Permanent seal: This product is formulated to flow into damaged areas of the rear main seal to provide a permanent seal to keep your vehicle's oil inside of the rear of the engine. Works as a permanent repair and does not need to be added when oil is changed.
•Easy to use: BlueDevil Rear Main Sealer is designed to be easy to use, making it accessible to a wide range of drivers. Simply pour the recommended amount into the engine oil.
•Restores while you drive: Designed to restore dried, cracked, and shrunken rubber seals to their original condition while you drive.
•Safe to use: Does not contain petroleum distillates which can destroy seals.
•Compatible with all types of engines: Works on gasoline or diesel engines that use synthetic or conventional oils, making it a versatile product that can be used on a wide range of vehicles.
•· Do not use in brake systems or on painted surfaces!