The Perkins PK41313027 is a genuine OEM water pump designed for Perkins 400 Series engines, including models 403D-11, 403D-15, 404D-22, 404D-22T, 404D-22TA, 404C-22, and 404C-22T. This essential component maintains proper engine temperature by circulating coolant, preventing overheating and ensuring reliable operation. It is also compatible with various Caterpillar machines utilizing these Perkins engines, such as 301.5, 301.6, 301.8, 302.5 mini hydraulic excavators, 216B, 226B, 232B, 242B skid steer loaders, and 247B, 257B multi terrain loaders. Weighing 0.8 kg, this water pump is built to Perkins' stringent quality standards for durability and precise fit.