The Donaldson P551019 Oil Lube Filter is a full flow spin-on filter designed for use in Cummins QSB4.5 and QSB6.7 engines. With a height of 6.5 inches and a diameter of 4 inches, this filter features easy installation and is made with a rubber gasket for a secure fit. Manufactured in Mexico, this filter is placed at the front of the vehicle, making it a convenient and reliable choice for maintaining the engine's lubrication system.