CYLINDER HEAD VALVE STEM OIL SEAL – 2.5L 5 CYLINDER TURBO DIESEL DEFENDER 1987-2006 – DISCOVERY 2 1998-2004 LJQ100940

The role of a seal is to prevent fluid leakage as well as preventing dust and debris from entering a component. It is always recommended to replace seals when worn, perished or when assembly replacements take place.