The Valve Housing is made of gray iron and is located on the side of the engine. The housing has a threaded opening. There is also a drain plug at the bottom of the housing that allows the old oil to be drained out during an oil change for the Prelube Pump.Attributes: • Remove contaminants and cool the engine component• Manufactured to precise specifications and are built for durability, and reliabilityApplications:The Valve Housing is used to house the valve that connects the Prelube Pump to a fitting.