OE Quality
60-Day Returns

Universal Air EX10454C A/C Expansion Valve
Overview of Universal Air Block Expansion Valve EX10454C
The Universal Air Block Expansion Valve EX10454C is designed specifically for Mercedes-Benz S400 models. This A/C expansion valve plays a critical role in regulating refrigerant flow within the vehicle's air conditioning system, ensuring optimal cooling performance.
- Compatible with Mercedes-Benz S400 vehicles
- Part number EX10454C for precise identification
- Part of the Universal Air Block Expansion Valve product line
- Category: HVAC > A/C Flow Restrictors
- Ensures efficient refrigerant flow control in A/C systems
About the Block Expansion Valve Product Line
The Block Expansion Valve line by Universal Air focuses on providing reliable A/C expansion valves that regulate refrigerant flow accurately. This product line is engineered to meet the specific requirements of various vehicle models, including the Mercedes-Benz S400, ensuring compatibility and consistent HVAC system performance.
Product Description and Function
The EX10454C A/C expansion valve controls the amount of refrigerant entering the evaporator in the Mercedes-Benz S400's air conditioning system. By maintaining proper refrigerant flow, it helps prevent issues such as evaporator freezing or insufficient cooling. This valve is a vital component for maintaining the HVAC system's efficiency and comfort inside the vehicle cabin.
Common Issues Addressed by This Expansion Valve
- Inconsistent or weak air conditioning cooling
- Evaporator freezing due to improper refrigerant flow
- Fluctuating cabin temperatures
- Reduced HVAC system efficiency
- Potential compressor damage from incorrect refrigerant pressure
Installation Notes and Tips
- Ensure compatibility with Mercedes-Benz S400 before installation
- Follow manufacturer guidelines for refrigerant handling and system evacuation
- Inspect related HVAC components for wear or damage during replacement
- Use proper tools to avoid damage to the valve or surrounding parts
- Test the A/C system after installation to confirm proper operation
Quality Assurance and Warranty
The Universal Air Block Expansion Valve EX10454C is manufactured to meet industry standards for durability and performance. While specific warranty details are not provided, Universal Air products typically undergo quality control processes to ensure reliability in automotive HVAC applications.
This part fits 4 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2013 | Mercedes-Benz | S400 | N/A | Block Expansion Valve |
| 2012 | Mercedes-Benz | S400 | N/A | Block Expansion Valve |
| 2011 | Mercedes-Benz | S400 | N/A | Block Expansion Valve |
| 2010 | Mercedes-Benz | S400 | N/A | Block Expansion Valve |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.