Four Seasons 20250SK A/C Compressor Replacement Service Kit

Mercedes-Benz A/C Service Kit for Compressor Replacement

Four Seasons 20250SK is an A/C compressor replacement service kit for select Mercedes-Benz models with R134a systems. It combines the core service components needed when replacing the compressor, including PAG 46 oil, a block-type expansion valve, a desiccant cartridge, and sealing components.

Four Seasons A/C Installer Kits are built for service work where the compressor circuit is being opened and the system needs the related replacement parts gathered in one package. This kit is organized for Mercedes-Benz SLK and C-Class applications that use the listed A/C service configuration.

Key Features

• Four Seasons 20250SK A/C compressor replacement service kit
• Includes compressor oil with PAG Oil / 46 specification
• Block-type expansion device with O-ring inlet and insert O-ring outlet
• Includes desiccant cartridge, expansion valve, O-ring/gasket pack, and cap and valve kit
• Designed for R134a refrigerant systems
• Pad-mount receiver drier/accumulator configuration
• Limited lifetime warranty

Product Details

This service kit is built around the components commonly replaced during A/C compressor service. The included desiccant cartridge helps support moisture control in the refrigerant circuit, while the expansion valve is specified as a block type with O-ring connections for the inlet and outlet. The kit also includes PAG 46 compressor oil and the necessary sealing components listed in the product data. Four Seasons 20250SK is a practical match for technicians servicing Mercedes-Benz SLK300, SLK350, SLK280, C240, C320, C32 AMG, C200, and C230 applications shown in the fitment data.

This part cross-references Monroe Shocks & Struts (e.g., MUK20039, PK0474) for the same application.

Common A/C Problems This Kit Addresses

• Compressor replacement service that requires related A/C circuit components
• Moisture contamination in the refrigerant system
• Expansion valve service on a block-type system
• Sealing issues at O-ring and gasket connection points
• R134a system maintenance on select Mercedes-Benz models

Installation Notes and Tips

• Verify the vehicle’s refrigerant type and component layout before installation.
• Replace the listed sealing components during compressor service to maintain proper connections.
• Confirm the expansion valve style and receiver drier/accumulator mounting style match the vehicle.
• Follow the correct oil charge procedure for the system after component replacement.
• Evacuate and recharge the system according to service specifications after repairs are complete.

Quality Assurance

Four Seasons 20250SK carries a limited lifetime warranty. It is intended for the listed Mercedes-Benz applications and follows the product specifications provided for the A/C service kit.