Four Seasons 2813R A/C Compressor Kit

Four Seasons PAC-Kit w/ Reman Compressor

Four Seasons Part Number 2813R is an A/C compressor kit for select GM vehicles equipped with an R4 compressor. This PAC-Kit w/ Reman Compressor is built for direct replacement service on classic Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac applications from 1976-1985.

Key Features

• Four Seasons PAC-Kit w/ Reman Compressor for HVAC A/C compressor replacement
• Fits vehicles with R4 compressor configurations
• Application-specific coverage for Buick Riviera, Cadillac Eldorado, Pontiac Firebird, and more
• Includes fitment notes for switch, pulley, metric thread, and orifice tube configurations where required
• Part Number: 2813R

Detailed Description

Four Seasons 2813R is an A/C compressor kit intended for older GM platforms that use the R4 compressor design. Coverage includes 1976-1985 Buick Riviera, 1977-1989 Cadillac Commercial Chassis, 1980-1984 Cadillac DeVille and Fleetwood, 1977-1979 Chevrolet Nova, 1977-1979 Pontiac Firebird, and additional Buick, Oldsmobile, and Pontiac models listed in the fitment data. This PAC-Kit w/ Reman Compressor is a fitment-specific solution for restoring cabin cooling performance on vehicles with the correct compressor and accessory configuration.

This part cross-references common service applications for the same vehicle platforms. Part Number 2813R should be matched to the vehicle’s compressor style, pulley diameter, thread type, and switch requirements before ordering.

What It Helps Address

• Loss of A/C compressor function on R4-equipped vehicles
• Noise or wear associated with an aging compressor assembly
• Cooling performance issues tied to compressor replacement needs
• Fitment problems on vehicles requiring specific pulley or thread configurations
• Service repairs on classic Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac A/C systems

Installation Notes

Verify the existing compressor type and all listed fitment notes before installation. Confirm pulley diameter, metric thread requirements, switch style, and orifice tube or accumulator-related notes where shown in the application data. System flushing and correct oil selection should follow the vehicle’s service requirements and the fitment notes associated with this kit.

Quality Assurance

Four Seasons supplies aftermarket HVAC components for service replacement applications. Use Part Number 2813R only on the confirmed vehicle listings shown above to ensure proper compressor match and system compatibility.