Manually operated single-cylinder injection pump model, featuring a detailed cutaway design with color-coded components for enhanced learning. The model includes a fuel feeding pipe, injector with nozzle pintle, plunger, and camshaft, all professionally sectioned for clear visualization of the fuel injection process. The pump’s parts, such as the pressure union, delivery valve, and tappet system, are chrome-plated and galvanized for durability, providing a long-lasting and precise tool for studying fuel system mechanics and operation.