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

Four Seasons 3556R A/C Compressor Kit

The Four Seasons PAC-Kit with Reman Compressor, part number 3556R, is a vehicle-specific A/C compressor kit for select 1985-1986 Chevrolet Astro and GMC Safari applications. It is built for front and rear HVAC systems using an LTR4 compressor and a 9 o'clock coil configuration.

Key Features

• Four Seasons PAC-Kit w/ Reman Compressor for targeted HVAC service
• Fits 1985-1986 Chevrolet Astro, front and rear
• Fits 1985-1986 GMC Safari, front and rear
• Configured for LTR4 compressor applications
• Uses a 9 o'clock coil setup
• Part number 3556R for catalog matching and ordering

Application Details

This Four Seasons 3556R compressor kit is intended for 1985-1986 Chevrolet Astro and 1985-1986 GMC Safari models with front and rear HVAC coverage. It is specified for vehicles equipped with an LTR4 compressor and a 9 o'clock coil, making it a direct-fit service part for the listed applications. The Four Seasons PAC-Kit line groups the compressor with related system service components for a more complete A/C repair approach.

Common A/C Problems It May Address

• Loss of cabin cooling from compressor wear or failure
• Noisy compressor operation
• Low refrigerant circulation caused by internal compressor damage
• Inconsistent A/C performance in front and rear HVAC systems
• Service needs tied to an LTR4 compressor replacement

Installation Notes

Verify the vehicle’s compressor style, coil position, and HVAC configuration before installation. Match the part number 3556R to the existing system layout on your Chevrolet Astro or GMC Safari, and confirm all listed application details against the vehicle identification information. Proper evacuation, flushing, and refrigerant service procedures should be followed during A/C repair.

Quality Assurance

Four Seasons is a recognized aftermarket brand for climate control service parts, and the PAC-Kit line is organized for application-specific A/C repairs. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.