This high-quality thrust bearing is specifically designed to fit Cummins Engine models KTA19, KTA38, KTA50, and NT855. The part number, 3177129, ensures a perfect fit for your engine unit. Made in China, this unit type thrust bearing is a reliable and durable choice for your commercial truck parts needs. Purchase with confidence knowing that you are getting a superior product that is backed by our excellent customer service. Order your 3177129 thrust bearing today and experience the quality and reliability that Cummins engines are known for.