Mack RD 1987 Through 1991 Charge Air Cooler

The Mack RD 1987 through 1991 Charge Air Cooler is a reliable and efficient cooling solution for Mack RD 1987-1991 models with E7 engines ranging from 400-600 horsepower. With a 30 1/8 inch core height, 25 3/4 inch core width, and 2 1/4 inch depth, this charge air cooler is designed to fit most models seamlessly. It features a 4-inch inlet and outlet and is sold individually. With OEM and aftermarket numbers including 44MAC18B, 3MD512, and 4937405004, this charge air cooler is a practical and high-quality choice for your Mack truck.