Four Seasons 3785N A/C Compressor and Component Kit

Four Seasons PAC-Kit w/ New Compressor

The Four Seasons 3785N PAC-Kit w/ New Compressor is a direct-fit A/C compressor kit for select 1987 Ford trucks and SUVs with an FS6 compressor and factory air. It is built for 1987 Ford Bronco, F-150, F-250, and F-350 applications that match the listed factory configuration.

Key Features

• Brand: Four Seasons
• Brand line: PAC-Kit w/ New Compressor
• Part number: 3785N
• Category: HVAC A/C clutch and compressor
• Fits 1987 Ford Bronco, F-150, F-250, and F-350 with FS6 compressor and factory air
• Application-specific notes include the correct accumulator, orifice, flush, and oil references listed for each vehicle

Product Details

Four Seasons PAC-Kit w/ New Compressor is a vehicle-specific A/C compressor kit for 1987 Ford Bronco, F-150, F-250, and F-350 models. The 3785N listing covers FS6 compressor-equipped trucks and SUVs with factory air, including the noted red orifice tube applications on the F-150, F-250, and F-350. This makes it a focused replacement choice when servicing the air conditioning system on these Ford platforms.

The PAC-Kit w/ New Compressor line groups the compressor with the related service components identified in the fitment notes, helping match the original system configuration for the listed 1987 Ford Bronco and Ford truck applications. Part number 3785N is the reference to use when searching for this exact Four Seasons kit.

Common Problems This Part Addresses

• Loss of A/C cooling performance on 1987 Ford Bronco, F-150, F-250, or F-350
• Compressor failure in FS6-equipped factory air systems
• Noise or rough operation from a worn A/C compressor
• System service needs tied to the listed accumulator and orifice tube configuration
• Restoration of factory-style air conditioning operation after compressor replacement

Installation Notes and Tips

Verify the vehicle has the FS6 compressor and factory air configuration before ordering. Match the notes in the fitment data for the correct 1987 Ford Bronco, F-150, F-250, or F-350 application, including the red orifice tube callout where listed. Before installation, inspect the system for contamination and follow proper A/C service procedures for flushing, oil selection, evacuation, and recharge.

Quality Assurance

Four Seasons is a recognized HVAC parts brand with application-specific cataloging for service replacement. Use part number 3785N to confirm the correct PAC-Kit w/ New Compressor for the listed 1987 Ford Bronco and Ford truck fitments.