The Caterpillar 105-7573 Fuel Injection Pump is a Caterpillar diesel fuel system component configured for 3412, 3412C, and 3408B engines. It delivers the metered fuel to the engine’s injectors, supporting proper fuel delivery and combustion timing for these models. This part number, 105-7573, specifies compatibility with the listed Caterpillar engines for service and replacement purposes.
