Four Seasons 33211 A/C Receiver Drier

Four Seasons 33211 A/C Receiver Drier

Four Seasons 33211 is a steel A/C receiver drier for HVAC systems that need reliable refrigerant filtration and moisture control. This Filter Drier line is built for direct replacement service on classic Chevrolet, GMC, Pontiac, Buick, Cadillac, and Oldsmobile applications, including Camaro, Corvette, Impala, Firebird, and El Camino fitments.

Key Features

• Steel receiver drier construction for HVAC service
• Built-in desiccant to absorb moisture from the A/C system
• Female O-ring inlet and outlet connections
• Sight glass included for refrigerant condition checks
• Gaskets/seals included
• Meets or exceeds OEM requirements
• New part, not remanufactured
• Four Seasons 33211 part number for catalog and service matching

Product Details

The Four Seasons Filter Drier line focuses on replacement A/C filtration components that help maintain refrigerant cleanliness and system dryness. Part number 33211 uses a steel body with a 3.000-inch diameter and 8.500-inch length, plus 3/8-inch female O-ring inlet and outlet fittings. It also includes a sight glass and is supplied without a service port or switch port. This receiver drier is listed as a direct-fit style for a wide range of GM vehicles, including 1968-1973 Chevrolet Camaro, 1968-1972 Chevrolet Corvette, and 1968-1973 Pontiac Firebird applications.

This part cross-references UAC RD9273C for the same application.

Common Problems It Can Address

• Moisture contamination in the A/C refrigerant circuit
• Reduced cooling performance caused by restricted or contaminated refrigerant flow
• Service issues after compressor, condenser, or line replacement
• Visible refrigerant condition checks through the sight glass
• Leak concerns at worn O-ring connection points

Installation Notes and Tips

• Replace the receiver drier whenever the A/C system has been opened for major service.
• Inspect and replace O-rings as needed during installation; green O-rings are listed in the product data.
• Verify inlet and outlet connection style before ordering, especially on 1968-1973 Chevrolet and Pontiac A/C systems.
• Confirm fitment for your exact year and model, including Chevrolet Nova, Monte Carlo, and GMC P-series applications.
• Evacuate and recharge the system according to factory service procedures after installation.

Quality Assurance

Four Seasons 33211 is a new replacement receiver drier that meets or exceeds OEM specifications. The steel construction, desiccant charge, and included seals support proper A/C service on compatible Chevrolet, GMC, Pontiac, Buick, Cadillac, and Oldsmobile vehicles from 1968-1984.