Four Seasons 33035 A/C Accumulator

Four Seasons 33035 A/C Accumulator

The Four Seasons 33035 A/C accumulator is a complete aluminum replacement for select GM truck applications with a service port and switch port. It is built to meet or exceed OEM requirements and is listed for 2006-2007 Chevrolet Silverado 1500, 2007 Chevrolet Silverado 1500 Classic, 2006-2007 GMC Sierra 1500, and 2007 GMC Sierra 1500 Classic.

Key Features

• Brand: Four Seasons Accumulator line
• Part number: 33035
• Complete unit construction
• Aluminum body for HVAC system service replacement
• Body diameter: 3.500 in. (89 mm)
• Body length: 8.000 in. (205 mm)
• P-nut inlet and outlet fittings
• Inlet fitting diameter: 3/4 in.
• Includes service port and switch port
• Meets or exceeds OEM specifications
• Direct-fit style for listed Chevrolet Silverado 1500 and GMC Sierra 1500 applications

Product Details

The Four Seasons Accumulator line focuses on replacement HVAC components built for factory-style serviceability and fit. This Four Seasons 33035 accumulator uses an aluminum housing with P-nut fittings, a service port, and a switch port to match the listed truck configurations. It is a direct replacement for the A/C accumulator used on 2006-2007 Chevrolet Silverado 1500 and GMC Sierra 1500 models, including the 2007 Classic variants. This part cross-references UAC RD10942C for the same application.

Common A/C Problems This Part Can Address

• Loss of refrigerant storage and moisture separation in the A/C system
• Damaged or leaking accumulator housing
• Worn service port or switch port connection points
• Improper A/C system operation after compressor or line service
• Fitment issues when replacing the original Silverado 1500 or Sierra 1500 accumulator

Installation Notes and Tips

Verify the inlet and outlet fitting style, body dimensions, and port locations before installation. Replace the required O-ring seals during service and confirm the system is evacuated, leak-checked, and recharged to the vehicle manufacturer’s specifications. This part is listed without a mounting bracket and without mounting hardware.

Quality Assurance

Four Seasons lists this accumulator as meeting or exceeding OEM requirements for the specified applications. Confirm vehicle fitment by year, make, model, and HVAC configuration before ordering.