Mack MRU Sanitation Radiator | 1003654

Upgrade your Mack MRU sanitation truck with this premium aftermarket radiator, built to meet or exceed OEM standards. This direct-fit replacement is designed specifically for 2007 and newer Mack MRU models and serves as a high-quality substitute for OEM part 1003654 & more. Featuring a durable all-aluminum core and tanks, it offers excellent heat dissipation, corrosion resistance, and long-term performance under demanding conditions. The radiator includes an integrated oil cooler and extra inlet connection for seamless installation, making it ideal for trucks equipped with PTO. With optimized core dimensions for a factory-like fit, this radiator helps maintain proper engine temperatures during heavy-duty operation, reducing the risk of overheating and costly downtime. Backed by a 2-year warranty, it’s a reliable, cost-effective solution for fleet managers and operators who demand durability and performance. Whether you’re replacing a worn-out unit or upgrading for improved cooling efficiency, this radiator is built to keep your Mack MRU running strong.