Upgraded Engine Drain Port Oil Changing Hose, 3/8′ Npt, 18′ Length, High-Temperature 300°F, Replaces Stan1438 1723165Sm 116-4924(3/8 Npt Male Threads Fit Npt Female Threads With Around 0.58′(15Mm)Id.)

Important Reminder: This Is A Specialized Tool, Not A General-Purpose One. It Is Designed For Use With A 3/8-Inch Npt (National Pipe Thread) Oil Drain Port. The ‘3/8’ In ‘3/8 Npt’ Does Not Refer To The Outer Diameter Or Inner Diameter. So Please Carefully Check The Model Before Purchasing.