Four Seasons 2640N A/C Compressor and Component Kit

Four Seasons PAC-Kit w/ New Compressor 2640N

Four Seasons 2640N is an A/C compressor kit for older Chevrolet and GMC trucks and SUVs that use R4 or LTR4 compressor applications. It is built for direct replacement service on confirmed fitments, including front-mounted and engine-bay applications across 1985-1990 GM light-duty platforms.

Key Features

• Four Seasons PAC-Kit w/ New Compressor line
• Part number 2640N
• Application-specific A/C compressor kit for confirmed Chevrolet and GMC fitments
• Covers R4 and LTR4 compressor configurations noted in the fitment data
• Fits front and N/A positions as listed by vehicle application
• Cross-reference: this part cross-references 58235 for the same application

Product Details

The Four Seasons PAC-Kit w/ New Compressor 2640N is cataloged for a wide range of 1985-1990 Chevrolet and GMC trucks, Suburban models, and Blazer/Jimmy applications. Fitment includes 1985-1988 Chevrolet Blazer, front; 1985-1988 GMC Jimmy, front; 1987-1988 Chevrolet R10 Suburban, front; 1987-1988 GMC V2500 Suburban, front; and multiple C/K and R/V-series truck applications with the compressor type and pulley or coil notes listed in the fitment data. Use this part number when searching for a Four Seasons A/C compressor kit for Chevrolet C10, K10, R10, V10, GMC C1500, K1500, R1500, and related GM truck platforms.

Common Problems This Part Addresses

• Loss of cabin cooling from a worn or failed A/C compressor
• Noisy compressor operation on older R4 or LTR4 systems
• Compressor seizure or poor refrigerant circulation
• Restoration work on aging Chevrolet and GMC HVAC systems
• Replacement of a compressor matched to the listed pulley and coil configurations

Installation Notes and Tips

Verify the compressor style, pulley diameter, coil position, and vehicle position against the fitment notes before ordering. Confirm whether your application is listed as front or N/A, and match the compressor configuration exactly on Chevrolet and GMC trucks, Suburban models, Blazer, and Jimmy applications. For best results, inspect the system for contamination and follow proper A/C service procedures during replacement.

Quality Assurance

Four Seasons catalogs this PAC-Kit line for direct-fit HVAC service on the listed GM applications. Part number 2640N is identified for confirmed vehicle-specific use across 1985-1990 Chevrolet and GMC platforms.