Cummins QSB6.7 Common Rail Fuel Injector – Precision Performance for Heavy-Duty Engines
High-efficiency common rail injector designed for Cummins QSB6.7 engines, ensuring optimal fuel delivery and combustion. Features ultra-precise CNC-machined nozzles and hardened steel components for extreme durability under high-pressure conditions. Direct replacement for OEM part numbers 0445120123, 0445120059, 0445120231, 3976372, 5263262, and 4945969, guaranteeing perfect compatibility. Ideal for construction equipment, marine propulsion, and industrial generators requiring reliable 6D107 fuel pump systems. Engineered with advanced anti-corrosion coating and tight tolerance seals to prevent leaks and extend service life. Delivers smoother engine operation, reduced emissions, and improved fuel economy. Exclusive bulk pricing available for fleet operators and wholesale buyers. Globally sourced, rigorously tested, and backed by our lowest-price guarantee.