Four Seasons 4189N A/C Compressor Kit

Four Seasons PAC-Kit w/ New Compressor 4189N

Four Seasons 4189N is an A/C compressor kit for select Ford trucks with factory air and a York compressor setup. It is built for 1973-1974 and 1978-1979 Ford F-100, F-250, and F-350 applications with the listed valve and drier configurations.

Key Features

• Four Seasons PAC-Kit w/ New Compressor line for complete A/C service planning
• New compressor application for York compressor systems
• Fits factory air Ford truck platforms with block style valve configurations
• Application-specific coverage for apron-mounted or bottom-tube drier setups, depending on vehicle year
• Part number 4189N for catalog and fitment lookup

Fitment Details

• Fits 1978-1979 Ford F-100, N/A, w/ York Compressor; w/ Factory Air; w/ Block Style Valve; Drier w/ Drier Has Tubes at Bottom; 58022 (New Compressor), 33367 (Filter Drier), 38901 (Exp Valve), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor
• Fits 1974 Ford F-100, N/A, w/ York Compressor; w/ Factory Air; w/ Block Style Valve; Drier w/ Drier Has Tubes at Bottom; 58022 (New Compressor), 33367 (Filter Drier), 38901 (Exp Valve), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor
• Fits 1978-1979 Ford F-150, N/A, w/ York Compressor; w/ Factory Air; w/ Block Style Valve; Drier w/ Drier Has Tubes at Bottom; 58022 (New Compressor), 33367 (Filter Drier), 38901 (Exp Valve), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor
• Fits 1978-1979 Ford F-250, N/A, w/ York Compressor; w/ Factory Air; w/ Block Style Valve; Drier w/ Drier Has Tubes at Bottom; 58022 (New Compressor), 33367 (Filter Drier), 38901 (Exp Valve), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor
• Fits 1974 Ford F-250, N/A, w/ York Compressor; w/ Factory Air; w/ Block Style Valve; Drier w/ Drier Has Tubes at Bottom; 58022 (New Compressor), 33367 (Filter Drier), 38901 (Exp Valve), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor
• Fits 1978-1979 Ford F-350, N/A, w/ York Compressor; w/ Factory Air; w/ Block Style Valve; Drier w/ Drier Has Tubes at Bottom; 58022 (New Compressor), 33367 (Filter Drier), 38901 (Exp Valve), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor
• Fits 1974 Ford F-350, N/A, w/ York Compressor; w/ Factory Air; w/ Block Style Valve; Drier w/ Drier Has Tubes at Bottom; 58022 (New Compressor), 33367 (Filter Drier), 38901 (Exp Valve), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor
• Fits 1973 Ford F-100, N/A, w/ York Compressor; w/ Factory Air; w/ Block Style Valve; Drier w/ Apron Mounting; 58022 (New Compressor), 33367 (Filter Drier), 38901 (Exp Valve), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor
• Fits 1973 Ford F-250, N/A, w/ York Compressor; w/ Factory Air; w/ Block Style Valve; Drier w/ Apron Mounting; 58022 (New Compressor), 33367 (Filter Drier), 38901 (Exp Valve), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor
• Fits 1973 Ford F-350, N/A, w/ York Compressor; w/ Factory Air; w/ Block Style Valve; Drier w/ Apron Mounting; 58022 (New Compressor), 33367 (Filter Drier), 38901 (Exp Valve), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor

What It Helps Address

• Weak or failed A/C compressor operation on Ford F-100, F-250, and F-350 trucks
• Loss of cabin cooling performance in factory air systems
• Service needs tied to York compressor-equipped HVAC systems
• Fitment issues when replacing components on block style valve applications
• Restoration work on 1973-1974 and 1978-1979 Ford truck A/C systems

Installation Notes

Verify the vehicle uses a York compressor, factory air, and the matching drier and valve configuration before ordering. This part number 4189N is listed for specific Ford truck applications only, including 1973-1974 and 1978-1979 F-100, F-250, and F-350 models. A proper A/C system service procedure should include evacuation, flushing where required, and correct oil selection for the system.

Quality Assurance

Four Seasons is a recognized aftermarket HVAC brand, and the PAC-Kit w/ New Compressor line groups the compressor with application-specific A/C service components for the listed Ford truck fitments.