Shop for Aftermarket Torque Rods & U-Bolt Parts for the Mack RD Truck. Keep your Mack RD's suspension and drivetrain in top shape with this selection of torque rods, U-bolts, bushings, and hardware. Whether you need adjustable or fixed torque rods, durable polyurethane bushings, or specialty U-bolt kits, this product lineup has you covered. Built for reliability and durability, these parts are designed to keep your truck running smoothly and safely. Perfect for Mack RD owners and fleet managers looking for quality replacement parts that fit just right.