Four Seasons 33420 A/C Receiver Drier

Four Seasons 33420 Filter Drier Overview

The Four Seasons 33420 is a steel A/C receiver drier built for HVAC systems that need moisture control and refrigerant filtration. It is a new, OE-style replacement that meets or exceeds OEM requirements and uses male insert O-ring connections for a direct-service fit on supported applications.

Compatible With 1982-1985 Nissan Sentra, 1983-1984 Nissan Pulsar NX, 1983 Nissan Pulsar, and 1982 Nissan 210, this receiver drier is a practical choice when servicing older Nissan air conditioning systems. The Four Seasons 33420 part number is also commonly searched as a replacement filter drier for these applications.

Key Features

• Steel filter drier construction for HVAC A/C service
• Male insert O-ring inlet and outlet fittings
• Desiccant included to absorb moisture in the system
• New unit that meets or exceeds OEM specifications
• Gaskets/seals included
• Switch port included; no service port, sight glass, or fuse plug
• Body diameter: 2.500 in. / 63.5 mm
• Body length: 8.000 in. / 203.2 mm

Product Details

Four Seasons Filter Drier line parts are used to help maintain refrigerant cleanliness and moisture control in automotive A/C systems. The 33420 receiver drier uses a steel body with male insert O-ring connectors and a built-in desiccant element, making it suitable for restoring proper HVAC function in supported Nissan applications. This part cross-references Monroe Shocks & Struts 172526 for the same application.

For buyers searching Four Seasons 33420 or a receiver drier for Nissan Sentra, Nissan Pulsar NX, Nissan Pulsar, or Nissan 210, this part provides the core filtration and moisture-removal function expected in an A/C service replacement.

Common A/C Problems This Part Addresses

• Moisture contamination in the refrigerant circuit
• Reduced A/C cooling performance from a saturated drier
• Debris or particulate buildup in the HVAC system
• Service replacement needs after A/C component repair
• Improper refrigerant flow caused by a worn receiver drier

Installation Notes

• Verify fitment by year, make, and model before installation.
• Replace O-rings and seals as needed during A/C service.
• Inspect mating fittings and lines for wear, corrosion, or contamination.
• Evacuate and recharge the system according to vehicle service procedures after installation.
• Confirm the switch port configuration matches the original part on the vehicle.

Quality Assurance

This Four Seasons 33420 receiver drier is a new replacement part built to meet or exceed OEM requirements. It is designed for direct-fit service on the listed Nissan applications and follows the construction and connection style expected for this A/C component.