Nissens 707090 HVAC Heater Core

Overview of Nissens HVAC Heater Core 707090

The Nissens HVAC Heater Core 707090 is engineered for reliable heating performance in select Lexus, Scion, and Toyota vehicles. Designed with durable aluminum construction and brazed cooling fins, this heater core ensures efficient heat transfer and long-lasting operation.

• Core and tank made from corrosion-resistant aluminum
• Brazed cooling fins for enhanced heat dissipation
• Core dimensions: 7.76 inches length, 6.06 inches height, 1.02 inches width
• Includes pipe for straightforward installation
• Compatible with multiple Lexus, Scion, and Toyota models

Detailed Product Description

The Nissens HVAC Heater Core 707090 features a robust aluminum core and tank, providing resistance to corrosion and improved thermal conductivity. Its brazed cooling fins construction optimizes heat exchange efficiency, which is critical for maintaining cabin comfort in vehicles such as the Toyota Corolla, Prius, and RAV4, as well as Lexus CT200h and Scion tC models. The heater core measures 7.76 inches in length, 6.06 inches in height, and 1.02 inches in width, fitting precisely within the HVAC system of the specified vehicles. The included pipe facilitates easier connection to the vehicle’s heating system, reducing installation time and complexity.

Compatible Vehicles and Applications

This heater core is compatible with a range of Lexus, Scion, and Toyota models, including:

• Lexus CT200h and HS250h
• Scion tC and xB
• Toyota Corolla, Corolla iM, Prius, Prius Plug-In, Prius V, RAV4, and iM

It is designed to replace the original heater core in these vehicles, restoring proper heating function and climate control performance.

Common Issues Addressed by This Heater Core

• Insufficient cabin heating during cold weather
• Coolant leaks inside the vehicle’s HVAC system
• Fogging or moisture buildup on interior windows
• Unusual odors from the heating system
• Reduced heater core efficiency due to corrosion or clogging

Installation Notes and Tips

• Ensure the vehicle is cooled down and coolant system depressurized before removal
• Drain the coolant to prevent spills during heater core replacement
• Verify compatibility with the vehicle’s make and model prior to installation
• Inspect hoses and connections for wear and replace if necessary
• Bleed the cooling system after installation to remove air pockets

Quality Assurance and Warranty

Nissens manufactures this heater core to meet OEM specifications, using high-quality aluminum materials and brazed fin construction for durability and performance. The part number 707090 is backed by Nissens’ quality standards, ensuring reliable operation in compatible Lexus, Scion, and Toyota vehicles. Warranty coverage details should be confirmed with the parts provider or manufacturer.