Four Seasons 6670N A/C Compressor Kit

Four Seasons PAC-Kit w/ New Compressor

The Four Seasons 6670N A/C compressor kit is built for select GM full-size applications that need a direct-fit HVAC service solution. It is listed for 1991-1993 Buick Roadmaster, 1993 Cadillac Fleetwood, 1991 Chevrolet Caprice, and 1991 Chevrolet Commercial Chassis with the specified compressor configurations.

Key Features

• Four Seasons PAC-Kit w/ New Compressor for A/C compressor replacement
• Part number 6670N for catalog and fitment lookup
• Fits 1991-1993 Buick Roadmaster with LTR4 or R4 compressor configurations
• Fits 1993 Cadillac Fleetwood with R4 compressor; requires use of orifice tube spacer
• Fits 1991 Chevrolet Caprice with LTR4 or R4 compressor configurations
• Fits 1991 Chevrolet Commercial Chassis with LTR4 or R4 compressor configurations

Detailed Description

Four Seasons 6670N is an A/C compressor kit for specific Buick, Cadillac, and Chevrolet vehicles that use the listed compressor setups. This PAC-Kit w/ New Compressor application is cataloged for 1991-1993 Buick Roadmaster, 1993 Cadillac Fleetwood, 1991 Chevrolet Caprice, and 1991 Chevrolet Commercial Chassis, making it a focused option for owners searching for a 6670N compressor kit for GM full-size HVAC repair. The fitment notes also identify related service components for the application, including accumulator, orifice, flush, and oil references.

What It Helps Address

• Failed A/C compressor operation
• Noisy or seized compressor condition
• Loss of cabin cooling performance
• Compressor replacement on listed Buick Roadmaster, Cadillac Fleetwood, and Chevrolet Caprice applications
• Service work on GM HVAC systems with the specified compressor type

Installation Notes

Verify the vehicle’s compressor type before ordering. For 1993 Cadillac Fleetwood applications, the notes specify use of an orifice tube spacer. Confirm the listed fitment details for your exact year, make, model, and compressor configuration before installation. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Quality Assurance

Four Seasons is a recognized aftermarket brand in HVAC service parts, and this kit is cataloged under part number 6670N for application-specific replacement use.