Blue Devil Oil Stop Leak Valve Cover Gasket. More Buying Choices 90. Temporarily out of stock.
Blue Devil 49499-6PK Engine Oil Stop Leak - 8 Ounce Pack of 6 37 out of 5 stars 5. It is non-clogging and will not harm your engine. Lubricates and maintains engine seals in good condition.
Drove another 2000 miles and further reduction but there was still a mild leak.
Restores the elasticity of rubber and neoprene oil seal rings and O-rings. For examples an engine oil additive can never be able to stop a leak near the front seal any sort of cork gasket or rear main seal. While weeping gaskets are better solved with the Lucas stop leak BlueDevil is better at stopping a leak with visible drops. BlueDevil Oil Stop Leak seals engine oil leaks permanently.
