(1 pc) High-Pressure Common Rail Electronic Fuel Injector 5253221 Compatible with Cummins ISDe QSB6.7, Dongfeng Tianjin Medium-Duty Truck, and Light-Duty Excavator Diesel Injector Assembly

5253221 Replacement part for Cummins ISDe/QSB6.7 engine fuel injectors, featuring a waterproof dual-needle solenoid valve. The on-board ECU precisely controls the multi-stage injection timing (pre-injection and main injection) and cycle injection volume, and is compatible with 1300–1600 bar high-pressure common-rail fuel systems. The precision micro-orifice swirl nozzle atomizes fuel in layers, delivering smooth and quiet power for urban short-haul delivery and light-load construction site operations, while meeting Euro III and China III off-road emissions regulations.

6-month warranty. Damage caused by accidental impact, high-temperature scorching, rough disassembly or installation, or prolonged use of low-quality diesel fuel is not covered under the warranty.

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