Four Seasons 33527 A/C Receiver Drier

Four Seasons 33527 Filter Drier Overview

Four Seasons 33527 is a steel A/C receiver drier built for HVAC systems that need moisture control and refrigerant filtration. This Filter Drier line is used in automotive air conditioning service where stable system performance and clean refrigerant flow matter.

Compatible With applications that use a 3/8 in. male insert O-ring inlet and 3/8 in. female O-ring outlet, this receiver drier includes a desiccant charge, service port, switch port, and fuse plug. It meets or exceeds OEM requirements and is a direct replacement reference for select import and domestic A/C systems, including Honda Civic and Toyota Corolla applications where this style is specified.

Key Features

• Steel-bodied A/C receiver drier for HVAC refrigerant circuit service
• Part number 33527 from Four Seasons Filter Drier line
• Male insert O-ring inlet and female O-ring outlet
• 3/8 in. inlet and outlet connections
• Desiccant included; desiccant is not replaceable
• Service port and switch port included in the housing design
• Fuse plug included
• Meets or exceeds OEM specifications
• New replacement part with included seals and green O-rings

Detailed Description

Four Seasons 33527 is a steel A/C receiver drier designed to remove moisture and trap contaminants in the air conditioning system. The desiccant helps protect the compressor, expansion device, and other HVAC components from internal corrosion and refrigerant contamination. With a 3.000 in. body diameter and 6.500 in. body length, this unit follows the common receiver drier format used in many automotive A/C service applications.

This part number 33527 is listed with male insert O-ring inlet and female O-ring outlet connections, plus a service port and switch port for system-specific integration. It is a direct-fit style replacement for vehicles using this configuration, including select Honda Civic and Toyota Corolla applications. This part cross-references UAC RD10084C for the same application.

Common Problems It Can Address

• Moisture buildup inside the A/C system
• Contaminant circulation through the refrigerant loop
• Reduced cooling performance from a saturated drier
• Corrosion risk in internal HVAC components
• Service issues on systems requiring a receiver drier with switch and service ports

Installation Notes and Tips

Replace the receiver drier whenever the A/C system has been opened for service, after compressor replacement, or when contamination is suspected. Verify inlet and outlet connection style, port locations, and body dimensions before installation. Always replace O-rings with the included seals, evacuate the system properly, and recharge with the correct refrigerant and oil specification for the vehicle.

For fitment-based searches, this part is commonly referenced for Fits 2006-2011 Honda Civic and Fits 2003-2008 Toyota Corolla, with application details depending on the exact HVAC configuration.

Quality Assurance

Four Seasons 33527 is a new replacement receiver drier that meets or exceeds OEM requirements. The steel construction, integrated desiccant, and included seals support reliable A/C service on the specified applications.