Four Seasons 6537N A/C Compressor Kit - Front

Four Seasons PAC-Kit w/ New Compressor

The Four Seasons 6537N is an A/C compressor kit for select GM compact trucks and SUVs with an R4 compressor setup. It is built for direct replacement service on applications such as the Chevrolet S10, Chevrolet S10 Blazer, GMC S15, and GMC S15 Jimmy.

Key Features

• Four Seasons PAC-Kit w/ New Compressor line for A/C service
• Part number 6537N for accurate ordering and catalog lookup
• Application-specific for R4 compressor systems
• Fits 1982-1983 Chevrolet S10, N/A
• Fits 1986 Chevrolet S10, N/A
• Fits 1986 Chevrolet S10 Blazer, Front
• Fits 1983 GMC S15, N/A
• Fits 1986 GMC S15, N/A
• Fits 1986 GMC S15 Jimmy, Front

Product Details

The Four Seasons PAC-Kit w/ New Compressor is a service-focused HVAC solution for vehicles using the R4 compressor platform. This kit is cataloged for 1982-1983 Chevrolet S10, 1986 Chevrolet S10, 1986 Chevrolet S10 Blazer, 1983 GMC S15, 1986 GMC S15, and 1986 GMC S15 Jimmy. If you are sourcing a Four Seasons 6537N replacement for a Chevrolet S10 or GMC S15 A/C repair, this part number helps narrow the correct application quickly.

This part cross-references 172286 and 182286 for the same application.

Common Repair Uses

• Restores compressor function on an R4-based A/C system
• Addresses loss of cabin cooling performance
• Replaces a worn or failed compressor during HVAC repair
• Supports service work on Chevrolet S10 and GMC S15 platform vehicles
• Helps correct A/C noise, seizure, or poor refrigerant circulation

Installation Notes and Tips

Verify the vehicle’s compressor type and match the cataloged position before installation. Confirm the application against the existing R4 system on the Chevrolet S10, Chevrolet S10 Blazer, GMC S15, or GMC S15 Jimmy, and follow standard HVAC service procedures for evacuation, flushing, oil management, and component replacement.

Quality Assurance

Four Seasons catalogs this PAC-Kit under part number 6537N for specific GM truck and SUV applications, helping ensure the replacement matches the intended R4 compressor fitment.