Four Seasons
A/C Installer Kits

Four Seasons 30123SK A/C Compressor Replacement Service Kit

Brand Four Seasons 30123SK
Compressor Oil Included Included
Compressor Oil Type PAG Oil / 46
Expansion Device Type Block Type
Expansion Valve Inlet Type Sealing Washer
Expansion Valve Outlet Type Insert O-Ring
Gasket / Seals? Included
Kit Includes Filter Drier, Expansion Valve, Compressor Oil, O-Ring/Gasket Pack, Cap and Valve Kit
Receiver Drier/Accumulator Diameter IN 3.000
Receiver Drier/Accumulator Inlet Fitting Type Pad Mount
Receiver Drier/Accumulator Length IN 4.000
Receiver Drier/Accumulator Outlet Fitting Size IN .613
Receiver Drier/Accumulator Outlet Fitting Type P-Nut Fitting
Refrigerant Type R134a
Type A/C Service Kits
Warranty Limited Lifetime
Product line A/C Installer Kits
Fits Ford, Mercury, and Mazda · 32 vehicles

Complete service kit. Includes the filter drier, expansion valve, compressor oil, and seal pack.

PAG 46 oil included. Supplies the correct lubricant for R134a A/C service.

Block-type expansion device. Built with sealing washer inlet and insert O-ring outlet connections.

Cross-references Four Seasons 30123SK, 551216 and MUK30003 for the same application. See all 4.

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Four Seasons A/C Service Kit for Ford, Mercury, and Mazda

Four Seasons 30123SK is an A/C compressor replacement service kit built for R134a systems that need the core service components replaced during compressor work. It includes PAG 46 compressor oil, a block-type expansion valve, a filter drier, an O-ring/gasket pack, and a cap and valve kit for a complete service-focused repair.

This Four Seasons A/C Installer Kits product line is aimed at compressor replacement jobs where the technician needs the matching service parts in one package. Four Seasons 30123SK is a practical choice for Ford Escape, Mercury Mariner, and Mazda Tribute applications that use the listed A/C service configuration.

Key Features

  • Part number: 30123SK
  • A/C compressor replacement service kit for R134a systems
  • Includes PAG Oil / 46 compressor oil
  • Block-type expansion valve
  • Filter drier included
  • O-ring/gasket pack included
  • Cap and valve kit included
  • Receiver drier/accumulator dimensions: 3.000 in. diameter, 4.000 in. length
  • Receiver drier/accumulator inlet fitting type: pad mount
  • Receiver drier/accumulator outlet fitting type: P-nut fitting
  • Limited lifetime warranty

Detailed Description

Four Seasons 30123SK is an A/C service kit for compressor replacement work on select Ford Escape, Mercury Mariner, and Mazda Tribute vehicles. The kit is built around the service parts commonly replaced when opening the system, including the filter drier, expansion valve, compressor oil, sealing components, and cap and valve kit. The expansion valve uses a sealing washer inlet and insert O-ring outlet, and the kit is configured for R134a refrigerant systems.

Use Four Seasons 30123SK when servicing 2008-2011 Ford Escape, 2008-2011 Mercury Mariner, 2011 Mercury Mariner with PAG 46 compressor oil, 2008-2009 Mazda Tribute, and 2012 Ford Escape applications listed for this kit. This part number, 30123SK, is also cross-referenced to 551216 and PK0029 for the same application.

What This Kit Helps Address

  • Compressor replacement service on an R134a A/C system
  • Loss of cooling after opening the A/C circuit for repair
  • Leaking or worn sealing points at the expansion valve and connections
  • Restricted refrigerant flow related to a worn expansion valve or drier
  • Service needs on Ford Escape, Mercury Mariner, and Mazda Tribute A/C systems

Installation Notes and Tips

  • Verify vehicle year, make, model, and A/C configuration before installation.
  • Replace the filter drier and sealing components whenever the system has been opened.
  • Use the specified PAG 46 oil amount and refrigerant service procedure for the vehicle.
  • Inspect mating surfaces and fittings before installing the expansion valve and drier.
  • Evacuate and recharge the system according to OEM service specifications after repair.

Quality Assurance

Four Seasons 30123SK is backed by a limited lifetime warranty. Four Seasons A/C Installer Kits are built for service applications where the correct compressor-related components need to be replaced together during HVAC repair.

This part fits 32 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
2012FordEscape3.0LV6—N/AIncludes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2012FordEscape3.0LV6FLEXN/AIncludes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2012FordEscape2.5LL4—N/AIncludes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2012FordEscape2.5LL4GASN/AIncludes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2011FordEscape3.0LV6—N/AFront Kit; Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2011FordEscape3.0LV6FLEXN/AFront Kit; Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2011FordEscape2.5LL4—N/AFront Kit; Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2011FordEscape2.5LL4GASN/AFront Kit; Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2011MercuryMariner3.0LV6—N/AIncludes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2011MercuryMariner3.0LV6FLEXN/AIncludes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2011MercuryMariner2.5LL4GASN/Aw/ PAG 46 Compressor Oil; Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2011MercuryMariner2.5LL4ELECTRIC/GASN/Aw/ PAG 46 Compressor Oil; Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2010FordEscape3.0LV6—N/AFront Kit; Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2010FordEscape3.0LV6FLEXN/AFront Kit; Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2010FordEscape2.5LL4GASN/AFront Kit; Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2010MercuryMariner3.0LV6—N/AIncludes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2010MercuryMariner3.0LV6FLEXN/AIncludes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2010MercuryMariner2.5LL4GASN/AIncludes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2009FordEscape3.0LV6—N/AFront Kit; Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2009FordEscape3.0LV6GASN/AFront Kit; Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2009FordEscape2.5LL4GASN/AFront Kit; Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2009MazdaTribute2.5LL4ELECTRIC/GASN/AFront Kit; Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2009MercuryMariner3.0LV6—N/AIncludes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2009MercuryMariner3.0LV6GASN/AIncludes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2009MercuryMariner2.5LL4GASN/AIncludes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2008FordEscape2.3LL4GASN/AFront Kit; Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2008FordEscape3.0LV6—N/AFront Kit; Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2008FordEscape3.0LV6GASN/AFront Kit; Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2008MazdaTribute2.3LL4ELECTRIC/GASN/AFront Kit; Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2008MercuryMariner2.3LL4GASN/AIncludes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2008MercuryMariner3.0LV6—N/AIncludes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2008MercuryMariner3.0LV6GASN/AIncludes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 30123SK551216MUK30003PK0029