Four Seasons 34209 A/C Accumulator Tube

Four Seasons 34209 A/C Accumulator Tube

Four Seasons 34209 is an aluminum A/C accumulator tube for R134a systems. It is built as an OE replacement and meets or exceeds OEM requirements for the listed Chevrolet and GMC truck and SUV applications.

Key Features

• Aluminum accumulator tube for automotive HVAC service
• R134a refrigerant type
• Gasket or seal included
• OE replacement and meets or exceeds OEM specifications
• Tube style with 3/4 in. inlet and 3/4 in. outlet
• Uses green O-ring seal design with A number [24612]
• No switch port

Product Details

The Four Seasons Accumulator line focuses on direct-fit HVAC replacement parts for service work on factory air conditioning systems. Part number 34209 is an accumulator tube built in aluminum for durability and consistent refrigerant routing in R134a-equipped systems. It is specified as an OE replacement and is listed to meet or exceed OEM standards, making it a practical choice for restoring proper A/C line function on classic Chevrolet C10, K10, Blazer, and GMC Jimmy applications.

This part cross-references Dorman - HELP 34209 for the same application. Four Seasons 34209 also aligns with common service needs on 1973-1980 Chevrolet and GMC trucks and SUVs, including Chevrolet C10, C20, C30, K10, K20, K30, K5 Blazer, and GMC C1500, C2500, C3500, K1500, K2500, K3500, and Jimmy models.

What It Is Used For

• Replacing a leaking or damaged A/C accumulator tube
• Restoring refrigerant flow in an R134a HVAC system
• Addressing seal-related A/C service issues at the tube connection points
• Repairing corrosion or wear in the accumulator tube assembly
• Returning factory-style fitment on Chevrolet and GMC truck and SUV A/C systems

Installation Notes and Tips

Verify inlet and outlet sizing before installation: both ends measure 3/4 in. (19.050 mm). Confirm the vehicle uses an accumulator tube without a switch port and matches the listed R134a configuration. Replace and lubricate O-rings during service, and evacuate and recharge the system according to factory HVAC procedures after installation.

Quality Assurance

Four Seasons 34209 is an OE replacement part that meets or exceeds OEM specifications. The aluminum construction and included seal components support proper service replacement for the listed applications.

Compatible Vehicles

• Fits 1975-1980 Chevrolet C10, accumulator
• Fits 1973-1980 Chevrolet C10 Suburban, accumulator
• Fits 1975-1980 Chevrolet C20, accumulator
• Fits 1973-1980 Chevrolet C20 Suburban, accumulator
• Fits 1975-1980 Chevrolet C30, accumulator
• Fits 1975-1980 Chevrolet K10, accumulator
• Fits 1973-1980 Chevrolet K10 Suburban, accumulator
• Fits 1975-1980 Chevrolet K20, accumulator
• Fits 1973-1980 Chevrolet K20 Suburban, accumulator
• Fits 1977-1980 Chevrolet K30, accumulator
• Fits 1975-1980 Chevrolet K5 Blazer, accumulator
• Fits 1979-1980 GMC C1500, accumulator
• Fits 1979-1980 GMC C1500 Suburban, accumulator
• Fits 1979-1980 GMC C2500, accumulator
• Fits 1979-1980 GMC C2500 Suburban, accumulator
• Fits 1979-1980 GMC C3500, accumulator
• Fits 1973-1980 GMC Jimmy, accumulator
• Fits 1979-1980 GMC K1500, accumulator
• Fits 1979-1980 GMC K1500 Suburban, accumulator
• Fits 1979-1980 GMC K2500, accumulator
• Fits 1979-1980 GMC K2500 Suburban, accumulator
• Fits 1979-1980 GMC K3500, accumulator
• Fits 1973-1974 Chevrolet Blazer, accumulator