Four Seasons 33278 A/C Receiver Drier

Four Seasons 33278 Filter Drier for Honda A/C Systems

Four Seasons 33278 is a new A/C receiver drier built for HVAC systems that need moisture control and refrigerant filtration. It fits select 1988-1991 Honda Civic and 1988-1991 Honda CRX applications, making it a direct-match option for common Honda A/C service work.

The Four Seasons Filter Drier line focuses on dependable refrigerant cleanup and system protection. This 33278 unit uses a steel body, male insert O-ring connections, and an integrated sight glass, with a switch port and gasket/seals included for the listed application.

Key Features

• Part number 33278
• Fits 1988-1991 Honda Civic and 1988-1991 Honda CRX
• Steel construction
• Male insert O-ring inlet and outlet fittings
• Desiccant included for moisture absorption
• Sight glass included
• Switch port included
• Meets or exceeds OEM requirements
• New, not remanufactured

Product Details

This receiver drier is part of Four Seasons’ Filter Drier line and is built for A/C systems that need stable refrigerant flow and moisture removal. The body measures 2.750 inches in diameter and 7.500 inches in length, with 3/8-inch inlet and outlet connections. It uses a male insert O-ring connector style and includes green O-rings for sealing. The desiccant is not replaceable, and the unit is supplied without a service port, mounting bracket, or pad mount.

For Honda Civic and Honda CRX A/C repair, Four Seasons 33278 provides a direct-fit replacement path for the listed 1988-1991 vehicles. This part cross-references UAC RD1103C and Dayco 71103 for the same application.

Common Problems This Part Helps Address

• Moisture contamination in the A/C system
• Reduced refrigerant filtration performance
• Visible system condition checks through the sight glass
• Leak concerns at worn O-ring connections
• Receiver drier replacement during A/C service on Honda Civic and Honda CRX models

Installation Notes and Tips

• Verify the 3/8-inch male insert O-ring inlet and outlet connections before installation.
• Replace sealing surfaces as needed and use the included green O-rings for the listed application.
• Inspect the surrounding A/C components for contamination before charging the system.
• Confirm fitment for 1988-1991 Honda Civic and 1988-1991 Honda CRX before ordering.
• Follow proper evacuation and recharge procedures after receiver drier replacement.

Quality Assurance

Four Seasons 33278 is a new replacement part that meets or exceeds OEM specifications for the listed applications. Its steel construction, desiccant charge, and OE-style connection design support consistent service on compatible Honda A/C systems.