Denso 478-2063 A/C Receiver Drier

Denso New Receiver Drier 478-2063

Denso New Receiver Drier 478-2063 is an A/C receiver drier built for Mercedes-Benz ML-Class applications that need stable refrigerant flow and moisture control. It helps support smooth, surge-free air conditioning performance while protecting internal A/C components from corrosion.

Key Features

• Aluminum body construction for HVAC service applications
• Block union design with female inlet and female outlet fittings
• Desiccant package helps isolate moisture from the A/C system
• Supports liquid and vapor refrigerant management in the receiver-drier circuit
• Built to Denso First Time Fit standards for OE-style replacement

Product Details

Denso’s New Receiver Drier line focuses on restoring proper A/C system function after major service. Part number 478-2063 is engineered to manage refrigerant flow while removing moisture that can lead to corrosion, internal wear, and premature leaks. For Mercedes-Benz ML350, ML500, ML320, ML55 AMG, and ML430 models, this receiver drier is a direct service replacement for the factory-style HVAC layout.

This part cross-references Four Seasons 83300 for the same application. It is also listed against Mercedes-Benz OE reference 163 830 00 83.

What It Helps Address

• Weak or inconsistent A/C cooling after system service
• Moisture contamination inside the refrigerant circuit
• Corrosion-related wear in HVAC components
• Pressure instability caused by poor refrigerant management
• Leaks associated with aged or saturated receiver driers

Installation Notes

Replace the receiver drier during major A/C service, especially when the system has been opened for repairs. Verify fitment by model and year before installation. Compatible With 1998-2003 Mercedes-Benz ML320, 1999-2001 Mercedes-Benz ML430, 2000-2003 Mercedes-Benz ML55 AMG, 2002-2005 Mercedes-Benz ML500, and 2003-2005 Mercedes-Benz ML350.

Quality Assurance

Denso manufactures this receiver drier to stringent factory standards as part of its First Time Fit component line, supporting OE-style performance and efficiency for Mercedes-Benz ML-Class A/C service.