Skip to content
Audi VW Engine Coolant Reservoir 1K0121407A – Behr
Audi VW Engine Coolant Reservoir 1K0121407A – Behr
Audi VW Engine Coolant Reservoir 1K0121407A – Behr
Audi VW Engine Coolant Reservoir 1K0121407A – Behr

Audi VW Engine Coolant Reservoir 1K0121407A – Behr

MAHLE BEHR
Availability:
in stock, ready to be shipped
SKU 376705801
$69.39 - $69.39
$69.39
$69.39 - $69.39
$69.39
Rewards
EARN REWARD POINTS
Purchasing this product will earn you 345 points to redeem on future purchases. Check your points.

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.

The Behr Engine Coolant Reservoir (1K0121407A) is a high-quality replacement coolant expansion tank for select Audi and Volkswagen models. It stores excess coolant under pressure, helping to keep the radiator full and preventing overheating. Manufactured by MAHLE BEHR, an OE supplier, this reservoir offers a direct fit and durable construction to match or exceed OEM standards.

Key Features & Benefits

  • OE Quality: Behr is an original equipment manufacturer for many European automakers, ensuring perfect fit and function.
  • Direct Replacement: Designed to replace the factory coolant reservoir without modifications.
  • Durable Construction: Made from high-grade plastic to withstand engine heat and pressure cycling.
  • Prevents Overheating: Maintains proper coolant level in the radiator for efficient cooling.

Vehicle Fitment

Make Model Years Engine
Volkswagen Tiguan 2014–2015 2.0L4
Volkswagen CC 2009–2015 2.0L4
Volkswagen Passat 2012–2014 2.5L5
Volkswagen Passat 2014 1.8L4
Volkswagen Passat 2006–2010 2.0L4
Volkswagen Passat 2006–2008 3.6V6
Volkswagen Jetta 2005–2010 2.0L4
Volkswagen Jetta 2014 2.0L4
Volkswagen Jetta 2005 1.8L4
Volkswagen Beetle 2012–2014 2.0L4
Volkswagen Beetle 2014 1.8L4
Volkswagen Golf 2010–2013 2.0L4
Volkswagen GTI 2006–2013 2.0L4
Audi A3 2006–2012 2.0L4
Volkswagen Rabbit 2006–2009 2.5L5
Audi TT 2008–2009 2.0L4
Volkswagen Jetta 2005–2006 1.9L4

Technical Specifications

Part Number 1K0121407A
OEM Cross-Reference 376705801
Material Reinforced Plastic

Installation Notes

Direct replacement; drain cooling system, remove old reservoir, and install new one. Refill and bleed coolant system.

About MAHLE BEHR

MAHLE BEHR is a leading OE supplier of thermal management and engine components for European vehicles, known for precision engineering and reliability.

This part also goes by the following cross reference.

Cross Reference Part Number: 11427542267

Fits These Vehicles 26 applications
Audi
Make Model Engine Years
No vehicles listed for this group.
Volkswagen
Make Model Engine Years
No vehicles listed for this group.