Permatex 80019 Aviation Form-A-Gasket No. 3 Sealant, 4 oz.

Customers find the sealant works well, particularly on oil pan gaskets, and appreciate its quality and durability, noting it will last a very long time. They praise its sealing performance, especially for thin gasket gaps, and its versatility for various applications, including fuel tank fittings. While some customers report zero leaks, others mention receiving leaking products. The product receives mixed feedback about its tackiness, with several customers describing it as very sticky.