Four Seasons
New Compressor

Four Seasons 158394 A/C Compressor

Brand Four Seasons 158394
Refrigerant Type R1234yf
Oil Filled Included
Pulley Groove Quantity 6
Terminal Type Lead wire
Distance From Clutch To Mounting Flange 1.734375
Clutch Maximum Diameter 4.36
Clutch Included Included
Coil Clock Position 1 wire lead
Compressor Type Hv14
Coil Voltage 12
Pulley Belt Type Serpentine
Mounting Type Tangent mount
Pulley Lip Diameter 4.36
Pulley Ridge Diameter 4.36
Mounting Hardware? Not included
New or Reman New
O-Ring A Number/Desc [24608]
O-Ring A Quantity 1
O-Ring B Number/Desc [24610]
O-Ring B Quantity 1
Type Hannon
Product line New Compressor
Fits Mazda · 20 vehicles

New compressor. Factory-fresh replacement for dependable A/C performance.

Clutch included. Ready for a complete compressor and clutch assembly.

R1234yf refrigerant. Built for modern A/C systems using this refrigerant.

Cross-references Four Seasons 158394, 640032 and A76519 for the same application. See all 6.

$458.54Free 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 — free returns if it doesn't
Step 2 — Quantity
Order total $458.54
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Four Seasons 158394 A/C Compressor Overview

The Four Seasons New Compressor 158394 is a new HV14 A/C compressor for R1234yf systems with clutch included and oil filled. It is built for select Mazda applications, including Mazda 3, Mazda 3 Sport, CX-30, and CX-50 models listed below.

Four Seasons New Compressor line focuses on direct replacement HVAC components for vehicle-specific service needs. This Four Seasons 158394 compressor is configured with a 12V coil, lead wire terminal, tangent mount design, and serpentine pulley setup for the listed Mazda fitments.

Key Features

  • New A/C compressor assembly
  • Refrigerant type: R1234yf
  • Oil filled: included
  • Clutch included
  • Compressor type: HV14
  • 12V coil with lead wire terminal
  • 6-groove serpentine pulley
  • Tangent mount design
  • Includes O-ring A [24608] and O-ring B [24610] sealing components

Vehicle Fitment

  • Fits 2021-2025 Mazda 3, N/A; New w/ Clutch; New Compressor
  • Fits 2020-2025 Mazda CX-30, N/A; New w/ Clutch; New Compressor
  • Fits 2023-2025 Mazda CX-50, N/A; New w/ Clutch; New Compressor
  • Fits 2021-2022 Mazda 3 Sport, N/A; New w/ Clutch; New Compressor
  • Fits 2019-2020 Mazda 3, N/A; w/ HV14 Compressor; New w/ Clutch; New Compressor
  • Fits 2019-2020 Mazda 3 Sport, N/A; w/ HV14 Compressor; New w/ Clutch; New Compressor

Detailed Description

This Four Seasons 158394 compressor is a direct-fit HVAC replacement for Mazda vehicles equipped with the HV14 compressor configuration and R1234yf refrigerant. It is specified for Mazda 3 and Mazda 3 Sport applications from 2019-2022, plus Mazda 3, CX-30, and CX-50 applications through 2025 as listed in the fitment data. The unit includes the clutch and comes oil filled, which supports service replacement on the listed vehicles.

Cross-reference part numbers for this application include 640032 and A76519. If you are replacing a worn compressor on a Mazda 3, Mazda CX-30, or Mazda CX-50, verify the HV14 configuration, pulley setup, and connector style against the original unit before installation. Four Seasons 158394 is also referenced by Four Seasons part number 158394.

Common Issues This Part May Resolve

  • Loss of A/C cooling output from a failed compressor
  • Noise from a worn compressor clutch or internal compressor wear
  • Refrigerant circulation problems in R1234yf systems
  • Compressor seizure or intermittent compressor engagement
  • HVAC performance issues on Mazda 3, Mazda 3 Sport, CX-30, and CX-50 applications

Installation Notes and Tips

Confirm the vehicle uses R1234yf refrigerant and the HV14 compressor style before ordering. Match the 6-groove serpentine pulley, 12V lead wire connection, tangent mount layout, and clutch configuration to the original part. Mounting hardware is not included, so reuse or source the correct hardware separately as needed. Replace the specified O-rings during service and follow the vehicle manufacturer’s evacuation, oil, and recharge procedures.

Quality Assurance

Four Seasons supplies HVAC replacement components for service applications, and the New Compressor line is built for direct replacement use on the listed Mazda fitments. This part is new, not remanufactured, and is specified with the included clutch and oil-filled configuration for the applications shown.

This part fits 20 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
2025Mazda3N/ANew w/ Clutch; New Compressor
2025MazdaCX-30N/ANew w/ Clutch; New Compressor
2025MazdaCX-502.5LL4GASN/ANew w/ Clutch; New Compressor
2024Mazda3N/ANew w/ Clutch; New Compressor
2024MazdaCX-30N/ANew w/ Clutch; New Compressor
2024MazdaCX-50N/ANew w/ Clutch; New Compressor
2023Mazda3N/ANew w/ Clutch; New Compressor
2023MazdaCX-30N/ANew w/ Clutch; New Compressor
2023MazdaCX-50N/ANew w/ Clutch; New Compressor
2022Mazda3N/ANew w/ Clutch; New Compressor
2022Mazda3 SportN/ANew w/ Clutch; New Compressor
2022MazdaCX-30N/ANew w/ Clutch; New Compressor
2021Mazda3N/ANew w/ Clutch; New Compressor
2021Mazda3 SportN/ANew w/ Clutch; New Compressor
2021MazdaCX-30N/ANew w/ Clutch; New Compressor
2020Mazda3N/Aw/ HV14 Compressor; New w/ Clutch; New Compressor
2020Mazda3 SportN/Aw/ HV14 Compressor; New w/ Clutch; New Compressor
2020MazdaCX-30N/ANew w/ Clutch; New Compressor
2019Mazda32.5LL4N/Aw/ HV14 Compressor; New w/ Clutch; New Compressor
2019Mazda3 Sport2.5LL4N/Aw/ HV14 Compressor; New w/ Clutch; New Compressor
Directly replaces or cross-references 6 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 158394640032A76519BDGF61450BDGH61450MZBDGF61450