Four Seasons 1634N A/C Compressor and Component Kit

Four Seasons 1634N A/C Compressor Kit

Four Seasons 1634N is a PAC-Kit with New Compressor for select Cadillac full-size luxury applications. It is built for 1994-1997 Cadillac DeVille and 1994-1996 Cadillac Seville models equipped with an HD6 compressor and a condenser mounting orifice tube.

Key Features

• Brand: Four Seasons
• Brand line: PAC-Kit w/ New Compressor
• Part number: 1634N
• Application-specific A/C compressor kit for HD6-equipped Cadillac systems
• Fits 1994-1997 Cadillac DeVille, N/A
• Fits 1994-1996 Cadillac Seville, N/A

Product Details

This Four Seasons A/C compressor kit is listed for Cadillac DeVille and Cadillac Seville vehicles that use the HD6 compressor configuration. The PAC-Kit w/ New Compressor line identifies a compressor kit format for service work on the air conditioning system, with fitment tied to the condenser mounting orifice tube setup noted in the application data. Use part number 1634N when matching the correct compressor kit for these Cadillac HVAC repairs.

Common Problems This Part Addresses

• Loss of A/C cooling performance
• Compressor noise or seizure
• Incorrect compressor replacement for HD6-equipped systems
• System service on Cadillac DeVille or Cadillac Seville A/C repairs

Installation Notes

Verify the vehicle’s compressor type before ordering. This application is listed for HD6 compressor systems with a condenser mounting orifice tube, so confirm the existing HVAC configuration on the Cadillac DeVille or Cadillac Seville. Follow standard A/C service procedures, including proper evacuation, flushing, oil management, and leak checks before returning the system to service.

Quality Assurance

Four Seasons is a recognized HVAC parts brand with application-specific cataloging for air conditioning service components. Part number 1634N is listed for direct vehicle matching on the specified Cadillac applications.