Four Seasons 30088SK A/C Compressor Replacement Service Kit

Four Seasons A/C Installer Kit for Explorer and Mountaineer

Four Seasons 30088SK is an A/C compressor replacement service kit built for R134a systems that use an orifice tube expansion device. It includes the core service components needed when replacing A/C compressor-related parts on select Ford Explorer and Mercury Mountaineer applications.

The Four Seasons A/C Installer Kits line focuses on application-specific service parts for HVAC repairs. This kit includes PAG 46 compressor oil, an accumulator, an orifice tube, a rear expansion valve, an O-ring/gasket pack, and a cap and valve kit for a complete service-oriented repair approach.

• Part number: 30088SK
• Includes accumulator, orifice tube, rear expansion valve, compressor oil, O-ring/gasket pack, and cap and valve kit
• Uses PAG Oil / 46 for R134a A/C systems
• Orifice tube style: standard, red color, .062 in. diameter
• Receiver drier/accumulator: 3.500 in. diameter, 9.750 in. length, pad mount inlet and outlet fittings
• Gaskets and seals included
• Limited lifetime warranty

Detailed Product Overview

Four Seasons 30088SK is intended for A/C service work on 2003 Ford Explorer, 2004-2005 Ford Explorer, and 2003-2005 Mercury Mountaineer vehicles. It is a direct-fit service kit for systems using an orifice tube and R134a refrigerant, making it a practical choice when servicing the compressor circuit, accumulator, and related sealing points. If you are searching for a Ford Explorer A/C compressor replacement service kit or a Mercury Mountaineer HVAC service kit, 30088SK provides the matched components needed for these applications.

This part cross-references Monroe Shocks & Struts (e.g., 551103, MUK30037) for the same application.

What This Kit Helps Address

• Leaking or worn A/C seals and O-rings
• Restricted or contaminated orifice tube flow
• Accumulator replacement during compressor service
• Rear A/C expansion valve service on supported applications
• R134a system maintenance after compressor replacement

Installation Notes and Tips

Verify the vehicle’s refrigerant type and expansion device style before installation. This kit is for R134a systems with an orifice tube setup, and the included pad-mount accumulator dimensions should be matched to the original part before assembly. Replace the sealing components during service and follow proper evacuation, oil balancing, and recharge procedures for the vehicle’s A/C system.

Quality Assurance

Four Seasons backs part number 30088SK with a limited lifetime warranty. The kit is built for service replacement use on confirmed Explorer and Mountaineer applications, with components selected to support a complete A/C repair workflow.