Nissens 73940 HVAC Heater Core

Overview of Nissens HVAC Heater Core 73940

The Nissens HVAC Heater Core 73940 is designed for reliable heating performance in select Audi, Porsche, and Volkswagen vehicles. Engineered with durable aluminum core material and plastic tanks, this heater core ensures efficient heat transfer and long-lasting operation.

• Core material constructed from aluminum for effective heat dissipation
• Plastic tank material reduces corrosion and weight
• Mechanically jointed cooling fins enhance durability and thermal efficiency
• Core dimensions: 9.21 inches height, 6.18 inches length, 1.57 inches width
• Pipe not included with this heater core

Detailed Product Description

The Nissens 73940 HVAC heater core features a robust aluminum core combined with plastic tanks to provide a balance of strength and corrosion resistance. The mechanically jointed cooling fins improve heat exchange efficiency, ensuring consistent cabin heating. With precise core dimensions of 9.21 inches in height, 6.18 inches in length, and 1.57 inches in width, this heater core is engineered to fit specific vehicle models accurately. This part is compatible with various Audi, Porsche, and Volkswagen models including the Audi 4000, 4000 Quattro, Cabriolet, Coupe, Quantum, and Quattro, as well as Porsche 924.

Compatible Vehicles and Applications

This heater core is compatible with the following makes and models:

• Audi 4000, 4000 Quattro, Cabriolet, Coupe, Quantum, Quattro
• Porsche 924
• Volkswagen models within the listed fitment range

It is designed to replace faulty or leaking heater cores that cause insufficient cabin heating or coolant leaks.

Common Issues Resolved by This Heater Core

• Reduced or no heat inside the vehicle cabin
• Coolant leaks inside the HVAC system
• Fogging or moisture buildup on interior windows
• Overheating due to inefficient coolant circulation
• Unpleasant odors caused by leaking coolant

Installation Notes and Tips

• Ensure compatibility with your specific Audi, Porsche, or Volkswagen model before installation
• Drain the cooling system prior to removal of the old heater core
• Handle the aluminum core carefully to avoid damage to cooling fins
• Replace any worn or damaged hoses and seals during installation
• Bleed the cooling system properly after installation to prevent air pockets

Quality Assurance and Warranty

Nissens heater cores are manufactured to meet OEM specifications, ensuring reliable performance and fitment. The 73940 heater core undergoes rigorous quality control to maintain durability and thermal efficiency. Warranty coverage details should be confirmed with the distributor or installer, as they may vary by region.