Four Seasons 33660 A/C Receiver Drier

Four Seasons 33660 A/C Receiver Drier

Four Seasons 33660 is a steel A/C receiver drier built for HVAC systems that need moisture control, refrigerant filtration, and stable system performance. It is a new, OE-style replacement that meets or exceeds OEM requirements and includes a sight glass, pressure relief valve, switch port, and gasket/seals.

Compatible with 1990-1994 Saab 900 and 1990 Saab 9000, this receiver drier supports service work on Saab A/C systems that use 3/8 in. male insert O-ring and female O-ring connections. The Four Seasons Filter Drier line focuses on dependable refrigerant cleanup and moisture removal for repair and replacement applications.

Key Features

• Brand: Four Seasons Filter Drier
• Part number: 33660
• Steel body construction
• Desiccant included for moisture absorption
• Male insert O-ring inlet and female O-ring outlet
• 3/8 in. inlet and outlet sizing
• Sight glass included
• Pressure relief valve included
• Switch port included; service port not included
• Gasket/seals included
• Meets or exceeds OEM specifications
• New replacement part

Product Details

This receiver drier is used in the A/C refrigerant circuit to trap moisture and filter contaminants before they circulate through the system. The steel housing measures 2.500 in. in body diameter and 8.500 in. in body length, with a 0.625 in. inlet thread diameter and 0.250 in. switch port diameter. It uses a non-replaceable desiccant and does not include a moisture indicator window or fuse plug. For buyers searching for a Four Seasons 33660 receiver drier for Saab 900 or Saab 9000 A/C repair, this part provides the core filtration and moisture-removal function expected in a direct replacement filter drier.

This part cross-references UAC RD8204C and Standard Ignition 27884 for the same application.

Common Problems It Can Address

• Moisture buildup inside the A/C system
• Contaminant circulation through refrigerant lines
• Poor cooling performance caused by restricted or saturated drier media
• Service issues related to aging receiver drier components
• Leak-prone sealing surfaces on worn A/C connections

Installation Notes

• Verify inlet and outlet connection style before installation: male insert O-ring to female O-ring.
• Replace O-rings and seals during A/C service to maintain system integrity.
• Inspect the switch port and surrounding fittings for wear or damage before assembly.
• Evacuate and recharge the system according to factory service procedures after installation.
• Confirm fitment for 1990-1994 Saab 900 and 1990 Saab 9000 before ordering.

Quality Assurance

Four Seasons 33660 is built as a new replacement receiver drier that meets or exceeds OEM requirements. The Four Seasons Filter Drier line is specified for HVAC service applications where moisture control, filtration, and correct O-ring sealing are required.