When it comes to your car’s health, a head gasket is something you rarely think about. It’s a vital component that does not require maintenance and reminds you only when it goes bad and does not seal properly. This can lead to nasty scenarios, like coolant and oil mixing together, which can lead to catastrophic failure. The obvious solution is to replace it, which in some cases can be expensive. A viable alternative is to use a head gasket sealer. In order to save you the trouble, we’ve gathered some of the best products currently on offer.