Four Seasons 33700 A/C Receiver Drier

Mercedes-Benz A/C Receiver Drier

Four Seasons 33700 is an aluminum A/C receiver drier built for HVAC systems that use a female O-ring connection and a service port. It is listed as an OE-style replacement for select Mercedes-Benz CLK and C-Class applications, including Mercedes-Benz CLK430, CLK320, CLK55 AMG, C230, C280, C43 AMG, C220, and C36 AMG.

The Four Seasons Filter Drier line focuses on moisture control and refrigerant system protection. This receiver drier uses desiccant media, includes seals, and meets or exceeds OEM requirements for the listed applications.

Key Features

• Four Seasons part number 33700
• Aluminum receiver drier construction
• Female O-ring inlet and outlet fittings
• Desiccant-equipped filter drier design
• Service port and switch port included
• PRV-equipped design
• Meets or exceeds OEM specifications
• Fits Mercedes-Benz CLK430, CLK320, CLK55 AMG, C230, C280, C43 AMG, C220, and C36 AMG applications

Detailed Description

Four Seasons 33700 is an A/C receiver drier designed for Mercedes-Benz HVAC systems that require a female O-ring style connection. The aluminum body measures 3.000 inches in diameter and 6.750 inches in length, with 3/8-inch inlet and outlet fittings. It also includes a switch port and service port, along with a pressure relief valve and included seals for the listed applications.

This Filter Drier product line is built around refrigerant moisture removal and system cleanliness. By using desiccant media inside the receiver drier, the unit helps maintain proper A/C system operation in Mercedes-Benz CLK430, CLK320, CLK55 AMG, C230, C280, C43 AMG, C220, and C36 AMG models. Four Seasons 33700 is a direct-fit style replacement for the specified vehicles and cross-references UAC RD10020C and Dayco 71253 for the same application.

What It Helps Address

• Moisture contamination in the A/C refrigerant circuit
• Reduced cooling performance caused by a saturated receiver drier
• Debris management in the HVAC system
• Service issues related to worn or leaking O-ring connections
• Replacement needs on Mercedes-Benz CLK and C-Class A/C systems

Installation Notes

Verify the inlet and outlet fitting style, body dimensions, and port locations before installation. Replace the receiver drier whenever the A/C system has been opened for service, and inspect the O-rings and sealing surfaces during reassembly. Proper evacuation and recharge procedures are required after installation to restore system performance.

Quality Assurance

Four Seasons 33700 is listed as meeting or exceeding OEM requirements for the applications shown. The part is built as an OE-style replacement for Mercedes-Benz HVAC service work and is intended to match the original fitment and connection style for the covered vehicles.