Four Seasons 2789R A/C Compressor Kit - Front

Four Seasons PAC-Kit w/ Reman Compressor 2789R

Four Seasons 2789R is an A/C compressor kit for select GM compact trucks and SUVs with the LTR4 compressor setup. It is built for service on 1988-1991 Chevrolet S10, 1988-1991 Chevrolet S10 Blazer, 1988-1991 GMC S15 Jimmy, 1991 GMC Sonoma, 1991 Oldsmobile Bravada, and 1988-1990 GMC S15 applications.

Key Features

• Four Seasons PAC-Kit w/ reman compressor for HVAC A/C service
• Application-specific for vehicles using the LTR4 compressor
• Fits Chevrolet S10 and S10 Blazer, GMC S15 and S15 Jimmy, GMC Sonoma, and Oldsmobile Bravada applications
• Part number 2789R for direct catalog lookup
• Includes fitment notes tied to the original vehicle configuration

Product Details

This Four Seasons PAC-Kit w/ Reman Compressor is a service solution for GM A/C systems that use the LTR4 compressor platform. The kit references the remanufactured compressor application along with related system service components listed in the fitment notes, making it a focused choice for restoring cooling performance on 1988-1991 Chevrolet S10, 1988-1991 Chevrolet S10 Blazer, 1988-1991 GMC S15 Jimmy, 1991 GMC Sonoma, 1991 Oldsmobile Bravada, and 1988-1990 GMC S15 models. Use part number 2789R when verifying catalog match and vehicle coverage.

What It Helps Address

• Loss of cabin cooling from compressor wear or failure
• Noisy or inefficient A/C compressor operation
• System performance issues tied to the LTR4 compressor application
• Service needs on aging Chevrolet S10 and GMC S15 platform vehicles
• Restoration work on GM compact truck and SUV A/C systems

Installation Notes

• Verify the vehicle uses the LTR4 compressor before ordering.
• Match the year, make, model, and position exactly to the fitment list.
• Follow standard A/C service procedures, including evacuation, flushing, and correct oil handling as required by the system.
• Confirm all related system components and specifications before installation.

Quality Assurance

Four Seasons is a recognized aftermarket brand for HVAC service parts. Part number 2789R is cataloged for the listed GM applications and should be matched to the vehicle’s original compressor configuration before installation.