This oil gauge tube fit is designed for use with Cummins Engine models K19 KTA19GC QSK19G QSK19 CM500. The tube is manufactured in China and is compatible with these models only. It is a crucial component for accurately measuring the engine's oil pressure and ensuring optimal performance. The gauge tube is suitable for use in heavy equipment parts and accessories, heavy equipment, parts, and attachments, and business and industrial equipment. It is made from high-quality materials to ensure durability and reliability. This product is perfect for those who require accurate oil pressure measurements and want to ensure their Cummins Engine is running at its best.