Nissens 70231 HVAC Heater Core

Overview of Nissens HVAC Heater Core 70231

The Nissens HVAC Heater Core 70231 is engineered for reliable heating performance in select Audi models. Designed with durable aluminum materials and brazed cooling fins, this heater core ensures efficient heat transfer and long-lasting operation for your vehicle's HVAC system.

• Core and tank constructed from lightweight aluminum
• Brazed cooling fins for enhanced heat dissipation
• Core dimensions: 8.82 inches height, 7.05 inches length, 1.26 inches width
• Pipe not included with this heater core
• Compatible with multiple Audi models including A4, A5, Q5, RS5, S4, S5, and SQ5

Detailed Product Description

This Nissens HVAC heater core (part number 70231) features an aluminum core and tank, providing corrosion resistance and efficient thermal conductivity. The brazed cooling fins construction improves heat exchange, ensuring your Audi's cabin heating system operates effectively. With precise core dimensions of 8.82 inches in height, 7.05 inches in length, and 1.26 inches in width, this heater core is designed to fit seamlessly into the HVAC assembly of Audi A4, A4 Quattro, A5, A5 Quattro, allroad, Q5, RS5, S4, S5, and SQ5 models.

Applications and Common Issues Resolved

• Restores proper cabin heating performance in Audi A4 and A5 models
• Eliminates coolant leaks caused by damaged or corroded heater cores
• Prevents fogging and moisture buildup inside the vehicle
• Addresses overheating issues related to inefficient heat exchange
• Replaces clogged or blocked heater cores affecting airflow

Installation Notes and Tips

• Ensure compatibility with your specific Audi model and year before installation
• Drain the cooling system completely to avoid spills during replacement
• Handle the aluminum core carefully to prevent damage to fins and connections
• Inspect and replace any worn hoses or clamps during installation
• Bleed the cooling system properly after installation to remove air pockets

Quality Assurance and Warranty

Nissens manufactures this heater core to meet OEM standards for fit and function. The aluminum construction and brazed fins contribute to durability and efficient operation. While specific warranty details may vary, Nissens products typically come with a limited warranty covering defects in materials and workmanship. Verify warranty terms with your parts provider.