HomeOne Stop Solutions 99300 HVAC Heater Core
Part #: 99300

One Stop Solutions 99300 HVAC Heater Core

12 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Mazda, 6
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Overview of One Stop Solutions HVAC Heater Core 99300

The One Stop Solutions HVAC Heater Core 99300 is designed specifically for Mazda 6 models, providing reliable heating performance for your vehicle's climate control system. This heater core ensures efficient heat transfer and consistent cabin warmth during colder conditions.

  • Compatible with Mazda 6 models
  • Part number 99300 for precise identification
  • Direct replacement HVAC heater core component
  • Constructed for durability and efficient heat exchange
  • Designed to integrate seamlessly with existing HVAC systems

Product Details and Specifications

This HVAC heater core from One Stop Solutions is engineered to meet the exact specifications required for Mazda 6 vehicles. The part number 99300 corresponds to a core that fits directly into the HVAC system, ensuring proper fitment and function. The heater core facilitates the transfer of heat from the engine coolant to the vehicle’s interior, maintaining comfortable cabin temperatures. Its construction supports long-term use without compromising performance or causing leaks.

Applications and Problem Resolution

This heater core is used in the heating and ventilation system of Mazda 6 vehicles. It addresses several common issues related to HVAC performance, including:

  • Insufficient cabin heat during cold weather
  • Coolant leaks inside the vehicle cabin
  • Fogging or moisture buildup on windows due to heater core failure
  • Unusual odors caused by leaking coolant
  • Reduced HVAC system efficiency and inconsistent temperature control

Installation Notes and Tips

Installation of the One Stop Solutions heater core 99300 should be performed by a qualified technician familiar with Mazda 6 HVAC systems. Proper handling is essential to avoid damage to the core or surrounding components. It is recommended to flush the cooling system and inspect hoses and connections during replacement to ensure optimal performance and prevent future leaks.

Quality Assurance and Warranty Information

One Stop Solutions provides this HVAC heater core with quality standards that meet OEM requirements for fit and function. While specific warranty details are not provided, the product is manufactured to deliver reliable service life consistent with industry expectations for replacement heater cores.

This part fits 12 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2008Mazda63.0LV6N/A
2008Mazda62.3LL4N/A
2007Mazda63.0LV6N/A
2007Mazda62.3LL4N/A
2006Mazda63.0LV6N/A
2006Mazda62.3LL4N/A
2005Mazda63.0LV6N/A
2005Mazda62.3LL4N/A
2004Mazda63.0LV6N/A
2004Mazda62.3LL4N/A
2003Mazda63.0LV6N/A
2003Mazda62.3LL4N/A

* 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:

98040

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.