Four Seasons 33466 A/C Receiver Drier

Four Seasons 33466 Filter Drier Overview

Four Seasons 33466 is a steel A/C receiver drier built for HVAC systems that use a male insert O-ring connection and a service port. It includes a moisture indicator window, desiccant, and a switch port, making it a practical replacement for restoring refrigerant system protection and flow control.

Compatible With applications that call for a 3/8 in. inlet and outlet receiver drier, this Four Seasons Filter Drier line is used in A/C systems where moisture removal and refrigerant conditioning are critical. The 33466 part number is also referenced in cross-application catalogs for select Monroe Shocks & Struts and UAC listings.

Key Features

• Steel filter drier construction for HVAC A/C service
• Male insert O-ring inlet and outlet fittings
• Built-in desiccant for moisture control
• Moisture indicator window for visual system checks
• Service port and switch port included in the design
• Pressure relief valve provision
• Meets or exceeds OEM requirements
• New replacement part, not remanufactured

Detailed Product Description

The Four Seasons Filter Drier brand line focuses on A/C filtration and moisture management components for automotive HVAC systems. Part number 33466 is a steel receiver drier with a 3.000 in. body diameter and 10.000 in. overall length, using 3/8 in. inlet and outlet connections with male insert O-ring fittings. It also includes a moisture indicator window, gasket/seals, and a switch port, which supports service diagnostics during A/C repair.

This receiver drier is used in systems that require refrigerant drying and contaminant capture after component replacement or system opening. Four Seasons 33466 is listed with interchange references including Monroe Shocks & Struts 173025 and UAC RD8238C, RD9146C, and RD9903C for the same application family. Fits 2006-2011 Honda Civic, front right is not listed in the provided fitment data, so vehicle-specific confirmation should be matched to the exact application catalog before ordering. For search relevance, buyers often reference Four Seasons 33466 when sourcing an A/C receiver drier for HVAC service on Honda Civic, Ford F-150, or Chevrolet Silverado applications, but only catalog-confirmed fitment should be used for installation.

Common Problems This Part Addresses

• Moisture contamination in the A/C refrigerant circuit
• Reduced cooling performance after system service
• Debris accumulation in the HVAC refrigerant path
• Faulty or aging receiver drier housing
• Need for a replacement drier with a service port and indicator window

Installation Notes and Tips

Replace the receiver drier whenever the A/C system has been opened for major service, compressor replacement, or contamination cleanup. Verify the inlet and outlet sizes, O-ring style, and switch port requirements before installation. Use the correct green O-rings listed for the application, evacuate the system properly, and recharge with the specified refrigerant and oil type after installation.

Quality Assurance

Four Seasons 33466 is a new steel receiver drier that meets or exceeds OEM requirements. Its desiccant, moisture indicator window, and service-port-equipped design support standard automotive A/C repair practices.