Universal Air RD1678C A/C Accumulator

Universal Air RD1678C A/C Accumulator

The Universal Air RD1678C is an A/C accumulator for select Chevrolet G10, G20, and G30 vans, plus GMC G1500, G2500, and G3500 applications. It is listed for vehicles with accumulator-style HVAC systems, including configurations noted as without service port and OE-style accumulator setups.

Key Features

• Brand: Universal Air
• Part number: RD1678C
• Category: HVAC A/C accumulator / receiver drier
• Direct-fit application coverage for select Chevrolet and GMC vans
• Application notes include without service port and OE-style accumulator configurations

Application Details

Compatible With 1985-1992 Chevrolet G10, G20, and G30 models, as well as 1985-1992 GMC G1500 and G3500 models, this accumulator is used in vehicle air conditioning systems that rely on accumulator-side moisture control and refrigerant management. It also covers 1979, 1983, 1984, and 1990-1992 GMC G2500 and G3500 applications listed in the fitment data. Search terms such as Chevrolet G10 A/C accumulator, GMC G2500 receiver drier replacement, and RD1678C HVAC accumulator point to this exact part family.

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

What It Helps Address

• Moisture buildup in the A/C system
• Refrigerant flow issues related to accumulator wear
• Reduced cooling performance from a failing accumulator
• Contamination concerns after A/C service or component replacement
• Leak-related loss of system efficiency at the accumulator location

Installation Notes

Verify the vehicle’s A/C configuration against the fitment notes before ordering. Confirm whether the application is listed as without service port or OE-style accumulator, and compare the existing unit to the part number RD1678C before installation. Proper evacuation, leak checking, and recharge procedures should be followed after replacement.

Quality Assurance

Universal Air supplies HVAC service parts for vehicle air conditioning repair applications. RD1678C is cataloged for specific Chevrolet and GMC van fitments to support accurate replacement selection.