Four Seasons 33312 A/C Receiver Drier

Four Seasons 33312 Filter Drier Overview

The Four Seasons 33312 A/C receiver drier is a steel filter drier built for HVAC systems that use a male insert O-ring connection and desiccant filtration. It is a new, OE-style replacement that meets or exceeds OEM requirements for service on factory air systems, including Ford E-150 Econoline, E-250 Econoline, and E-350 Econoline applications.

As part of the Four Seasons Filter Drier line, this receiver drier is focused on moisture control and refrigerant system cleanliness. The steel body, included seals, and male insert O-ring fittings support a direct replacement approach for vehicles that need dependable A/C moisture removal and contaminant capture.

Key Features

• Part number: 33312
• Four Seasons Filter Drier product line
• Steel filter drier construction
• Desiccant included for moisture absorption
• Male insert O-ring inlet and outlet connections
• New replacement part that meets or exceeds OEM specifications
• Gaskets/seals included
• No service port, switch port, sight glass, or fuse plug
• Washer not included

Detailed Description

The Four Seasons 33312 receiver drier is designed for A/C systems that require a steel-bodied filter drier with desiccant media to help maintain refrigerant system integrity. Its 2.500-inch body diameter and 9.000-inch overall length provide a compact service replacement format, while the male insert O-ring connector style supports factory-style HVAC connections. This part cross-references UAC RD7134C for the same application.

For fitment-focused searches, this part is commonly selected for 1975-1987 Ford E-150 Econoline, 1975-1987 Ford E-250 Econoline, and 1975-1987 Ford E-350 Econoline models with factory air. It also appears in Ford E-100 Econoline applications from 1975-1983. If you are searching for Four Seasons 33312 for Ford Econoline A/C repair, this receiver drier matches the listed factory-air applications and supports OE-style service replacement.

What It Helps Address

• Moisture contamination in the A/C refrigerant circuit
• Debris capture in the HVAC system
• Reduced cooling performance caused by a saturated receiver drier
• Service replacement needs on factory-air Ford Econoline vans
• Leak-prone aging drier housings and seals

Installation Notes and Tips

• Verify the vehicle uses the listed factory-air configuration before ordering.
• Inspect O-ring sealing surfaces and replace worn seals as needed during service.
• Confirm inlet and outlet connection style matches the existing system layout.
• Replace the receiver drier whenever the A/C system has been opened for major repair.
• Follow proper evacuation and recharge procedures after installation.

Quality Assurance

The Four Seasons 33312 is a new replacement part built to meet or exceed OEM specifications. Its steel construction, included seals, and desiccant-based design reflect the requirements of a service-grade receiver drier for factory-air Ford Econoline A/C systems.