Four Seasons 33376 A/C Receiver Drier

Four Seasons 33376 A/C Receiver Drier

Four Seasons 33376 is an aluminum A/C receiver drier built for Mercedes-Benz HVAC systems that use 3/8 in. female O-ring inlet and outlet connections. It includes a sight glass, switch port, pressure relief valve, and gasket/seals to support service on select Mercedes-Benz S-Class and CL-Class applications.

Key Features

• Aluminum filter drier construction for automotive A/C service
• Female O-ring inlet and outlet fittings, 3/8 in. inlet and outlet diameter
• Built-in desiccant to help remove moisture from the refrigerant circuit
• Sight glass for visual system inspection
• Switch port with 0.250 in. diameter
• Pressure relief valve included
• Meets or exceeds OEM requirements
• Style: aluminum filter drier without pad mount

Product Details

This Four Seasons Filter Drier line focuses on OE-style HVAC service parts for refrigerant systems that need moisture control and clean flow through the A/C circuit. Part number 33376 uses a non-replaceable desiccant element inside a 3.000 in. diameter, 7.500 in. long aluminum body, with female O-ring connectors and included seals for a secure connection. This part cross-references Wix 49112 for the same application. It is a direct service choice for Mercedes-Benz S500, S600, S320, S350, S420, S600L, 300SD, 300SE, 400SE, 400SEL, 500SEC, 500SEL, and 600SEC applications listed below.

Common A/C Issues This Part Addresses

• Moisture contamination in the refrigerant system
• Reduced A/C cooling performance from a restricted or saturated drier
• Visible refrigerant condition checks through the sight glass
• Service replacement for worn or aging Mercedes-Benz HVAC components
• Pressure management support through the integrated relief valve

Fitment

• Fits 1997-2000 Mercedes-Benz S500, N/A
• Fits 1994-1995 Mercedes-Benz S500, N/A
• Fits 1998-1999 Mercedes-Benz CL500, N/A
• Fits 1998-1999 Mercedes-Benz CL600, N/A
• Fits 1997-1999 Mercedes-Benz S600, N/A
• Fits 1994-1995 Mercedes-Benz S600, N/A
• Fits 1994-1996 Mercedes-Benz S320, N/A
• Fits 1994-1995 Mercedes-Benz S350, N/A
• Fits 1994-1995 Mercedes-Benz S420, N/A
• Fits 1995 Mercedes-Benz S600L, N/A
• Fits 1992-1993 Mercedes-Benz 300SD, N/A
• Fits 1992-1993 Mercedes-Benz 300SE, N/A
• Fits 1993 Mercedes-Benz 400SEL, N/A
• Fits 1993 Mercedes-Benz 500SEC, N/A
• Fits 1992-1993 Mercedes-Benz 500SEL, N/A
• Fits 1993 Mercedes-Benz 600SEC, N/A
• Fits 1992-1993 Mercedes-Benz 600SEL, N/A
• Fits 1992 Mercedes-Benz 400SE, N/A

Installation Notes

Replace the receiver drier whenever the A/C system has been opened for service, and verify the inlet and outlet O-ring style before installation. Confirm the switch port and sight glass orientation match the vehicle’s original layout, and evacuate the system before recharging to help protect the desiccant and refrigerant circuit.

Quality Assurance

Four Seasons lists this part as meeting or exceeding OEM requirements for the specified applications. The aluminum construction, OE-style fittings, and included seals support accurate replacement on Mercedes-Benz HVAC systems.