Four Seasons
A/C Installer Kits

Four Seasons 40026SK A/C Compressor Replacement Service Kit

Brand Four Seasons 40026SK
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, Compressor Oil, O-Ring Kit
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 Chevrolet · 2 vehicles

A/C service kit. Includes the core components needed for compressor replacement service.

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

Seals and gaskets included. Helps support a cleaner, more complete service job.

Cross-references Four Seasons 40026SK, 550828 and MUK40006 for the same application. See all 4.

$57.50Free shipping
In stock · usually ships same day before 1pm CST
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 β€” free returns if it doesn't
Step 2 — Quantity
Order total $57.50
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Four Seasons A/C Installer Kit for Silverado HD

The Four Seasons 40026SK A/C Installer Kit is built for A/C compressor replacement service on select 2015 Chevrolet Silverado 2500 HD and Silverado 3500 HD models with R134a refrigerant. It includes the core service components needed when opening the system for compressor-related repairs, with PAG 46 compressor oil, an expansion valve, a desiccant bag kit, and O-ring kit.

As part of the Four Seasons A/C Installer Kits line, this service kit is organized for compressor replacement work where the system needs sealing components and refrigerant-side service parts matched to the application. The 40026SK is a direct-fit service solution for 2015 Chevrolet Silverado 2500 HD and 2015 Chevrolet Silverado 3500 HD trucks using R134a.

Key Features

  • Four Seasons 40026SK A/C Compressor Replacement Service Kit
  • Includes PAG Oil / 46 compressor oil
  • Includes block-type expansion valve with sealing washer inlet and outlet
  • Includes desiccant bag kit and O-ring kit
  • Designed for R134a A/C systems
  • Limited lifetime warranty

Detailed Description

This A/C service kit is intended for compressor replacement on 2015 Chevrolet Silverado 2500 HD and Silverado 3500 HD applications that use R134a refrigerant and PAG 46 compressor oil. The kit brings together the expansion valve, compressor oil, desiccant bag kit, and sealing components needed to support a proper A/C system service after compressor removal. The Four Seasons 40026SK is a practical choice when restoring refrigerant circuit integrity on these Silverado HD trucks.

This part cross-references Monroe Shocks & Struts (e.g., 550828, MUK40006) for the same application.

What This Kit Helps Address

  • Compressor replacement service on 2015 Chevrolet Silverado 2500 HD and 3500 HD
  • Refrigerant leaks at O-rings, gaskets, or sealing washers
  • Expansion valve service during A/C repair
  • Moisture control needs after opening the A/C system
  • System reassembly for R134a-based HVAC repairs

Installation Notes and Tips

Verify the vehicle uses R134a refrigerant before installation. Match the compressor oil specification to the system requirement; this kit includes PAG 46 oil. Replace the expansion valve, desiccant bag kit, and sealing components during compressor service to help restore proper A/C system sealing. Confirm fitment by year, make, and model before ordering the Four Seasons 40026SK.

Quality Assurance

Four Seasons backs this A/C Installer Kit with a limited lifetime warranty. The 40026SK is part of the Four Seasons A/C Installer Kits product line, built for service-focused HVAC repairs on select Chevrolet Silverado HD applications.

This part fits 2 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2015ChevroletSilverado 2500 HD6.6LV8N/Aw/ R134a; w/ PAG 46 Compressor Oil; Includes: Dessicant Bag Kit, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
2015ChevroletSilverado 3500 HD6.6LV8N/Aw/ R134a; w/ PAG 46 Compressor Oil; Includes: Dessicant Bag Kit, 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 — 40026SK550828MUK40006PK0204