Four Seasons
A/C Installer Kits

Four Seasons 40009SK A/C Compressor Replacement Service Kit

Brand Four Seasons 40009SK
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 Sealing washer
Gasket / Seals? Included
Kit Includes Dessicant bag kit, expansion valve, rear expansion valve, compres
Receiver Drier/Accumulator Diameter IN 1.000
Refrigerant Type R134a
Type A/c service kits
Warranty Limited lifetime
Product line A/C Installer Kits
Fits Buick, Chevrolet, and GMC · 13 vehicles

A/C service kit. Includes compressor oil, expansion valves, seals, and related service components.

PAG 46 oil. Preselected lubricant supports proper A/C compressor service.

R134a compatible. Built for systems using R134a refrigerant.

Cross-references Four Seasons 40009SK, 550659 and MUK40023 for the same application. See all 4.

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Four Seasons A/C Installer Kit for GM SUVs

The Four Seasons 40009SK A/C Compressor Replacement Service Kit is built for HVAC service work on select Buick, Chevrolet, and GMC applications. It includes the core replacement components needed when servicing an R134a air conditioning system, with PAG 46 compressor oil, sealing washers, O-rings and gaskets, a desiccant bag kit, expansion valves, and a cap and valve kit.

As part of the Four Seasons A/C Installer Kits line, this kit is organized for compressor replacement service on vehicles such as the Buick Enclave, Chevrolet Traverse, and GMC Acadia. The 40009SK is a practical choice when you need the service parts commonly replaced during A/C compressor work.

Key Features

  • Four Seasons 40009SK A/C Compressor Replacement Service Kit
  • Includes PAG Oil / 46 compressor oil
  • Designed for R134a refrigerant systems
  • Includes desiccant bag kit, expansion valve, rear expansion valve, O-ring/gasket pack, and cap and valve kit
  • Block-type expansion device with sealing washer inlet and outlet connections
  • Receiver drier/accumulator diameter: 1.000 in.
  • Limited lifetime warranty

Detailed Description

The Four Seasons 40009SK is an A/C service kit for compressor replacement work on select GM crossover and SUV platforms. It is intended for vehicles that use R134a refrigerant and a block-type expansion device, and it includes the service components commonly addressed during an A/C repair. This kit cross-references Monroe Shocks & Struts 172286 and 182286 for the same application.

Compatible With 2013-2014 Buick Enclave, N/A; 2016-2017 Buick Enclave, N/A; 2013-2017 Chevrolet Traverse, N/A; and 2013-2016 GMC Acadia, N/A. The 40009SK part number is also a useful reference when sourcing the correct Four Seasons A/C Installer Kits package for these vehicles.

Common Issues This Kit May Address

  • Compressor replacement service on an R134a A/C system
  • Leaking or worn O-rings and gaskets at service connections
  • Restricted or aging expansion valve components
  • Moisture contamination in the A/C system desiccant circuit
  • Need for matched compressor oil during HVAC service

Installation Notes and Tips

Verify refrigerant type, expansion device style, and connection sealing style before installation. Replace the listed sealing components during compressor service to help restore proper sealing at the A/C system joints. Confirm vehicle-specific fitment for the Buick Enclave, Chevrolet Traverse, or GMC Acadia before ordering, and follow OEM service procedures for evacuation, oil balancing, and recharge.

Quality Assurance

Four Seasons backs this kit with a limited lifetime warranty. The 40009SK is built as a service-focused replacement kit for select GM applications, with the components needed for A/C compressor replacement work on compatible Buick, Chevrolet, and GMC models.

This part fits 13 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2017BuickEnclaveN/AIncludes: Dessicant Bag Kit, Expansion Valve, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2017ChevroletTraverseN/AIncludes: Dessicant Bag Kit, Expansion Valve, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2016BuickEnclaveN/AIncludes: Dessicant Bag Kit, Expansion Valve, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2016ChevroletTraverseN/AIncludes: Dessicant Bag Kit, Expansion Valve, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2016GMCAcadiaN/AIncludes: Dessicant Bag Kit, Expansion Valve, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2015ChevroletTraverseN/AIncludes: Dessicant Bag Kit, Expansion Valve, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2015GMCAcadiaN/AIncludes: Dessicant Bag Kit, Expansion Valve, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2014BuickEnclaveN/AIncludes: Dessicant Bag Kit, Expansion Valve, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2014ChevroletTraverseN/AIncludes: Dessicant Bag Kit, Expansion Valve, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2014GMCAcadiaN/AIncludes: Dessicant Bag Kit, Expansion Valve, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2013BuickEnclaveN/AIncludes: Dessicant Bag Kit, Expansion Valve, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2013ChevroletTraverseN/AIncludes: Dessicant Bag Kit, Expansion Valve, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2013GMCAcadiaN/AIncludes: Dessicant Bag Kit, Expansion Valve, 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 — 40009SK550659MUK40023PK0175