Ensures a tight seal to prevent oil leaks from the sump plug Protects the sump plug from damage during tightening Resists corrosion for long-lasting performance in harsh conditions A copper sump plug washer is essential for maintaining a proper oil seal in your Land Rover 300 TDI or Range Rover P38 V8 EFI. It prevents oil leaks by providing a soft yet durable surface that conforms tightly when the sump plug is secured. Copper's corrosion resistance ensures long-lasting reliability, even in demanding environments. Replacing your washer during each oil change protects your engine and prevents costly repairs caused by oil loss or contamination. .
