The Paccar MX-13 Fuel injection pipe 5-6, part number 2403816, is specifically designed for use with Paccar equipment. Manufactured by Paccar, a trusted brand in the industry, this part ensures reliable and efficient fuel injection for optimal performance of the equipment. Part Number : 2403816 / 2403816PE. Engine : Paccar MX-13 (12.9L diesel). Function : Delivers high-pressure fuel from the common rail to injectors 5 and 6. Material : Precision steel tubing, corrosion-resistant. Fitment : OEM for DAF CF and XF trucks with MX-13 engines. This pipe is engineered to withstand extreme pressure and temperature, ensuring consistent fuel atomization and optimal engine performance.