This high-quality compression spring is designed to fit Cummins engines models K19, K38, K50, QSK, NT855, and N14 K60. Made in China, this spring is a perfect replacement for your old or worn-out one. It is made of durable materials and is built to last, ensuring that your engine runs smoothly and efficiently. The spring is specifically designed for heavy equipment and is easy to install. With its excellent fit and quality, you can trust that it will provide the necessary support and compression to keep your engine running at its best. Don't settle for anything less than the best when it comes to your engine's performance.