Description: Engine Cover for Lincoln Navigator NL7Z-6A949-A Replace the engine cover (pn#: NL7Z-6A949-A) on your Lincoln Navigator with a genuine OEM Lincoln replacement part. This engine cover provides a clean, tidy look to the engine compartment by covering up engine components. It also helps dampen engine noise as well as helping protect those same components from dirt and debris. Use Genuine OEM Lincoln parts to ensure a great fit and a long-lasting part.