The Perkins 5698037 is a genuine OEM oil filter, supplied with an O-ring for a complete and secure installation. This essential component ensures optimal engine performance by effectively removing contaminants from the engine oil, protecting critical engine parts from wear. It is specifically designed for various Perkins 400 Series engines, including models like 403C-11, 404C-22, and 404D-22T, maintaining the integrity of the lubrication system.