Four Seasons 33397 A/C Receiver Drier

Four Seasons 33397 Filter Drier Overview

The Four Seasons 33397 A/C receiver drier is a steel filter drier built for HVAC systems that need moisture control and refrigerant filtration. It uses a desiccant core, male flare inlet and outlet fittings, and includes a sight glass and switch port for service-friendly system monitoring.

For technicians servicing Honda Civic or similar A/C systems, this Four Seasons 33397 receiver drier provides an OE-style replacement that meets or exceeds OEM requirements. It is a new steel filter drier with gasket/seals included and a fuse plug for added system protection.

Key Features

• Brand: Four Seasons Filter Drier line
• Part number: 33397
• Steel receiver drier construction
• Desiccant included for moisture removal
• Male flare inlet and outlet fittings
• Sight glass included for visual refrigerant inspection
• Switch port included; no service port
• Fuse plug included
• Meets or exceeds OEM specifications
• New part with gasket/seals included

Product Details

The Four Seasons 33397 is a steel A/C receiver drier used in automotive HVAC systems to help keep refrigerant clean and dry. Its 3.000-inch body diameter and 6.500-inch overall length provide a compact inline layout, while the 3/8-inch inlet and outlet flare fittings support direct replacement on applications that use this connection style. The desiccant is not replaceable, and the unit is supplied without a moisture indicator window.

This part cross-references Standard Ignition 27449 for the same application. If you are sourcing a replacement receiver drier for Honda Civic service work, verify the fitting style, switch port, and physical dimensions against the original unit before installation. The Four Seasons 33397 is also referenced under multiple aftermarket numbers, making it a practical choice for A/C repair and maintenance.

Common Problems It Can Help Address

• Moisture contamination in the A/C refrigerant circuit
• Reduced cooling performance caused by a saturated drier
• Debris buildup in the HVAC system
• Service issues related to worn or leaking receiver drier seals
• Replacement needs after compressor or system repair

Installation Notes and Tips

Confirm the inlet and outlet flare fitting size, body length, and switch port layout before ordering. Replace the receiver drier any time the A/C system has been opened for major service, and inspect the mating lines and seals for wear before assembly. Evacuate and recharge the system according to the vehicle service procedure after installation.

Compatible With select Honda Civic A/C applications where the original receiver drier matches the listed dimensions and fittings. Always compare the original part number, connector style, and mounting arrangement to ensure proper application. Four Seasons 33397 is also a useful reference when searching for a receiver drier for Honda Civic HVAC repair.

Quality Assurance

Four Seasons lists this part as meeting or exceeding OEM requirements. The steel construction, included desiccant, and sealed replacement format support consistent A/C system service on the specified application.