DENSO 6N0-820-679 D A/C Expansion Valve

The DENSO 6N0-820-679 D is a precision-engineered expansion valve designed for automotive air conditioning systems. As a critical component in the A/C refrigeration cycle, this expansion valve regulates the flow of refrigerant from the high-pressure condenser to the low-pressure evaporator, creating the pressure drop necessary for effective cooling performance.

Key Features:

• OEM-quality construction manufactured by DENSO, a leading global automotive components supplier
• Controls refrigerant flow rate and pressure drop for optimal evaporator efficiency
• Regulates evaporator output temperature to maintain consistent cooling performance
• Located downstream of the receiver drier in the A/C system
• Precision component designed to meet original equipment specifications

This expansion valve receives filtered refrigerant in liquid form and reduces its pressure before entry into the evaporator. The resulting pressure drop cools the refrigerant, which is then sprayed into the evaporator where it absorbs heat from the cabin air. By metering the precise amount of refrigerant entering the evaporator, this valve ensures efficient system operation and prevents potential compressor damage from liquid refrigerant return.

Alternate Part Numbers: 475-2013, 4752013, 6N0820679D, replaces 6N0-820-679-A and 6N0-820-679-C