Treat your first-generation Cummins to a dose of reliability with the Mishimoto MMRAD-RAM-89 Aluminum Performance Radiator for your 1991.5-1993 Dodge 5.9L Cummins. This direct-fit radiator features full aluminum construction with precision TIG-welding and a high-quality, brazed aluminum 2-row core. Each radiator is constructed with performance in mind and is designed to provide optimal cooling in even the most demanding environments. The included Mishimoto High Pressure 1.3 Bar Radiator Cap will effectively raise the boiling point of your coolant, providing a safer and more efficient system. Whether you drive your Cummins on the street, in the snow, or through the mud, trust the Mishimoto performance aluminum radiator to keep coolant temperatures under control. As with all our products, this radiator includes the Mishimoto Lifetime Warranty, ensuring superior product quality and craftsmanship.