0L4
Volkswagen Passat 2012–2017 3.6V6
Volkswagen Passat 2014–2017 1.8L4
Volkswagen Passat 2009–2010 2.0L4
Volkswagen Passat 2012–2015 2.0L4
Volkswagen Passat 2012–2014 2.5L5
Volkswagen Jetta 2013–2017 1.4L4
Volkswagen Jetta 2009–2010 2.0L4
Volkswagen Jetta 2013–2015 2.0L4
Volkswagen Jetta 2017 2.0L4
Volkswagen Jetta 2014–2015 1.8L4
Volkswagen Jetta 2013–2014 2.5L5
Volkswagen Beetle 2014–2017 1.8L4
Volkswagen Beetle 2012–2015 2.0L4
Volkswagen Beetle 2012–2014 2.5L5
Volkswagen CC 2009–2015 2.0L4
Volkswagen Eos 2009–2016 2.0L4
Volkswagen Golf 2010–2014 2.0L4
Volkswagen GTI 2009–2013 2.0L4
Volkswagen Rabbit 2009 2.5L5
Audi Q3 2015–2017 2.0L4
Audi TT Quattro 2009–2015 2.0L4
Audi TT Quattro 2009 3.2V6
Audi TT 2009 2.0L4
Audi A3 2009–2013 2.0L4
Audi A3 Quattro 2009 3.2V6
Audi Q5 2010 3.2V6

Technical Specifications

Part Number 1K0121407A
Manufacturer Part Number 376702434
Material Reinforced plastic (factory spec)
Position Engine coolant expansion tank
Cross-Reference 1K0121407A

Installation Notes

Professional installation recommended; pressure test system after replacement.

About Hella (MAHLE BEHR)

Hella is a globally recognized automotive supplier known for high-quality lighting and cooling system components.

This part also goes by the following cross reference.

Cross Reference Part Number:

Fits These Vehicles 31 applications
MK5 Tiguan
Make Model Engine Years
Volkswagen Tiguan 2.0L4 2009–2017
MK5 Jetta
Make Model Engine Years
Volkswagen Jetta 2.0L4 2009–2010
Volkswagen Jetta 2.5L5 2009–2010
MK5 Rabbit
Make Model Engine Years
Volkswagen Rabbit 2.5L5 2009–2009
MK6 Jetta
Make Model Engine Years
Volkswagen Jetta 1.4L4 2013–2017
Volkswagen Jetta 2.0L4 2013–2015
Volkswagen Jetta 2.0L4 2017–2017
Volkswagen Jetta 1.8L4 2014–2015
Volkswagen Jetta 2.5L5 2013–2014
MK6 Golf
Make Model Engine Years
Volkswagen Golf 2.0L4 2010–2014
Volkswagen Golf 2.5L5 2010–2014
Volkswagen GTI 2.0L4 2009–2013
MK6 Beetle
Make Model Engine Years
Volkswagen Beetle 1.8L4 2014–2017
Volkswagen Beetle 2.0L4 2012–2015
Volkswagen Beetle 2.5L5 2012–2014
B6 Passat
Make Model Engine Years
Volkswagen Passat 2.0L4 2009–2010
NMS Passat
Make Model Engine Years
Volkswagen Passat 3.6V6 2012–2017
Volkswagen Passat 1.8L4 2014–2017
Volkswagen Passat 2.0L4 2012–2015
Volkswagen Passat 2.5L5 2012–2014
CC (B6 Passat based)
Make Model Engine Years
Volkswagen CC 2.0L4 2009–2015
Volkswagen CC 3.6V6 2009–2015
Eos (MK5 based)
Make Model Engine Years
Volkswagen Eos 2.0L4 2009–2016
8P A3
Make Model Engine Years
Audi A3 2.0L4 2009–2013
Audi A3 Quattro 3.2V6 2009–2009
Audi A3 Quattro 2.0L4 2009–2009
8J TT
Make Model Engine Years
Audi TT Quattro 2.0L4 2009–2015
Audi TT Quattro 3.2V6 2009–2009
Audi TT 2.0L4 2009–2009
8U Q3
Make Model Engine Years
Audi Q3 2.0L4 2015–2017
8R Q5
Make Model Engine Years
Audi Q5 3.2V6 2010–2010