This rocker lever fit is designed for use with Cummins KTA19, KTA38, KTA50 engines, and QSK valvetrain components. It is made in China and has OE/OEM part numbers 3053476, 3418857, and 3049438. The manufacturer part numbers are also 3053476, 3418857, and 3049438. This high-quality rocker lever fit is perfect for anyone looking to upgrade their engine or valvetrain components. It is compatible with a variety of Cummins engines and is made to last. Order now and experience the benefits of this reliable and durable rocker lever fit.