Four Seasons
Evaporator Core

Four Seasons 64185 A/C Evaporator Core

Brand Four Seasons 64185
O-Rings Included Included
Inlet Fitting Gender Male
Outlet Fitting Gender Male
Core Depth Fraction 1-3/4
Core Depth MM 44.45
Core Height Fraction 9-9/16
Core Height MM 242.89
Core Width Fraction 9
Core Width MM 228.6
Description Evaporator cores
Type Parallel
Product line Evaporator Core
Fits Mazda · 8 vehicles

Parallel design. Promotes efficient refrigerant flow through the evaporator core.

O-rings included. Helps simplify installation with the needed seals on hand.

Backed by over 50 years of mobile A/C experience.

Cross-references Four Seasons 64185, Global Parts Distributors LLC 4712127 and Nissens 92866 for the same application. See all 11.

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Four Seasons 64185 A/C Evaporator Core

Four Seasons 64185 is an A/C evaporator core built for the HVAC system in select 2010-2013 Mazda 3 and Mazda 3 Sport models. It features a parallel-flow design, male inlet and outlet fittings, and included O-rings for a direct-service replacement.

Key Features

  • Brand: Four Seasons Evaporator Core line
  • Part number: 64185
  • Parallel evaporator core construction
  • Male inlet fitting and male outlet fitting
  • O-rings included
  • Core dimensions: 9 in. wide, 9-9/16 in. high, 1-3/4 in. deep
  • Fits 2010-2013 Mazda 3 and 2010-2013 Mazda 3 Sport

Product Details

The Four Seasons Evaporator Core line focuses on HVAC replacement parts engineered and tested for dependable operation. This Four Seasons 64185 evaporator core is sized for the factory air conditioning system in the Mazda 3 and Mazda 3 Sport, helping restore proper refrigerant flow through the evaporator assembly. The parallel design supports efficient heat exchange, while the listed fitting style and included O-rings help match the original service configuration.

This part cross-references Nissens 92866 for the same application.

Common HVAC Issues It Can Address

  • Weak cabin cooling from a restricted or leaking evaporator core
  • Refrigerant loss caused by worn internal passages or sealing surfaces
  • Uneven A/C performance in the Mazda 3 or Mazda 3 Sport
  • HVAC system contamination after evaporator failure
  • Reduced air conditioning efficiency in 2010-2013 Mazda 3 models

Installation Notes

Verify the vehicle’s year, model, and HVAC configuration before installation. Compare the core dimensions, male fitting style, and O-ring requirements to the original unit before reassembly. Because evaporator replacement typically requires access to the HVAC case, proper evacuation, recovery, and recharge procedures should be followed by a qualified technician.

Quality Assurance

Four Seasons backs this evaporator core with more than 50 years of mobile A/C experience and states that its products are engineered and tested for trouble-free operation.

This part fits 8 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2013Mazda32.5LL4N/AEvaporator Core
2013Mazda3 Sport2.0LL4N/AEvaporator Core
2012Mazda3N/AEvaporator Core
2012Mazda3 SportN/AEvaporator Core
2011Mazda3N/AEvaporator Core
2011Mazda3 SportN/AEvaporator Core
2010Mazda3N/AEvaporator Core
2010Mazda3 SportN/AEvaporator Core
Directly replaces or cross-references 11 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 64185Global Parts Distributors LLC — 4712127Nissens — 92866Spectra Premium — 1010248TYC — 97290UAC — EV939931PFXC2892405905912733980A89240BBM461J10