Avoid potential accidents and uncontrollable speed with the Meritor X30 15" x 4" Outboard Mount Balanced Brake Drum, a product designed to make sure you're Ready for the Road Ahead®. To provide your vehicle with an impressive service life, this brake drum offers a large contact surface area and corrosion-resistant properties. With enhanced weight savings and incredible strength, this replacement part permits both greater vehicle payloads and enhanced fuel economy. Crafted with precise measurements to meet industry standards. FleetPride is your First Click in Heavy Duty®.