Genuine ACDelco RTV Engine Sealant 10-2010~5.3 OZ~GM Part #12378521~Genuine OEM
$16.24
It has a room-temperature vulcanizing (RTV) formula that is also a high viscosity engine sealant that cures when exposed to air. It is a one-component, room-temperature vulcanizing (RTV) sealant for ease of use.
