Universal Air RD6422C A/C Accumulator

Universal Air RD6422C A/C Accumulator

Universal Air RD6422C is an A/C accumulator for select Audi, Pontiac, Chevrolet, and GMC applications. It is listed for OE-style and without-service-port configurations, making it a direct-match option for specific factory HVAC layouts.

Key Features

• Part number: RD6422C
• Brand line: Universal Air Accumulator
• Category: HVAC A/C accumulator / receiver drier
• Application-specific fitment for select 1987-1992 vehicles
• Available for OE-style and without service port configurations

Detailed Description

This Universal Air accumulator is used in automotive air conditioning systems to manage refrigerant flow and help protect the compressor from liquid refrigerant returning through the suction side. It is listed for select Audi S4 and Coupe Quattro applications, plus Pontiac Sunbird and Grand Am, and Chevrolet and GMC C/K truck platforms. If you are sourcing RD6422C for a factory-style HVAC repair, verify the service-port and OE-style notes against the original unit before ordering.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Is Used For

• Replacing a leaking or corroded A/C accumulator
• Restoring proper refrigerant storage and moisture control in the HVAC circuit
• Addressing poor cooling caused by internal restriction or contamination
• Correcting compressor protection issues related to liquid refrigerant return
• Matching factory-style accumulator layouts on select Audi, Pontiac, Chevrolet, and GMC vehicles

Installation Notes and Tips

Confirm year, make, model, and configuration notes before installation. Fits 1992 Audi S4, N/A; 1990-1991 Audi Coupe Quattro, N/A, without service port; 1990 Pontiac Sunbird, N/A, without service port; 1987-1989 Pontiac Grand Am, N/A, without service port; 1988 Chevrolet C1500, N/A, without service port; 1988 Chevrolet C2500, N/A, without service port; 1988 Chevrolet C3500, N/A, OE style; 1988 Chevrolet K1500, N/A, OE style; 1988 Chevrolet K2500, N/A, without service port; 1988 Chevrolet K3500, N/A, without service port; 1988 GMC C1500, N/A, OE style; 1988 GMC C2500, N/A, OE style; 1988 GMC C3500, N/A, OE style; 1988 GMC K1500, N/A, without service port; 1988 GMC K2500, N/A, without service port; 1988 GMC K3500, N/A, OE style. Replace the accumulator whenever the system has been opened for major A/C service and follow proper evacuation and recharge procedures.

Quality Assurance

Universal Air positions the Accumulator line as a dedicated HVAC replacement product line for application-specific A/C service. RD6422C is cataloged for direct vehicle matching across the listed fitments.