ACDELCO RTV Engine Sealant 10-2010 5.3oz - 12378521

ACDelco RTV engine sealant is a one-component, room-temperature vulcanizing (RTV) sealant. This high-viscosity engine sealant cures when exposed to air, and the cured material has superior adhesion and elongation properties--effective even on large gaps. ACDelco RTV engine sealant is very resistant to engine oils and coolants, will not corrode metals, is blow-out resistant, and safe for oxygen sensors.