Four Seasons 33122 A/C Accumulator

Four Seasons 33122 A/C Accumulator for GM Trucks

Restore proper air conditioning performance with the Four Seasons 33122 accumulator, a complete aluminum A/C accumulator built for select 1992-1993 Chevrolet and GMC applications. This unit is designed for vehicles using a 3/4 in. female O-ring inlet and 3/4 in. male insert O-ring outlet, with a switch port for the correct HVAC setup.

Key Features

• Four Seasons Accumulator line, part number 33122
• Complete unit construction in aluminum
• Body diameter: 3.500 in. (88.900 mm)
• Body length: 8.000 in. (203.200 mm)
• Female O-ring inlet and male insert O-ring outlet
• Switch port included; no service port
• Meets or exceeds OEM requirements
• Fits select Chevrolet Blazer, C1500, C2500, C3500, K1500, K2500, and GMC C/K-series and Yukon applications

Product Details

The Four Seasons Accumulator product line is built for direct-fit HVAC service where correct dimensions and port style matter. Part number 33122 uses aluminum construction, a 3/4 in. inlet and outlet, and the specified O-ring sealing design to support reliable A/C system operation on 1992-1993 Chevrolet and GMC trucks and SUVs. This part cross-references UAC RD1595C for the same application.

Compatible With 1992-1993 Chevrolet Blazer, N/A; 1992-1993 Chevrolet C1500, N/A; 1992-1993 Chevrolet C1500 Suburban, N/A; 1992-1993 Chevrolet C2500, N/A; 1992-1993 Chevrolet C2500 Suburban, N/A; 1992-1993 Chevrolet C35, N/A; 1992-1993 Chevrolet C3500, N/A; 1992-1993 Chevrolet K1500, N/A; 1992-1993 Chevrolet K1500 Suburban, N/A; 1992-1993 Chevrolet K2500, N/A; 1992-1993 Chevrolet K2500 Suburban, N/A; 1992-1993 Chevrolet K3500, N/A; 1992-1993 GMC C1500, N/A; 1992-1993 GMC C1500 Suburban, N/A; 1992-1993 GMC C2500, N/A; 1992-1993 GMC C2500 Suburban, N/A; 1992-1993 GMC C3500, N/A; 1992-1993 GMC K1500, N/A; 1992-1993 GMC K1500 Suburban, N/A; 1992-1993 GMC K2500, N/A; 1992-1993 GMC K2500 Suburban, N/A; 1992-1993 GMC K3500, N/A; 1992-1993 GMC Yukon, N/A.

Common A/C Problems This Part Can Address

• Weak or inconsistent cabin cooling on Chevrolet and GMC A/C systems
• Moisture control issues in the refrigerant circuit
• Incorrect accumulator fitment from mismatched port or body dimensions
• Leaking O-ring connections at the inlet or outlet
• Service replacement needs on aging 1992-1993 GM truck HVAC systems

Installation Notes and Tips

Verify the vehicle’s accumulator style, port configuration, and switch-port requirement before installation. This unit uses a female O-ring inlet, male insert O-ring outlet, and does not include a service port. Mounting hardware is not included. The printed foot note indicates a swivel top/universal accumulator is also available under Part No. 33705, and a tube kit is not required for that option.

Quality Assurance

Four Seasons lists this accumulator as meeting or exceeding OEM requirements. Use the confirmed fitment details and port specifications to match the correct Chevrolet and GMC application before service.