Крышка наливной горловины радиатора Caterpillar 2931993

The Radiator Filler Cap acts as a pressure regulator, allowing excess pressure generated by the expanding coolant to escape through a built-in pressure-release valve. This prevents damage to the radiator and hoses due to excessive pressure. The cap serves as a seal, safeguarding the coolant system from external contaminants and maintaining the coolant's integrity.Attributes:• Designed to withstand temperature extremes.• Resistant to coolant leaks and spills.• Corrosion-resistant for a prolonged service life.• Withstand 14 pounds per square inch relief pressure.Applications: The Radiator Filler Cap serves as a sealing mechanism for the coolant system and its design incorporates a pressure release and a sealing gasket.