Replace worn equipment with a Cub Cadet 42 in. Deck Lawn Mower Deck Drive Belt for Cub Cadet Mowers. Cub Cadet parts include belts designed and tested to consistently meet original performance standards. Their high-strength tensile cords and specially engineered materials combine to resist wear and provide superior durability. The only way to ensure the best performance of your power equipment is to use genuine parts, accessories and attachments. We design and engineer these quality parts to exacting standards to provide reliability, safety and top performance. To protect your investment, specify and use only Genuine Parts.