OE Quality
60-Day Returns

Universal Air HT399428C HVAC Heater Core
Reliable HVAC Heater Core for Mazda CX-5
The Universal Air Heater Core Aluminum HT399428C is designed specifically for the Mazda CX-5, providing efficient heating performance and durability. This HVAC heater core replacement ensures your vehicle's heating system operates smoothly during colder months.
- Compatible with Mazda CX-5 models
- Part number HT399428C for precise identification
- Constructed from durable aluminum for enhanced heat transfer
- Direct replacement for OEM heater core units
- Designed for HVAC systems requiring reliable core performance
About the Heater Core Aluminum Product Line
The Heater Core Aluminum line by Universal Air focuses on delivering heater cores made from aluminum, a material known for its excellent thermal conductivity and corrosion resistance. This product line is engineered to meet the heating demands of various vehicles, including the Mazda CX-5, ensuring consistent cabin warmth and system reliability.
Product Details and Compatibility
The Universal Air HT399428C heater core is an HVAC component tailored for the Mazda CX-5. Its aluminum construction allows for efficient heat exchange, contributing to the vehicle’s climate control system. This heater core is a direct fit replacement, designed to integrate seamlessly with the existing HVAC motor, core, and case components in the Mazda CX-5.
Common Issues Addressed by This Heater Core
- Insufficient cabin heating during cold weather
- Coolant leaks inside the vehicle’s HVAC system
- Reduced heat output due to clogged or damaged cores
- Unpleasant odors caused by heater core deterioration
- HVAC system overheating or malfunctioning
Installation Notes and Tips
Installation of the HT399428C heater core requires careful removal of the dashboard and HVAC housing in the Mazda CX-5. It is recommended to drain the coolant system before replacement to avoid spills. Ensure all connections are secure and check for leaks after installation. Professional installation is advised for optimal results.
Quality Assurance and Warranty
Universal Air provides this heater core with quality standards that meet or exceed OEM specifications. The aluminum construction offers durability and resistance to corrosion. Please refer to Universal Air’s warranty policy for specific coverage details related to the HT399428C heater core.
This part fits 8 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2020 | Mazda | CX-5 | N/A | Heater Core Aluminum |
| 2019 | Mazda | CX-5 | N/A | Heater Core Aluminum |
| 2018 | Mazda | CX-5 | N/A | Heater Core Aluminum |
| 2017 | Mazda | CX-5 | N/A | Heater Core Aluminum |
| 2016 | Mazda | CX-5 | N/A | Heater Core Aluminum |
| 2015 | Mazda | CX-5 | N/A | Heater Core Aluminum |
| 2014 | Mazda | CX-5 | N/A | Heater Core Aluminum |
| 2013 | Mazda | CX-5 | N/A | Heater Core Aluminum |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.