Our factory specializes in producing high-quality engine parts, including the Cummins Engine Part Valve Stem Guide 4096488/4006193/4007722 for Cummins QSK23/QSK78/HSK78G engines. Made from durable materials, this valve stem guide is designed to provide reliable performance and long service life. It is easy to install and compatible with a variety of Cummins engine models. With its precision engineering and rigorous quality control, this valve stem guide is sure to meet the needs of your engine and keep it running smoothly for years to come. Trust us to deliver top-quality products at an affordable price.