Four Seasons 6422R A/C Compressor Kit - Front and Rear

Four Seasons 6422R A/C Compressor Kit

The Four Seasons 6422R PAC-Kit with reman compressor is built for 1963-1964 Cadillac Eldorado front and rear HVAC applications. It is specified for systems using an A6 compressor, expansion valve, single groove pulley, and compressor switch port.

Key Features

• Part number 6422R from Four Seasons
• PAC-Kit with reman compressor for A/C service work
• Fits 1963-1964 Cadillac Eldorado, front and rear
• Application notes call for an A6 compressor and expansion valve system
• Specified for single groove pulley and compressor switch port setups

Application Details

This Four Seasons PAC-Kit is targeted to Cadillac Eldorado vehicles from 1963-1964 with the listed HVAC configuration. Use it when replacing a remanufactured A/C compressor in a system that matches the original A6 compressor layout and related expansion valve components. The 6422R part number is the key reference for ordering and catalog lookup, and 6422R is also the identifier to verify against your existing system.

Common A/C Problems It Can Address

• Compressor seizure or internal wear
• Loss of cooling performance from a failing compressor
• Noisy compressor operation
• System service needs tied to an A6 compressor configuration
• Replacement needs on Cadillac Eldorado front and rear HVAC systems

Installation Notes

Confirm the vehicle’s compressor style, pulley configuration, switch port, and expansion valve setup before installation. Match the existing system to the fitment notes for 1963-1964 Cadillac Eldorado, front and rear, to avoid application errors. Proper evacuation, flushing, oil management, and leak checking are standard A/C service steps after compressor replacement.

Quality Assurance

Four Seasons is a long-established HVAC parts brand, and the PAC-Kit line groups compressor replacement components for service-focused repairs. Verify all system details against the vehicle and existing hardware before installation.