Enhance your Dual CS 503-1 turntable with this high-quality replacement belt. Specifically designed for the CS 503-1 model, this belt will ensure optimal performance and produce high-quality sound. The black belt is easy to install and compatible with various brands. Crafted to perfection, this belt is a durable and reliable addition to your turntable. The belt will help the record player turntable maintain its excellent speed and stable rotation, resulting in an unmatched audio experience. Get the best out of your turntable with this belt, which is a must-have for any music enthusiast.