M11 QSM11 ISM11 Injection Common Rail Fuel Injector for Cummins Diesel Engines 490-3319 4026222 4903319 4061851 3411756 3411754 4902921
High-performance common rail fuel injector is professionally manufactured to meet OEM standards, perfectly compatible with Cummins M11, QSM11 and ISM11 heavy-duty diesel engines.
Replacing OEM part numbers 490-3319, 4903319, 4026222 and 4061851, it serves as an ideal direct replacement for old or faulty injectors without any modification.
Adopting strict precision machining and high-pressure common rail technology, the injector features uniform fuel atomization, complete combustion and stable fuel injection volume. It effectively solves common engine problems such as insufficient power, black smoke emission, rough idling, hard starting and fuel leakage.
All core components are made of high-strength alloy steel and wear-resistant materials, greatly improving durability, corrosion resistance and service life under high-load and long-term working conditions.
Every fuel injector undergoes 100% strict factory testing, including pressure testing, leakage testing and spray performance calibration, to ensure consistent performance and reliable quality.
It is widely applicable to heavy-duty trucks, construction machinery, marine equipment and diesel generator sets equipped with Cummins M11/QSM11/ISM11 engines.
Features:
- 100% factory tested for stable injection performance
- Perfect OEM fit, plug-and-play installation
- Improves engine power and reduces fuel consumption
- Eliminates engine smoke, jitter and startup failure issues
- High wear resistance & long service life for heavy-duty work
Compatible Part Numbers: 4903319, 490-3319, 4026222, 4061851
Compatible Engine Models: Cummins M11, QSM11, ISM11 Diesel Engine