The Cat 1118160 Radiator Cap is a genuine Caterpillar component designed to maintain optimal pressure within the cooling system of heavy machinery. With a confirmed pressure rating of 10.3 PSI (0.71 bar), this cap ensures efficient engine cooling and prevents coolant loss. It measures approximately 63.5 mm in length, 63.5 mm in width, and 50.8 mm in height, making it suitable for a wide range of Caterpillar excavators and other equipment.