Four Seasons 33423 A/C Receiver Drier

Four Seasons 33423 Filter Drier Overview

Four Seasons 33423 is a steel A/C receiver drier built for Mercedes-Benz HVAC systems that use male insert O-ring connections and a switch port. It includes desiccant, a sight glass, and a fuse plug to support refrigerant system protection and service diagnostics.

As part of the Four Seasons Filter Drier line, this receiver drier is a direct-fit style replacement for select Mercedes-Benz E-Class and 300-series applications, including Mercedes-Benz E320, E420, E500, 300E, and 300TE models.

Key Features

• Steel receiver drier construction
• Male insert O-ring inlet and outlet fittings
• 3/8 in. inlet and outlet connections
• Desiccant included; not replaceable
• Sight glass for visual refrigerant inspection
• Fuse plug and switch port included
• Gaskets/seals included
• Meets or exceeds OEM requirements
• New replacement part

Detailed Description

The Four Seasons 33423 A/C receiver drier is designed to remove moisture and trap contaminants in the air conditioning circuit, helping protect the compressor, expansion device, and other HVAC components. Its steel body measures 3.000 inches in diameter and 7.000 inches in overall length, with male insert O-ring inlet and outlet fittings sized at 3/8 inch. The unit also includes a sight glass and switch port, making it a practical replacement for Mercedes-Benz systems that call for this configuration.

This part cross-references Monroe Shocks & Struts 172560 for the same application. It is a fitment-based replacement for Mercedes-Benz E320, E420, E500, 300CE, 300D, 300E, 300TE, 400E, 500E, 260E, and 300TD applications listed below. Four Seasons 33423 is also referenced by OE numbers 124-830-00-83 and 124-830-01-83 on select Mercedes-Benz E320 models.

Vehicle Fitment

• Fits 1995 Mercedes-Benz E320, N/A; w/ OE No. 124-830-00-83; w/ OE No. 124-830-01-83; Filter Drier
• Fits 1994-1995 Mercedes-Benz E420, N/A; Filter Drier
• Fits 1994 Mercedes-Benz E320, N/A; Filter Drier
• Fits 1994 Mercedes-Benz E500, N/A; Filter Drier
• Fits 1988-1993 Mercedes-Benz 300CE, N/A; Filter Drier
• Fits 1990-1993 Mercedes-Benz 300D, N/A; Filter Drier
• Fits 1987 Mercedes-Benz 300D, N/A; Filter Drier
• Fits 1986-1993 Mercedes-Benz 300E, N/A; Filter Drier
• Fits 1988-1993 Mercedes-Benz 300TE, N/A; Filter Drier
• Fits 1992-1993 Mercedes-Benz 400E, N/A; Filter Drier
• Fits 1992-1993 Mercedes-Benz 500E, N/A; Filter Drier
• Fits 1987-1989 Mercedes-Benz 260E, N/A; Filter Drier
• Fits 1987 Mercedes-Benz 300TD, N/A; Filter Drier

Installation Notes and Tips

• Replace the receiver drier whenever the A/C system has been opened for service.
• Verify inlet and outlet fitting style, thread diameter, and switch port configuration before installation.
• Use the included O-rings and seals during assembly.
• Inspect the system for contamination and evacuate the refrigerant circuit before charging.
• Confirm the vehicle uses the listed Mercedes-Benz application and OE reference before ordering.

Quality Assurance

Four Seasons 33423 is a new steel filter drier that meets or exceeds OEM requirements. The design includes desiccant, a fuse plug, a sight glass, and sealed connections for service-ready replacement in supported Mercedes-Benz HVAC applications.