Four Seasons 33204 Universal Tank Accumulator

Four Seasons 33204 Accumulator Tank

Four Seasons 33204 is a universal tank accumulator for R134a A/C systems that use female O-ring inlet and outlet connections. Built from aluminum and engineered to meet or exceed OEM requirements, it is a direct service solution for restoring proper refrigerant flow and moisture control in older GM truck and car applications.

The Four Seasons Accumulator line focuses on replacement components that match common OE-style HVAC layouts. This 33204 accumulator tank is a practical choice for classic Chevrolet and GMC platforms, including C/K trucks, Blazer, Jimmy, and G-series vans, where the accumulator is part of the system’s low-side protection and refrigerant management.

• Brand: Four Seasons Accumulator
• Part number: 33204
• Refrigerant type: R134a
• Aluminum tank-style accumulator construction
• Female O-ring inlet and outlet fittings
• Switch port included; no service port
• Meets or exceeds OEM specifications
• Compatible with select Chevrolet, GMC, Buick, Oldsmobile, and Pontiac applications

Fitment and Application Details

Fits 1984 Chevrolet C10, N/A; J Tube Tank; Accumulator. Fits 1984 Chevrolet C10 Suburban, N/A; J Tube Tank; Accumulator. Fits 1984 Chevrolet C15, N/A; J Tube Tank; Accumulator. Fits 1984 Chevrolet C20, N/A; J Tube Tank; Accumulator. Fits 1984 Chevrolet C20 Suburban, N/A; J Tube Tank; Accumulator. Fits 1984 Chevrolet C30, N/A; J Tube Tank; Accumulator. Fits 1984 Chevrolet C35, N/A; J Tube Tank; Accumulator. Fits 1984 Chevrolet K10, N/A; J Tube Tank; Accumulator. Fits 1984 Chevrolet K10 Suburban, N/A; J Tube Tank; Accumulator. Fits 1984 Chevrolet K20, N/A; J Tube Tank; Accumulator. Fits 1984 Chevrolet K20 Suburban, N/A; J Tube Tank; Accumulator. Fits 1984 Chevrolet K30, N/A; J Tube Tank; Accumulator. Fits 1984 Chevrolet K5 Blazer, N/A; J Tube Tank; Accumulator. Fits 1984 GMC C1500, N/A; J Tube Tank; Accumulator. Fits 1984 GMC C1500 Suburban, N/A; J Tube Tank; Accumulator. Fits 1984 GMC C2500, N/A; J Tube Tank; Accumulator. Fits 1984 GMC C2500 Suburban, N/A; J Tube Tank; Accumulator. Fits 1984 GMC C3500, N/A; J Tube Tank; Accumulator. Fits 1984 GMC Jimmy, N/A; J Tube Tank; Accumulator. Fits 1984 GMC K1500, N/A; J Tube Tank; Accumulator. Fits 1984 GMC K1500 Suburban, N/A; J Tube Tank; Accumulator. Fits 1984 GMC K2500, N/A; J Tube Tank; Accumulator. Fits 1984 GMC K2500 Suburban, N/A; J Tube Tank; Accumulator. Fits 1984 GMC K3500, N/A; J Tube Tank; Accumulator. Fits 1975-1983 Chevrolet C10, N/A; Accumulator. Fits 1973-1983 Chevrolet C10 Suburban, N/A; Accumulator. Fits 1982-1983 Chevrolet C15, N/A; Accumulator. Fits 1975-1983 Chevrolet C20, N/A; Accumulator. Fits 1973-1983 Chevrolet C20 Suburban, N/A; Accumulator. Fits 1975-1983 Chevrolet C30, N/A; Accumulator. Fits 1983 Chevrolet C35, N/A; Accumulator. Fits 1975-1983 Chevrolet K10, N/A; Accumulator. Fits 1973-1983 Chevrolet K10 Suburban, N/A; Accumulator. Fits 1975-1983 Chevrolet K20, N/A; Accumulator. Fits 1973-1983 Chevrolet K20 Suburban, N/A; Accumulator. Fits 1977-1983 Chevrolet K30, N/A; Accumulator. Fits 1975-1983 Chevrolet K5 Blazer, N/A; Accumulator. Fits 1979-1983 GMC C1500, N/A; Accumulator. Fits 1979-1983 GMC C1500 Suburban, N/A; Accumulator. Fits 1979-1983 GMC C2500, N/A; Accumulator. Fits 1979-1983 GMC C2500 Suburban, N/A; Accumulator. Fits 1979-1983 GMC C3500, N/A; Accumulator. Fits 1973-1983 GMC Jimmy, N/A; Accumulator. Fits 1979-1983 GMC K1500, N/A; Accumulator. Fits 1979-1983 GMC K1500 Suburban, N/A; Accumulator. Fits 1979-1983 GMC K2500, N/A; Accumulator. Fits 1979-1983 GMC K2500 Suburban, N/A; Accumulator. Fits 1979-1983 GMC K3500, N/A; Accumulator. Fits 1980-1981 Buick Skylark, N/A; Accumulator. Fits 1980-1981 Chevrolet Citation, N/A; Accumulator. Fits 1980-1981 Oldsmobile Omega, N/A; Accumulator. Fits 1980-1981 Pontiac Phoenix, N/A; Accumulator. Fits 1979-1980 Buick Skyhawk, N/A; Accumulator. Fits 1978-1980 Chevrolet Monza, N/A; Accumulator. Fits 1979-1980 Oldsmobile Starfire, N/A; Accumulator. Fits 1978-1980 Pontiac Sunbird, N/A; Accumulator. Fits 1978-1979 Chevrolet G10, N/A; Accumulator. Fits 1978-1979 Chevrolet G20, N/A; Accumulator. Fits 1978-1979 Chevrolet G30, N/A; Accumulator. Fits 1979 GMC G1500, N/A; Accumulator. Fits 1979 GMC G2500, N/A; Accumulator. Fits 1979 GMC G3500, N/A; Accumulator. Fits 1978 GMC G15, N/A; Accumulator. Fits 1978 GMC G25, N/A; Accumulator. Fits 1978 GMC G35, N/A; Accumulator. Fits 1978 Oldsmobile Starfire, N/A; From 5/78; Accumulator. Fits 1973-1974 Chevrolet Blazer, N/A; Accumulator.

Common Problems This Part Addresses

• Low-side refrigerant storage issues in R134a A/C systems
• Moisture contamination in the air conditioning circuit
• Worn or leaking accumulator tank housings
• Failed female O-ring connection points
• Service concerns on classic Chevrolet and GMC HVAC systems

Installation Notes and Tips

Verify the inlet and outlet fitting sizes, switch port configuration, and body dimensions before installation. This accumulator uses female O-ring connections and does not include a service port, so confirm the vehicle’s HVAC layout matches the part before assembly. Replace the O-rings with the correct green seals specified for this application and evacuate and recharge the system according to the vehicle service procedure.

Quality Assurance

Four Seasons 33204 is built to meet or exceed OEM specifications for the listed applications. This part cross-references Monroe Shocks & Struts (e.g., 172445) for the same application.