Description:

Fitment: for Ford Explorer 4.0L 1997-2001, for Ford Explorer Sport 4.0L 2001, for Ford Explorer Sport Trac 4.0L 2001, for Mercury Mountaineer 4.0L 1998-2000.. Replace Part Number: VS50491R. Function:The purpose of the valve cover gaskets is to seal the cylinder to ensure no leakage of coolant or oil into the cylinder. Head gaskets prevent leakage of liquid and gas into adjacent cylinders and surrounding coolant galleries.. Material: Made of durable rubber material, sealing, oil resistance, wear resistant,high temperature resistance, corrosion resistance, long service life, effectively prevent engine oil leakage into the valve mechanism.. Replacement: If your valve cover leaks, your oil is always low, or you smell burning oil, you will need to replace the valve cover gasket..