Горловина заливки охлаждающей жидкости расширительного бака Caterpillar 4321257

An Expansion Tank Coolant Neck Filler is used to allow safe and efficient addition of coolant into the expansion tank. It provides a secure interface between the expansion tank and the radiator cap to maintain optimal coolant flow. The neck filler ensures that coolant can be added or topped off without spillage, while also helping to control pressure build-up in the system.Attributes:• Provides a tight, secure fit to prevent fuel leaks.• Smooth inner surface to prevent turbulence.• Prevent coolant spillage during refueling.Applications:An Expansion Tank Coolant Neck Filler is located at the top of the engine's coolant expansion tank in the equipment. It is used as the access point for adding coolant and helps maintain proper pressure and fluid levels within the cooling system.