Four Seasons 3707N A/C Compressor Kit

Four Seasons PAC-Kit w/ New Compressor 3707N

Four Seasons 3707N is an A/C compressor kit for select factory-air applications. It is listed for 1983-1985 Mercury Grand Marquis models equipped with an FS6 compressor, and the notes call for a replacement tube kit when converting from an orifice tube setup.

Key Features

• Brand: Four Seasons
• Part number: 3707N
• Category: HVAC A/C clutch and compressor
• Product type: A/C compressor kit
• Fits 1983-1985 Mercury Grand Marquis, N/A, with FS6 compressor and factory air
• Replacement tube kit required to replace orifice tube

Product Details

This PAC-Kit w/ New Compressor is built for Mercury Grand Marquis vehicles from 1983 through 1985 that use factory air conditioning and an FS6 compressor. The fitment notes also identify related service parts and procedures, including the need for a replacement tube kit when converting from an orifice tube configuration. Four Seasons 3707N is a direct-fit service option for owners restoring or repairing the A/C compressor system on these Grand Marquis applications.

This part number, 3707N, is also useful when searching for a Four Seasons A/C compressor kit for 1983-1985 Mercury Grand Marquis factory air systems.

Common Problems This Part Addresses

• Loss of A/C compressor operation
• Noisy or seized compressor assembly
• Reduced cooling performance from a worn compressor
• Service replacement for FS6 compressor applications
• Conversion-related service needs when replacing an orifice tube setup

Installation Notes

Verify the vehicle has factory air and an FS6 compressor before ordering. The fitment notes specify that a replacement tube kit is required to replace the orifice tube. Follow standard A/C service procedures, including system evacuation, flushing where needed, and correct oil handling during compressor replacement. Confirm all related components match the vehicle’s original configuration before installation.

Quality Assurance

Four Seasons is a recognized HVAC parts brand with cataloged OE-style service coverage for A/C repair applications. Part number 3707N is listed with vehicle-specific fitment data for 1983-1985 Mercury Grand Marquis models.