Universal Air EX10551C A/C Expansion Valve
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Universal Air
 Block Expansion Valve

Universal Air EX10551C A/C Expansion Valve

Brand Universal Air EX10551C
Product line Block Expansion Valve
Fits Mercedes-Benz and INFINITI · 41 vehicles

Block expansion valve. Regulates refrigerant flow in the A/C system.

A/C expansion valve. Controls refrigerant metering for efficient cooling.

$26.26Free shipping
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Block Expansion Valve for Select Mercedes-Benz and INFINITI Models

The Universal Air Block Expansion Valve, part number EX10551C, is an A/C flow restrictor built for specific Mercedes-Benz and INFINITI applications. It is used in HVAC systems that require a block-style expansion valve for proper refrigerant metering.

Key Features

  • Universal Air Block Expansion Valve
  • Part number EX10551C
  • Fits select Mercedes-Benz GLA250, CLA250, GLA45 AMG, CLA45 AMG, B250, B250e, and B Electric Drive applications
  • Fits select INFINITI QX30 applications
  • Block-style A/C expansion valve for HVAC refrigerant flow control

Detailed Description

Universal Air EX10551C is a block expansion valve for automotive air conditioning systems that use this style of flow control. It is listed for 2013-2020 Mercedes-Benz and INFINITI vehicles, including Fits 2014-2020 Mercedes-Benz GLA250, N/A; Fits 2017-2019 INFINITI QX30, N/A; Fits 2013-2019 Mercedes-Benz CLA250, N/A; Fits 2014-2019 Mercedes-Benz GLA45 AMG, N/A; Fits 2013-2018 Mercedes-Benz B250, N/A; Fits 2014-2018 Mercedes-Benz CLA45 AMG, N/A; Fits 2016-2017 Mercedes-Benz B250e, N/A; and Fits 2014-2015 Mercedes-Benz B Electric Drive, N/A. If you are replacing a Mercedes-Benz CLA250 expansion valve or sourcing an EX10551C A/C expansion valve for a compatible INFINITI QX30 HVAC system, this part matches the listed applications.

What It Helps Address

  • Incorrect refrigerant metering through the evaporator circuit
  • Weak or inconsistent cabin cooling
  • A/C performance issues tied to a worn block expansion valve
  • HVAC system service on listed Mercedes-Benz and INFINITI models

Installation Notes and Tips

Verify the vehicle year, make, and model against the fitment list before ordering. Confirm that the system uses a block expansion valve configuration and inspect related A/C components during service. Proper evacuation, leak checking, and refrigerant recharge procedures should be followed after replacement.

Quality Assurance

Universal Air EX10551C is cataloged for direct fitment on the listed vehicles and applications. Cross-reference part numbers were not provided for this item.

Related reading

This part fits 41 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelFuel TypePositionNotes
2020Mercedes-BenzGLA2504MaticFLEXN/ABlock Expansion Valve
2020Mercedes-BenzGLA250BaseGASN/ABlock Expansion Valve
2020Mercedes-BenzGLA250BaseFLEXN/ABlock Expansion Valve
2020Mercedes-BenzGLA2504MaticGASN/ABlock Expansion Valve
2019INFINITIQX30——N/ABlock Expansion Valve
2019Mercedes-BenzCLA250——N/ABlock Expansion Valve
2019Mercedes-BenzGLA250——N/ABlock Expansion Valve
2019Mercedes-BenzGLA45 AMG——N/ABlock Expansion Valve
2018INFINITIQX30——N/ABlock Expansion Valve
2018Mercedes-BenzB250——N/ABlock Expansion Valve
2018Mercedes-BenzCLA250——N/ABlock Expansion Valve
2018Mercedes-BenzCLA45 AMG4Matic—N/ABlock Expansion Valve
2018Mercedes-BenzGLA250——N/ABlock Expansion Valve
2018Mercedes-BenzGLA45 AMG——N/ABlock Expansion Valve
2017INFINITIQX30——N/ABlock Expansion Valve
2017Mercedes-BenzB250——N/ABlock Expansion Valve
2017Mercedes-BenzB250e——N/ABlock Expansion Valve
2017Mercedes-BenzCLA250——N/ABlock Expansion Valve
2017Mercedes-BenzCLA45 AMG——N/ABlock Expansion Valve
2017Mercedes-BenzGLA250——N/ABlock Expansion Valve
2017Mercedes-BenzGLA45 AMG——N/ABlock Expansion Valve
2016Mercedes-BenzB250——N/ABlock Expansion Valve
2016Mercedes-BenzB250e——N/ABlock Expansion Valve
2016Mercedes-BenzCLA250——N/ABlock Expansion Valve
2016Mercedes-BenzCLA45 AMG——N/ABlock Expansion Valve
2016Mercedes-BenzGLA250——N/ABlock Expansion Valve
2016Mercedes-BenzGLA45 AMG——N/ABlock Expansion Valve
2015Mercedes-BenzB Electric Drive——N/ABlock Expansion Valve
2015Mercedes-BenzB250——N/ABlock Expansion Valve
2015Mercedes-BenzCLA250——N/ABlock Expansion Valve
2015Mercedes-BenzCLA45 AMG——N/ABlock Expansion Valve
2015Mercedes-BenzGLA250——N/ABlock Expansion Valve
2015Mercedes-BenzGLA45 AMG——N/ABlock Expansion Valve
2014Mercedes-BenzB Electric Drive——N/ABlock Expansion Valve
2014Mercedes-BenzB250——N/ABlock Expansion Valve
2014Mercedes-BenzCLA250——N/ABlock Expansion Valve
2014Mercedes-BenzCLA45 AMG——N/ABlock Expansion Valve
2014Mercedes-BenzGLA250——N/ABlock Expansion Valve
2014Mercedes-BenzGLA45 AMG——N/ABlock Expansion Valve
2013Mercedes-BenzB250——N/ABlock Expansion Valve
2013Mercedes-BenzCLA250——N/ABlock Expansion Valve