Four Seasons 30091SK A/C Compressor Replacement Service Kit

Product Overview

Four Seasons 30091SK is an A/C service kit for vehicles that use R134a refrigerant and a block-type expansion device. It includes the core service components needed for a compressor replacement job, with PAG 46 oil, seals, and a cap and valve kit.

Compatible With Nissan Pathfinder and INFINITI QX60 applications, this kit is built around the service parts commonly needed when restoring A/C system operation. The Four Seasons 30091SK part number is also referenced as 30091SK for ordering and catalog lookup.

Key Features

• Includes compressor oil with PAG 46 formulation.
• Uses a block-type expansion device with O-ring inlet and outlet connections.
• Includes a filter drier, expansion valve, rear expansion valve, and seal components.
• Configured for R134a A/C systems.
• Four Seasons A/C Installer Kits line for service-focused replacement work.

Detailed Description

The Four Seasons 30091SK A/C Compressor Replacement Service Kit is organized for repair work that requires multiple A/C service components in one package. The kit includes a filter drier, expansion valve, rear expansion valve, compressor oil, an O-ring and gasket pack, and a cap and valve kit. The receiver drier/accumulator uses a pad-mount design with the listed dimensions and outlet fitting size, which helps match the original service layout on supported applications.

For fitment, this kit covers Fits 2013-2019 Nissan Pathfinder, N/A and Fits 2014-2019 INFINITI QX60, N/A, plus Fits 2013 INFINITI JX35, N/A and Fits 2020 Nissan Pathfinder, N/A. It is a practical match for Nissan Pathfinder and INFINITI QX60 A/C service work where the system calls for the listed components and refrigerant type. Part number 30091SK should be used when confirming catalog match and ordering.

This part cross-references Interchanges (e.g., 550757, MUK30034) for the same application.

What It Is Used For

• Replacing worn A/C service components during compressor-related repairs.
• Restoring refrigerant control through the expansion valve circuit.
• Addressing leaks at seals, O-rings, and gasket interfaces.
• Refreshing the receiver drier/accumulator during system service.
• Supporting R134a system maintenance on listed applications.

Installation Notes and Tips

Verify the vehicle’s refrigerant type, expansion device style, and receiver drier/accumulator mounting style before installation. Confirm the part number 30091SK against the catalog and compare the existing A/C service components to the listed kit contents. Follow standard A/C service procedures for evacuation, component replacement, and recharge.

Quality Assurance

Four Seasons backs this kit with a limited lifetime warranty. The A/C Installer Kits line is built for service replacement applications where the listed components and refrigerant specification must match the vehicle system.