Four Seasons 2728R A/C Compressor and Component Kit - Front

Four Seasons PAC-Kit w/ Reman Compressor

Four Seasons Part Number 2728R is an A/C compressor kit for select classic GM applications that use an A6 compressor. This PAC-Kit w/ Reman Compressor is built for direct-fit service on listed Pontiac, Buick, and Cadillac vehicles, including Pontiac GTO, Grand Prix, LeMans, Bonneville, Catalina, and Tempest applications.

Key Features

• Four Seasons PAC-Kit w/ Reman Compressor for HVAC A/C compressor replacement
• Fits listed 1968-1973 Pontiac, Buick, and Cadillac applications with A6 compressor setups
• Includes fitment-specific components referenced by the manufacturer for the application
• Supports vehicles with expansion valve, single-groove pulley, 5" diameter pulley, superheat switch port, or standard thread configurations where noted
• Part Number 2728R for catalog and service matching

Detailed Description

Four Seasons 2728R is an A/C compressor kit intended for classic vehicle HVAC service where the original system uses an A6 compressor. The fitment data covers 1968-1973 Pontiac GTO, 1968-1972 Pontiac Grand Prix, 1969-1970 Pontiac Bonneville, 1969-1970 Pontiac Catalina, 1968-1972 Pontiac LeMans, 1968-1970 Pontiac Tempest, 1968-1969 Buick LeSabre, 1970 Buick Riviera, 1970-1972 Buick LeSabre, 1971-1972 Buick Skylark, and 1968-1972 Cadillac DeVille and Fleetwood front applications, along with 1968 Cadillac Eldorado front. This part number 2728R is a fitment-driven choice for restoring A/C function on these older platforms.

What It Helps Address

• Loss of cabin cooling from a worn or failed A/C compressor
• Noisy compressor operation in A6-equipped systems
• Low refrigerant circulation caused by compressor wear
• Service replacement needs on classic Pontiac, Buick, and Cadillac A/C systems
• Fitment matching for vehicles with listed pulley, switch, and valve configurations

Installation Notes and Tips

Verify the vehicle year, make, model, and listed compressor configuration before ordering. Match the pulley style, switch-port arrangement, and expansion-valve notes shown in the fitment data for your application. For best results, flush the system, replace the filter drier, and service the oil charge during compressor replacement. Confirm all hose, bracket, and belt alignment details before final assembly.

Quality Assurance

Four Seasons is a recognized HVAC parts brand with cataloged application coverage for classic A/C service. Part Number 2728R is listed for the specific vehicles shown above, including Pontiac GTO and Cadillac DeVille applications, to support accurate parts selection.