Four Seasons 33158 A/C Receiver Drier

Four Seasons 33158 Filter Drier Overview

Four Seasons 33158 is an aluminum A/C receiver drier built for HVAC systems that use a male insert O-ring inlet and outlet connection. It includes desiccant and gasket/seal components, and it meets or exceeds OEM requirements for direct replacement service on select Buick, Chevrolet, Oldsmobile, and Pontiac applications.

Use this Four Seasons Filter Drier line component when servicing the A/C system on vehicles such as the 1994-1998 Buick Skylark, 1994-1998 Oldsmobile Achieva, and 1995-1998 Pontiac Grand Am. The Four Seasons 33158 is also listed for 1994-1996 Chevrolet Corsica with R134a and 1995 Chevrolet Camaro and 1995 Pontiac Firebird applications.

Key Features

• Aluminum receiver drier construction
• Male insert O-ring inlet and outlet fittings
• Built-in desiccant for moisture control
• No pad mount, bracket, service port, switch port, or sight glass
• New part that meets or exceeds OEM specifications
• Body diameter: 3.000 in. | Body length: 6.500 in.
• Includes gasket/seals and green O-rings

Detailed Description

The Four Seasons Filter Drier brand line is used in A/C service parts that support refrigerant system cleanliness and moisture management. Part number 33158 is an aluminum A/C receiver drier with a 3.000-inch body diameter and 6.500-inch body length, designed with male insert O-ring connections for inlet and outlet routing. Its desiccant charge helps capture moisture inside the HVAC circuit, while the no-pad-mount design keeps the housing straightforward for OE-style replacement work.

This receiver drier is a direct-fit style option for select 1994-1998 Buick Skylark, 1994-1998 Oldsmobile Achieva, and 1995-1998 Pontiac Grand Am models, along with listed Chevrolet Corsica, Camaro, and Pontiac Firebird applications. If you are replacing a worn or contaminated A/C receiver drier, Four Seasons 33158 provides the correct connection style and housing format for those vehicle-specific repairs.

This part cross-references UAC RD1632C and Gates 21701 for the same application.

What It Helps Address

• Moisture contamination in the A/C refrigerant circuit
• Reduced cooling performance caused by a saturated desiccant
• Debris management during A/C system service
• Replacement of a leaking or aging receiver drier housing
• Restoration of proper refrigerant flow through the HVAC system

Installation Notes and Tips

• Verify the vehicle uses the listed male insert O-ring connection style before ordering.
• Replace O-rings and seals during A/C service to maintain system integrity.
• Inspect the compressor, condenser, and expansion components for contamination before reassembly.
• Evacuate and recharge the system according to the vehicle service procedure after installation.
• Confirm fitment for the exact year and model, especially on 1994-1998 Buick Skylark, Oldsmobile Achieva, Pontiac Grand Am, Chevrolet Corsica, Chevrolet Camaro, and Pontiac Firebird applications.

Quality Assurance

Four Seasons 33158 is a new replacement part that meets or exceeds OEM specifications for the listed applications. It is built as an OE-style receiver drier for service work on compatible Buick, Chevrolet, Oldsmobile, and Pontiac HVAC systems.