Nissens Heater Core 73943 is a high-performance, durable heater core designed to provide efficient and reliable heat transfer for your vehicle. This heater core is constructed from high-grade aluminum for maximum durability and features a low-pressure drop design for optimal performance. It is designed to fit most vehicles and is a direct replacement for the original part. The Nissens Heater Core 73943 is an ideal solution for restoring your vehicle's heating system performance.