Four Seasons 33986 A/C Receiver Drier

Four Seasons 33986 A/C Receiver Drier

Four Seasons 33986 is a steel A/C receiver drier built for HVAC service on select Chevrolet and GMC P30/P2500/P3500 applications. It uses a desiccant charge, includes a sight glass and service port, and is made to meet or exceed OEM requirements for the listed vehicles.

Key Features

• Steel filter drier construction for A/C system service
• Desiccant included; desiccant is not replaceable
• Male insert O-ring inlet fitting with 3/8 in. inlet diameter
• Quick disconnect outlet with 1/4 in. outlet diameter
• Sight glass and one switch port included
• Gaskets/seals included; washer not included
• Mounting bracket not included
• Meets or exceeds OEM specifications
• Four Seasons Filter Drier line, part number 33986

Product Details

This Four Seasons Filter Drier is designed to remove moisture and contaminants from the refrigerant circuit in the A/C system. The steel body measures 2.500 in. in diameter and 6.500 in. in length, with a male insert O-ring inlet and quick disconnect outlet for the specified HVAC connections. The unit also includes a service port, sight glass, and one switch port, making it a direct replacement choice for maintenance on 1985-1995 Chevrolet and GMC truck applications. This part cross-references Monroe Shocks & Struts 172959 for the same application.

Vehicle Fitment

• Fits 1993-1995 GMC P3500, N/A; w/o Cab Equipment; Filter Drier
• Fits 1994 Chevrolet P30, N/A; OE No. 12546135, 15665139; Filter Drier
• Fits 1993 Chevrolet P30, N/A; w/o Cab Equipment; Filter Drier
• Fits 1985-1992 GMC P3500, N/A; Filter Drier
• Fits 1985-1989 GMC P2500, N/A; Filter Drier

Installation Notes

Verify inlet and outlet connection style, body dimensions, and switch-port requirements before installation. Replace O-rings and seals during A/C service, evacuate the system, and recharge with the correct refrigerant and oil specification for the vehicle. Confirm fitment on Chevrolet P30 and GMC P3500 models before ordering, especially on vehicles with cab equipment differences.

Quality Assurance

Four Seasons 33986 is a new replacement part built to meet or exceed OEM specifications for the listed applications. The Four Seasons Filter Drier line is used for service-focused HVAC replacement where correct fit, sealing, and moisture control are required.