Engine oil pan is the lower half of crankcase, also called bottom crankcase. It is mainly used to prevent impurity from entering and to collect & store lubricating oil reflowing from diesel surface. It could dissipate partial heat to prevent lubricating oil from oxidation. What we're going to recommend here is this Engine Oil Pan Gasket Set. Crafted from superior material, it is solid and wear-resistant to use. Popularly applied to vehicles, this engine oil pan is really worth having!