Four Seasons 3556N A/C Compressor and Component Kit - Front and Rear

Four Seasons 3556N A/C Compressor Kit

Four Seasons 3556N is a PAC-Kit with new compressor for select Chevrolet Astro and GMC Safari applications. It is built for front and rear HVAC systems on 1985-1986 vehicles equipped with an LTR4 compressor and a 9 o'clock coil configuration.

Key Features

• Four Seasons PAC-Kit w/ New Compressor product line
• Direct-fit A/C compressor kit for select Astro and Safari applications
• Configured for LTR4 compressor systems with 9 o'clock coil
• Fits 1985-1986 Chevrolet Astro, front and rear
• Fits 1985-1986 GMC Safari, front and rear
• Part number 3556N for application matching and catalog lookup

Application Details

This Four Seasons A/C compressor kit is listed for 1985-1986 Chevrolet Astro and 1985-1986 GMC Safari models with front and rear HVAC coverage. The PAC-Kit w/ New Compressor designation identifies the product line and helps narrow the correct replacement for vehicles using the LTR4 compressor setup.

For buyers searching by vehicle and part number, Four Seasons 3556N is a focused solution for 1985-1986 Chevrolet Astro A/C service and 1985-1986 GMC Safari A/C compressor replacement. The part number 3556N is also useful when verifying the correct compressor kit against the vehicle’s existing HVAC configuration.

Common Repair Uses

• Replacing a worn or failed A/C compressor
• Restoring cooling performance in front and rear HVAC systems
• Addressing compressor noise or seizure
• Correcting loss of refrigerant compression in the A/C system
• Matching an LTR4 compressor application with 9 o'clock coil layout

Installation Notes

Verify the vehicle’s compressor style, coil position, and HVAC configuration before ordering. Confirm fitment against the existing system on 1985-1986 Chevrolet Astro and 1985-1986 GMC Safari models, since A/C components must match the original layout for proper operation. Use the part number 3556N during catalog verification and service planning.

Quality Assurance

Four Seasons is a recognized HVAC parts brand with a dedicated PAC-Kit product line for compressor replacement applications. This listing is based on the confirmed vehicle fitment and configuration details provided for the 3556N kit.