Four Seasons 3321N A/C Compressor and Component Kit - Front

Four Seasons PAC-Kit w/ New Compressor for GM Vans

Four Seasons Part Number 3321N is an A/C compressor kit for front HVAC service on select 1990 Chevrolet Astro and GMC Safari models with rear A/C and an HR6 compressor. This PAC-Kit w/ New Compressor is built for direct-fit repair work on the specified applications and supports a complete compressor-related service approach.

Key Features

• Four Seasons A/C Compressor Kit for HVAC compressor replacement
• Brand Line: PAC-Kit w/ New Compressor for a packaged repair solution
• Fits 1990 Chevrolet Astro, front, with HR6 compressor and rear A/C
• Fits 1990 GMC Safari, front, with HR6 compressor and rear A/C
• Part Number 3321N for application-specific lookup and ordering

Detailed Description

Four Seasons 3321N is an A/C compressor kit for 1990 Chevrolet Astro and 1990 GMC Safari front HVAC systems equipped with an HR6 compressor and rear A/C. The PAC-Kit w/ New Compressor product line groups the compressor service components needed for this exact application, making it a focused choice for restoring A/C operation on these GM vans. If you are searching for a 1990 Chevrolet Astro A/C compressor kit or a 1990 GMC Safari front compressor replacement, 3321N matches the listed fitment.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Problems This Part Addresses

• Loss of A/C cooling from compressor failure
• Noisy or seized compressor operation
• Compressor-related refrigerant circulation issues
• Front HVAC A/C performance problems on rear-A/C vans
• Need for a fitment-specific compressor kit for HR6-equipped systems

Installation Notes and Tips

Verify the vehicle has the listed HR6 compressor setup and rear A/C before ordering. Match the front position and confirm the part number against the existing system configuration on 1990 Chevrolet Astro and GMC Safari models. Proper evacuation, flushing, oil management, and refrigerant service procedures are important during A/C compressor replacement.

Quality Assurance

Four Seasons is a recognized aftermarket HVAC brand with application-specific compressor service parts for vehicle repair. Part Number 3321N is cataloged for the exact listed GM van fitments to support accurate replacement selection.