Four Seasons 83251 A/C Receiver Drier

Four Seasons 83251 A/C Receiver Drier

Four Seasons 83251 is an aluminum A/C receiver drier built for Mercedes-Benz S-Class applications that use a female O-ring connection and switch-port configuration. It is a direct-fit HVAC service part for restoring refrigerant system protection and moisture control in the A/C circuit.

The Four Seasons Filter Drier line focuses on OE-style replacement components for automotive air conditioning systems. This receiver drier follows the original-style layout with a 3.000-inch body diameter, 7.375-inch overall length, included gaskets/seals, and no service port or sight glass.

Key Features

• Part number 83251 from Four Seasons Filter Drier
• Aluminum receiver drier construction
• Female O-ring inlet and outlet connections
• Desiccant included to absorb moisture in the A/C system
• Switch port included; no service port
• Washer not included
• Meets or exceeds OEM requirements
• Fits Mercedes-Benz S320, S420, S430, S500, and S600 applications listed below

Detailed Description

This A/C receiver drier is used in the refrigerant circuit to help remove moisture and trap contaminants before they circulate through the system. The aluminum body and female O-ring fittings support a factory-style installation on compatible Mercedes-Benz S-Class vehicles, including 1997-1999 Mercedes-Benz S320, 1996-1999 Mercedes-Benz S420, 1999 Mercedes-Benz S430, 1996 Mercedes-Benz S500, and 1996 Mercedes-Benz S600. If you are replacing a leaking or saturated receiver drier, Four Seasons 83251 provides the correct style for these applications.

This part cross-references UAC RD1346C for the same application.

What It Helps Fix

• Moisture contamination in the A/C refrigerant circuit
• Reduced cooling performance caused by a saturated desiccant
• Contamination buildup in the receiver/drier section of the system
• Leaks at worn female O-ring connections
• Service issues on Mercedes-Benz S320, S420, S430, S500, and S600 A/C systems

Installation Notes and Tips

Replace the receiver drier whenever the A/C system has been opened for service, after compressor failure, or when moisture contamination is suspected. Verify female O-ring connection size, switch-port layout, and body dimensions before installation. Use new seals during assembly and evacuate the system properly before recharging refrigerant.

Quality Assurance

Four Seasons lists this receiver drier as meeting or exceeding OEM requirements for the specified applications. The part number is 83251.