/live/media/FS/FS_20145SK_Fro.jpg)
OE Quality
60-Day Returns
Four SeasonsPart #: 20145SK
Four Seasons 20145SK A/C Compressor Replacement Service Kit
42 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$74.97Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship
Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
A/C Installer Kits
Fitment: Mazda, 6, CX-5, 3, and 3 Sport
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? See all A/C Compressor Replacement Service Kit options
Reliable A/C Compressor Replacement Kit for Mazda Vehicles
The Four Seasons 20145SK A/C Compressor Replacement Service Kit is designed specifically for Mazda 3, Mazda 3 Sport, Mazda 6, and Mazda CX-5 models. This comprehensive kit includes all necessary components to service and replace your vehicle's A/C compressor system efficiently and correctly.
- Includes compressor oil (Pag oil / 46) for optimal lubrication
- Block type expansion device with O-ring inlet and outlet for secure sealing
- Complete gasket and seal pack included for leak-free installation
- Filter drier and receiver drier with precise dimensions (1.375" diameter, 11" length)
- Compatible with R134a refrigerant systems
- Receiver drier features a .482" pad mount outlet fitting
- Limited lifetime warranty for long-term reliability
About Four Seasons A/C Installer Kits
The Four Seasons A/C Installer Kits product line offers professional-grade service kits tailored to specific vehicle applications. These kits provide all essential components needed for A/C compressor replacement and system servicing, ensuring compatibility and ease of installation. The 20145SK kit is part of this line, delivering a complete solution for Mazda A/C systems that use R134a refrigerant.
Comprehensive Kit Details and Features
This A/C compressor replacement service kit includes compressor oil (Pag oil / 46), which is critical for maintaining compressor performance and longevity. The block type expansion device is equipped with O-ring inlet and outlet fittings, ensuring a secure and leak-resistant connection. The included gasket and seal pack further supports a tight system seal to prevent refrigerant loss. The filter drier and receiver drier are precisely sized to fit Mazda 3, 3 Sport, 6, and CX-5 models, with a 1.375-inch diameter and 11-inch length receiver drier featuring a .482-inch pad mount outlet fitting. This kit is designed for vehicles using R134a refrigerant, making it a direct fit for the specified Mazda models.
Common Applications and Issues Addressed
- Replacement of worn or damaged A/C compressor components
- Resolving refrigerant leaks due to faulty seals or gaskets
- Restoring proper refrigerant flow with a new expansion valve
- Improving A/C system efficiency by replacing clogged filter driers
- Servicing Mazda 3, 3 Sport, 6, and CX-5 A/C systems using R134a refrigerant
Installation Notes and Tips
- Ensure all old refrigerant is properly recovered before servicing
- Use the included Pag oil / 46 compressor oil to lubricate the compressor
- Replace all O-rings and gaskets to maintain system integrity
- Verify receiver drier dimensions and fitting type for compatibility
- Follow Mazda manufacturer guidelines for refrigerant charging and system evacuation
Quality Assurance and Warranty
The Four Seasons 20145SK kit comes with a limited lifetime warranty, reflecting the brand's commitment to quality and durability. Each component is manufactured to meet or exceed OEM specifications, ensuring reliable performance in Mazda 3, 3 Sport, 6, and CX-5 vehicles. This warranty provides added confidence for professional technicians and DIY installers alike.
| Brand | Four Seasons |
|---|---|
| Part Number | 20145SK |
| Position | A/C Installer Kits |
| Compressor Oil Included | Included |
| Compressor Oil Type | PAG Oil / 46 |
| Expansion Device Type | Block Type |
| Expansion Valve Inlet Type | O-Ring |
| Expansion Valve Outlet Type | 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 | 1.375 |
| Receiver Drier/Accumulator Length IN | 11.000 |
| Receiver Drier/Accumulator Outlet Fitting Size IN | .482 |
| Receiver Drier/Accumulator Outlet Fitting Type | Pad Mount |
| Refrigerant Type | R134a |
| Type | A/C Service Kits |
| Warranty | Limited Lifetime |
This part fits 42 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2021 | Mazda | 6 | N/A | Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits | ||
| 2021 | Mazda | CX-5 | N/A | Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits | ||
| 2020 | Mazda | 6 | 2.5L | L4 | N/A | Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits |
| 2020 | Mazda | CX-5 | 2.5L | L4 | N/A | Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits |
| 2019 | Mazda | 6 | 2.5L | L4 | N/A | Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits |
| 2019 | Mazda | CX-5 | 2.5L | L4 | N/A | Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits |
| 2018 | Mazda | 3 | 2.5L | L4 | N/A | Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits |
| 2018 | Mazda | 3 | 2.0L | L4 | N/A | Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits |
| 2018 | Mazda | 3 Sport | 2.5L | L4 | N/A | Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits |
| 2018 | Mazda | 3 Sport | 2.0L | L4 | N/A | Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits |
| 2018 | Mazda | 6 | 2.5L | L4 | N/A | Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits |
| 2018 | Mazda | CX-5 | 2.5L | L4 | N/A | Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits |
| 2018 | Mazda | CX-5 | 2.0L | L4 | N/A | Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits |
| 2017 | Mazda | 3 | 2.5L | L4 | N/A | Excl. Mexican Built; Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits |
| 2017 | Mazda | 3 | 2.0L | L4 | N/A | Excl. Mexican Built; Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits |
| 2017 | Mazda | 3 Sport | 2.5L | L4 | N/A | Excl. Mexican Built; Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits |
| 2017 | Mazda | 3 Sport | 2.0L | L4 | N/A | Excl. Mexican Built; Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits |
| 2017 | Mazda | 6 | 2.5L | L4 | N/A | Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits |
| 2017 | Mazda | CX-5 | 2.5L | L4 | N/A | Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits |
| 2017 | Mazda | CX-5 | 2.0L | L4 | N/A | Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits |
| 2016 | Mazda | 3 | 2.5L | L4 | N/A | Excl. Mexican Built; Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits |
| 2016 | Mazda | 3 | 2.0L | L4 | N/A | Excl. Mexican Built; Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits |
| 2016 | Mazda | 3 Sport | 2.5L | L4 | N/A | Excl. Mexican Built; Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits |
| 2016 | Mazda | 3 Sport | 2.0L | L4 | N/A | Excl. Mexican Built; Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits |
| 2016 | Mazda | 6 | 2.5L | L4 | N/A | Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits |
| 2016 | Mazda | CX-5 | 2.5L | L4 | N/A | Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits |
| 2016 | Mazda | CX-5 | 2.0L | L4 | N/A | Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits |
| 2015 | Mazda | 3 | 2.5L | L4 | N/A | To 1/15; Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits |
| 2015 | Mazda | 3 | 2.0L | L4 | N/A | To 1/15; Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits |
| 2015 | Mazda | 3 Sport | 2.5L | L4 | N/A | To 1/15; Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits |
| 2015 | Mazda | 3 Sport | 2.0L | L4 | N/A | To 1/15; Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits |
| 2015 | Mazda | 6 | 2.5L | L4 | N/A | Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits |
| 2015 | Mazda | CX-5 | 2.5L | L4 | N/A | Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits |
| 2015 | Mazda | CX-5 | 2.0L | L4 | N/A | Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits |
| 2014 | Mazda | 3 | 2.5L | L4 | N/A | Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits |
| 2014 | Mazda | 3 | 2.0L | L4 | N/A | Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits |
| 2014 | Mazda | 3 Sport | 2.5L | L4 | N/A | Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits |
| 2014 | Mazda | 3 Sport | 2.0L | L4 | N/A | Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits |
| 2014 | Mazda | 6 | 2.5L | L4 | N/A | Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits |
| 2014 | Mazda | CX-5 | 2.5L | L4 | N/A | Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits |
| 2014 | Mazda | CX-5 | 2.0L | L4 | N/A | Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits |
| 2013 | Mazda | CX-5 | 2.0L | L4 | N/A | Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
20145SK550625MUK20142PK0201
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.