This 141629 Idle Spring Plunger is the perfect fit for your Cummins Engine, including the KTA19, KTA38, KTA50, and NT855 models. Made in China, this unit is of high quality and durability, ensuring reliable performance for your commercial truck. With its easy installation process, this product is a must-have for any truck owner looking to maintain their engine's optimal performance. The package includes one unit quantity of the Idle Spring Plunger, ready for immediate use. Trust in the expertise of the manufacturer part number 141629 and enjoy a smoother ride with this essential engine component.