This idler shaft fits perfectly with Cummins engines K19, K38, K50, QSK NT14, and NT855. It is designed for heavy equipment, parts, and accessories, and is suitable for use in various industries. Made in China, this idler shaft is of high quality and is built to last. It is an essential component for the proper functioning of your equipment. With its precise fit and reliable construction, this idler shaft is sure to meet all your needs. It is an excellent choice for those looking to upgrade or replace their current idler shaft. Whether you're in the heavy equipment industry or just need a reliable part for your equipment, this idler shaft is the perfect fit.