Four Seasons 3981R A/C Compressor Kit - Front and Rear

Four Seasons PAC-Kit w/ Reman Compressor 3981R

Four Seasons 3981R is an A/C compressor kit for select GM SUVs with rear air conditioning. This PAC-Kit with reman compressor is built for vehicles using the 10S20F compressor setup and related service components listed in the fitment notes.

Key Features

• Four Seasons PAC-Kit w/ Reman Compressor
• Part number 3981R
• For front and rear HVAC systems with rear A/C
• Application-specific fitment for 2001-2002 Chevrolet Tahoe and GMC Yukon, plus 2002 Cadillac Escalade and Escalade EXT
• Notes include dual outlet accumulator and 13mm orifice tube diameter on select applications

Product Details

This Four Seasons PAC-Kit is intended for vehicles that use the 10S20F compressor configuration and the listed related A/C service parts. It is a fitment-specific solution for 2002 Cadillac Escalade and Escalade EXT, as well as 2001-2002 Chevrolet Tahoe and GMC Yukon with rear A/C. The 3981R listing also identifies the associated accumulator, orifice, expansion valve, flush, and oil references in the application notes for proper system matching.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

• Loss of cabin cooling from compressor wear or failure
• Weak A/C performance in front and rear HVAC zones
• System issues tied to the specified 10S20F compressor setup
• Fitment problems when replacing the compressor on listed GM SUVs
• Service needs on vehicles with rear A/C and dual outlet accumulator configuration

Installation Notes

Verify the compressor type, accumulator outlet style, orifice tube diameter, and rear A/C configuration before installation. Match the vehicle exactly to the listed applications for 2001-2002 Chevrolet Tahoe, 2001-2002 GMC Yukon, and 2002 Cadillac Escalade or Escalade EXT. Follow standard A/C service procedures, including system evacuation, flushing where required, and correct oil handling for the vehicle.

Quality Assurance

Four Seasons is a recognized aftermarket brand for climate control components, and this PAC-Kit is cataloged for the specific GM applications shown above. Part number 3981R is listed for direct application matching on the vehicles in the fitment data.