Four Seasons 10370SK A/C Compressor Replacement Service Kit

Four Seasons 10370SK A/C Service Kit

The Four Seasons 10370SK is an A/C compressor replacement service kit for select Toyota 4Runner applications. It brings together the service components commonly needed when replacing an air conditioning compressor and restoring refrigerant system operation with R134a.

Built for 2015-2020 Toyota 4Runner models, this Four Seasons A/C Installer Kit includes the key service parts specified for the application, including PAG 46 compressor oil, an expansion valve, a desiccant bag kit, and the necessary O-rings and gaskets.

Key Features

• Part number 10370SK from Four Seasons A/C Installer Kits
• Fits 2015-2020 Toyota 4Runner, N/A
• Includes compressor oil with PAG Oil / 46 specification
• Includes block-type expansion valve with O-ring inlet and outlet connections
• Includes desiccant bag kit, expansion valve, compressor oil, O-ring kit, gaskets, and seals
• Configured for R134a refrigerant systems
• Limited lifetime warranty

Product Details

The Four Seasons A/C Installer Kits line is built around service-focused HVAC components for compressor replacement jobs. The 10370SK kit is organized for Toyota 4Runner A/C service work and includes the parts needed to address refrigerant circuit sealing and metering at the same time as compressor replacement. The included expansion valve uses a block-type design with O-ring inlet and outlet connections, while the included PAG 46 oil supports the system’s lubrication requirements for R134a service.

This part cross-references Monroe Shocks & Struts (e.g., 550439, MUK10359) for the same application. If you are searching for a Toyota 4Runner A/C compressor replacement service kit, Four Seasons 10370SK provides a direct-fit service solution for the listed model years.

Common Problems This Kit Helps Address

• Compressor replacement service on a 2015-2020 Toyota 4Runner
• Refrigerant leaks at O-ring and gasket sealing points
• Restricted or inconsistent refrigerant flow through the expansion valve
• Moisture contamination in the A/C system desiccant circuit
• Incorrect oil type during R134a compressor service

Installation Notes and Tips

Verify the vehicle’s refrigerant type before service; this kit is specified for R134a systems. Replace sealing components during compressor service, and confirm the expansion valve and oil specification match the vehicle’s A/C requirements. Always evacuate and recharge the system according to factory service procedures after installation.

Quality Assurance

Four Seasons backs the 10370SK with a limited lifetime warranty. For buyers comparing Toyota 4Runner A/C service parts, this kit combines the listed service components in one application-specific package for 2015-2020 Toyota 4Runner models.