OEM standard End Plate thickness ensure a burst of strength — five times greater than most engine oil operating pressures after the oil reaches operating temperatures.
Anti drain-back valve assures no dry starts, reduce engine wear. The Anti drain-back valve prevents oil from draining out of the filter inlet holes when the engine is shut off.
Gasket - provides exterior seal between the filter and engine at the engine-mounting surface. O-Ring Gasket is made of top quality rubber with heat resistant feature, which prevent leakage.