Four Seasons 40027SK A/C Compressor Replacement Service Kit

A/C Service Kit for GM Full-Size SUVs

Four Seasons 40027SK is an A/C compressor replacement service kit built for 2015-2016 Cadillac Escalade, Chevrolet Tahoe, and GMC Yukon applications. It combines the core service components needed when replacing the compressor and restoring the refrigerant circuit on R134a systems.

As part of the Four Seasons A/C Installer Kits line, this kit is organized for compressor replacement service work and includes the specified sealing and service components for a more complete repair process. The 40027SK part number is used for the listed GM SUV applications and cross-references Monroe Shocks & Struts 172286 and 182286 for the same application.

Key Features

• Fits 2015-2016 Cadillac Escalade, Chevrolet Tahoe, and GMC Yukon
• Includes compressor oil with PAG Oil / 46 specification
• Includes desiccant bag kit, expansion valve, rear expansion valve, and O-ring kit
• Uses block-type expansion device design
• Expansion valve inlet and outlet use sealing washer connections
• Configured for R134a refrigerant systems
• Limited lifetime warranty

Detailed Description

Four Seasons 40027SK is an A/C compressor replacement service kit for GM full-size SUVs that use R134a refrigerant. It is built around the service parts commonly addressed during compressor replacement, including compressor oil, a block-type expansion valve, a rear expansion valve, a desiccant bag kit, and an O-ring kit. The 40027SK kit is intended for 2015-2016 Cadillac Escalade, Chevrolet Tahoe, and GMC Yukon models, making it a direct fitment match for those vehicles.

This Four Seasons A/C Installer Kits product line focuses on the components needed to service the air conditioning system during compressor replacement. For buyers searching for a 2015-2016 Cadillac Escalade A/C compressor replacement service kit, a Chevrolet Tahoe A/C service kit, or a GMC Yukon compressor replacement kit, this part number provides the listed service components in one application-specific package.

What It Helps Address

• Compressor replacement service on R134a A/C systems
• Leaking or worn expansion valve sealing points
• Moisture contamination in the refrigerant circuit
• Degraded O-rings and seals in the A/C system
• Service needs tied to GM Escalade, Tahoe, and Yukon compressor repairs

Installation Notes and Tips

Verify refrigerant type, compressor oil specification, and expansion valve style before installation. Replace sealing washers and O-rings during service, and follow the vehicle service procedure for evacuation, leak checking, and recharge. Confirm the application by model year before ordering; this kit is listed for 2015-2016 Cadillac Escalade, Chevrolet Tahoe, and GMC Yukon.

Quality Assurance

Four Seasons backs this kit with a limited lifetime warranty. The 40027SK part number is cataloged for the specified GM SUV applications and is built to support compressor replacement service on compatible R134a systems.