This listing is for high-quality compression spring designed to fit Cummins Engine models KTA19, KTA38, KTA50, NT855, and QSK. These springs are manufactured in China and come in a standard unit type. The manufacturer part number is 205659 and the unit quantity is two. These compression springs are perfect replacements for your engine's worn-out springs, ensuring optimal performance and efficiency. They are compatible with various commercial truck models and can be used in a variety of applications. Order now and experience the benefits of this reliable and durable compression spring.