Mercedes Expansion Valve - Denso 163830008439

Product Information

An A/C expansion valve's primary function is to regulate the flow of refrigerant into the evaporator, where it absorbs heat and cools the air inside the vehicle. The expansion valve reduces the pressure of the refrigerant, allowing it to expand and cool before it enters the evaporator coils. This process is essential for efficient cooling and overall performance of the A/C system.

• Poor Cooling Performance: One of the most common symptoms of a failing expansion valve is reduced cooling efficiency. The air coming from the vents may not be as cold as expected, even when the A/C system is running
• Frost or Ice Build-Up: If the expansion valve is stuck open, too much refrigerant may enter the evaporator, leading to excessive cooling and ice formation on the evaporator coils. This can cause airflow restrictions and further decrease cooling efficiency

About Denso

Denso has taken everything learned from being an OEM manufacturer and applied it to their aftermarket product line. Every component that Denso manufactures and distributes in their factories has been designed with precision and always manufactured to OEM specifications and subjected to rigorous safety and performance tests to stand up to all driving conditions.

All of Denso's factories are ISO and TS16969 certified worldwide which is just one of the many reasons Denso has zero defects for parts produced in the millions. Denso was a recipient of the prestigious Deming Award for quality and they've spent over five decades perfecting their technology and processes. The Original Equipment standard quality and reliability of DENSO aftermarket parts add up to a tremendous value for their customer and FCP is proud to be a supplier of Denso replacement automotive parts.