RA4720901550 Genuine Detroit Diesel Fuel Injection Pump For DD15 / DD16

Genuine Detroit Diesel Fuel Injection Pump For DD15 / DD16 — Function and Service Importance This high-pressure fuel pump raises clean supply fuel to the pressure required by the common-rail or high-pressure injection system. Its precision pumping elements, inlet supply, drive interface, and pressure-control hardware work together to deliver commanded rail pressure across load and speed. Why this high-pressure fuel pump matters: Low inlet supply, contaminated fuel, water, poor lubricity, internal wear, or control faults can prevent rail pressure from building and may distribute metal debris into the rail, lines, and injectors. Pump replacement therefore requires diagnosis of the supply side…