Four Seasons
A/C Installer Kits

Four Seasons 20044SK A/C Compressor Replacement Service Kit

Brand Four Seasons 20044SK
Cap Tube Lgth IN 7.500
Compressor Oil Included Included
Compressor Oil Type Pag oil / 46
Expansion Device Type Txv
Gasket / Seals? Included
Kit Includes Filter drier, expansion valve, compressor oil, o-ring/gasket pack
Receiver Drier/Accumulator Diameter IN 2.500
Receiver Drier/Accumulator Inlet Fitting Size IN 0.500
Receiver Drier/Accumulator Inlet Fitting Size MM 12.700
Receiver Drier/Accumulator Inlet Fitting Type Pad mount
Receiver Drier/Accumulator Length IN 7.000
Receiver Drier/Accumulator Outlet Fitting Size IN 0.500
Receiver Drier/Accumulator Outlet Fitting Size MM 12.700
Receiver Drier/Accumulator Outlet Fitting Type Pad mount
Refrigerant Type R134a
Type A/c service kits
Warranty Limited lifetime
Product line A/C Installer Kits
Fits Mitsubishi · 29 vehicles

A/C service kit. Includes the key components needed for a complete compressor replacement.

Compressor oil included. Pre-filled with PAG 46 oil for proper system service.

Seals and gaskets included. Helps simplify reassembly with an O-ring and gasket pack.

Cross-references Four Seasons 20044SK, 550250 and MUK20243 for the same application. See all 4.

$58.73Free shipping
Out of stock
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $58.73
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

A/C Service Kit for Mitsubishi Applications

The Four Seasons 20044SK A/C Installer Kit is built for Mitsubishi vehicles that need a complete air conditioning service solution. It combines the core replacement components needed for compressor-related A/C repair, including a filter drier, expansion valve, PAG 46 compressor oil, O-ring/gasket pack, and cap and valve kit.

Four Seasons A/C Installer Kits are organized for service work where multiple A/C wear items are replaced together. This kit is a direct fit for select Mitsubishi Montero Sport, Mirage, and Mighty Max applications, including 2004 Mitsubishi Montero Sport and earlier Montero Sport, Mirage, and Mighty Max model years listed below.

Key Features

  • Part number: 20044SK
  • Brand: Four Seasons A/C Installer Kits
  • Type: A/C Compressor Replacement Service Kit
  • Includes filter drier, expansion valve, compressor oil, O-ring/gasket pack, and cap and valve kit
  • Uses PAG Oil / 46
  • Designed for R134a refrigerant systems
  • TXV expansion device type
  • Receiver drier/accumulator with pad mount inlet and outlet fittings
  • Limited Lifetime warranty

Detailed Description

The Four Seasons 20044SK is an A/C compressor replacement service kit for Mitsubishi HVAC systems that use R134a refrigerant. It includes the major service components commonly replaced during compressor-related repair: a filter drier, TXV expansion valve, compressor oil, sealing components, and a cap and valve kit. The included compressor oil is PAG 46, which is specified for the application details provided.

This kit is listed for 2004 Mitsubishi Montero Sport, 2000-2003 Mitsubishi Montero Sport, 1995-2002 Mitsubishi Mirage, and 1994-1996 Mitsubishi Mighty Max. If you are searching for a Mitsubishi Montero Sport A/C compressor replacement service kit, Mitsubishi Mirage A/C service kit, or Mitsubishi Mighty Max HVAC repair kit, part number 20044SK is the reference to use.

This part cross-references 550250 and MUK20243 for the same application.

What It Helps Address

  • Compressor replacement service on R134a A/C systems
  • Loss of cooling after A/C component wear or contamination
  • Leaking seals, O-rings, or gasket surfaces in the service area
  • Restricted refrigerant flow related to the expansion valve or filter drier
  • Service needs on Mitsubishi Montero Sport, Mirage, and Mighty Max A/C systems

Installation Notes

Verify the vehicle’s refrigerant type, expansion device style, and mounting configuration before installation. This kit uses a TXV expansion device and pad mount receiver drier/accumulator fittings, so matching the original system layout is important for proper service. Always evacuate and recharge the system according to the vehicle service procedure after replacing A/C components.

For fitment, use the exact vehicle listing: Fits 2004 Mitsubishi Montero Sport, N/A; Fits 2000-2003 Mitsubishi Montero Sport, N/A; Fits 1995-2002 Mitsubishi Mirage, N/A; Fits 1994-1996 Mitsubishi Mighty Max, N/A.

Quality Assurance

Four Seasons backs this A/C service kit with a Limited Lifetime warranty. The 20044SK is built as a service-focused replacement kit for Mitsubishi A/C repair work and is specified for R134a systems using PAG 46 oil.

This part fits 29 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2004MitsubishiMontero Sport3.5LV6N/AFront Kit; Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2003MitsubishiMontero Sport3.5LV6N/AIncludes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2003MitsubishiMontero Sport3.0LV6N/AIncludes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2002MitsubishiMirage1.8LL4N/AIncludes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2002MitsubishiMirage1.5LL4N/AIncludes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2002MitsubishiMontero Sport3.5LV6N/AIncludes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2002MitsubishiMontero Sport3.0LV6N/AIncludes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2001MitsubishiMirage1.8LL4N/AIncludes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2001MitsubishiMirage1.5LL4N/AIncludes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2001MitsubishiMontero Sport3.5LV6N/AIncludes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2001MitsubishiMontero Sport3.0LV6N/AIncludes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2000MitsubishiMirage1.8LL4N/AIncludes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2000MitsubishiMirage1.5LL4N/AIncludes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2000MitsubishiMontero Sport3.5LV6N/AIncludes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2000MitsubishiMontero Sport3.0LV6N/AIncludes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
1999MitsubishiMirage1.8LL4N/AIncludes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
1999MitsubishiMirage1.5LL4N/AIncludes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
1998MitsubishiMirage1.8LL4N/AIncludes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
1998MitsubishiMirage1.5LL4N/AIncludes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
1997MitsubishiMirage1.8LL4N/AIncludes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
1997MitsubishiMirage1.5LL4N/AIncludes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
1996MitsubishiMighty Max2.4LL4N/AIncludes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
1996MitsubishiMirage1.8LL4N/AIncludes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
1996MitsubishiMirage1.5LL4N/AIncludes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
1995MitsubishiMighty Max2.4LL4N/AIncludes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
1995MitsubishiMirage1.8LL4N/AIncludes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
1995MitsubishiMirage1.5LL4N/AIncludes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
1994MitsubishiMighty Max2.4LL4N/AIncludes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
1994MitsubishiMighty Max3.0LV6N/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 — 20044SK550250MUK20243PK0338