
One Stop Solutions 99290 HVAC Heater Core
HVAC Heater Core for Mazda Miata
Replace a leaking or restricted heater core with One Stop Solutions part number 99290. This HVAC heater core is listed for 1999-2005 Mazda Miata applications and supports proper cabin heat and defrost performance.
Key Features
- HVAC heater core for Mazda Miata models
- Direct-fit application for 1999-2005 vehicles
- Part number 99290 for easy identification
- Cross-references OSC 98014 for the same application
- Position listed as N/A
Detailed Description
One Stop Solutions 99290 is an HVAC heater core for the Mazda Miata platform, covering 1999-2005 model years. It is the heat exchanger inside the HVAC system that transfers engine coolant heat into the passenger compartment, helping restore normal heater output and windshield defrost function. If your Miata has weak heat, coolant odor, or signs of heater core leakage, this replacement part provides the correct application match by year and model. The part number 99290 is also useful when cross-checking service records or ordering by reference.
Common Issues It Can Address
- Loss of cabin heat in a Mazda Miata
- Coolant smell inside the vehicle
- Fogging or poor defrost performance
- Coolant leakage from the HVAC system
- Restricted coolant flow through the heater circuit
Installation Notes and Tips
Verify the vehicle is a 1999-2005 Mazda Miata before ordering. Heater core replacement typically requires access to the HVAC case and careful handling of coolant lines and interior trim components. Flush the cooling system and inspect hoses, clamps, and related HVAC components during service to help prevent repeat failures.
Quality Assurance
One Stop Solutions part 99290 is cataloged as an HVAC heater core for the specified Mazda Miata fitment. This part cross-references OSC 98014 for the same application.
Original: $62.37
-65%$62.37
$21.83One Stop Solutions 99290 HVAC Heater Core
HVAC Heater Core for Mazda Miata
Replace a leaking or restricted heater core with One Stop Solutions part number 99290. This HVAC heater core is listed for 1999-2005 Mazda Miata applications and supports proper cabin heat and defrost performance.
Key Features
- HVAC heater core for Mazda Miata models
- Direct-fit application for 1999-2005 vehicles
- Part number 99290 for easy identification
- Cross-references OSC 98014 for the same application
- Position listed as N/A
Detailed Description
One Stop Solutions 99290 is an HVAC heater core for the Mazda Miata platform, covering 1999-2005 model years. It is the heat exchanger inside the HVAC system that transfers engine coolant heat into the passenger compartment, helping restore normal heater output and windshield defrost function. If your Miata has weak heat, coolant odor, or signs of heater core leakage, this replacement part provides the correct application match by year and model. The part number 99290 is also useful when cross-checking service records or ordering by reference.
Common Issues It Can Address
- Loss of cabin heat in a Mazda Miata
- Coolant smell inside the vehicle
- Fogging or poor defrost performance
- Coolant leakage from the HVAC system
- Restricted coolant flow through the heater circuit
Installation Notes and Tips
Verify the vehicle is a 1999-2005 Mazda Miata before ordering. Heater core replacement typically requires access to the HVAC case and careful handling of coolant lines and interior trim components. Flush the cooling system and inspect hoses, clamps, and related HVAC components during service to help prevent repeat failures.
Quality Assurance
One Stop Solutions part 99290 is cataloged as an HVAC heater core for the specified Mazda Miata fitment. This part cross-references OSC 98014 for the same application.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
HVAC Heater Core for Mazda Miata
Replace a leaking or restricted heater core with One Stop Solutions part number 99290. This HVAC heater core is listed for 1999-2005 Mazda Miata applications and supports proper cabin heat and defrost performance.
Key Features
- HVAC heater core for Mazda Miata models
- Direct-fit application for 1999-2005 vehicles
- Part number 99290 for easy identification
- Cross-references OSC 98014 for the same application
- Position listed as N/A
Detailed Description
One Stop Solutions 99290 is an HVAC heater core for the Mazda Miata platform, covering 1999-2005 model years. It is the heat exchanger inside the HVAC system that transfers engine coolant heat into the passenger compartment, helping restore normal heater output and windshield defrost function. If your Miata has weak heat, coolant odor, or signs of heater core leakage, this replacement part provides the correct application match by year and model. The part number 99290 is also useful when cross-checking service records or ordering by reference.
Common Issues It Can Address
- Loss of cabin heat in a Mazda Miata
- Coolant smell inside the vehicle
- Fogging or poor defrost performance
- Coolant leakage from the HVAC system
- Restricted coolant flow through the heater circuit
Installation Notes and Tips
Verify the vehicle is a 1999-2005 Mazda Miata before ordering. Heater core replacement typically requires access to the HVAC case and careful handling of coolant lines and interior trim components. Flush the cooling system and inspect hoses, clamps, and related HVAC components during service to help prevent repeat failures.
Quality Assurance
One Stop Solutions part 99290 is cataloged as an HVAC heater core for the specified Mazda Miata fitment. This part cross-references OSC 98014 for the same application.











