(1 pc) High-Pressure Common Rail Electronic Fuel Injector 3973059 Compatible with Cummins ISC QSL9 and Komatsu 6D114 PC360-8 Excavator Diesel Injector Assembly

3973059 is designed for high-pressure common-rail electronically controlled fuel injectors used in Cummins ISC and Komatsu 6D114 large-displacement engines. It features a waterproof dual-needle solenoid valve at the rear, with the vehicle’s ECU independently controlling the multi-stage injection timing (pre-injection, main injection, and post-injection) and cycle fuel delivery volume. It is compatible with 1400–1800 bar high-pressure common-rail fuel systems. It features an 8-hole vortex high-flow nozzle with a layered pre-atomization structure, making it suitable for 24-hour continuous heavy-duty operation in mining and long-haul heavy-duty truck applications, while also meeting Euro III and US Tier 3 emissions standards.

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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