4903319 Fuel Injector for Cummins QSM11 CM876 M101 Diesel Engine
High-performance common rail fuel injector designed for Cummins QSM11, CM876, and M101 diesel engines. This OEM specification replacement part delivers precise fuel injection for optimal engine performance in excavators, mining equipment, generators, and industrial machinery.
Key Features
- Designed for Cummins QSM11 CM876 M101 diesel engines
- High-pressure common rail fuel injection system
- Precise fuel atomization for improved combustion efficiency
- Stable fuel delivery under heavy-duty operating conditions
- OEM specification replacement injector
- Precision-manufactured internal components for long service life
- Bench tested before shipment for reliable performance
Product Specifications
| Part Number |
4903319 |
| Product Name |
Common Rail Fuel Injector |
| Brand |
Cummins |
| Product Type |
Electronic Fuel Injector |
| Engine Model |
QSM11 CM876 M101 |
| Fuel System |
High Pressure Common Rail |
| Application |
Excavator, Mining Equipment, Generator, Industrial Machinery |
| Fuel Type |
Diesel |
| Warranty |
6-12 Months |
Cross Compatibility
OEM Part Numbers
4903319, 4903319PX, 4061851, 4062569, 4026222
Compatible Engine Models
QSM11, M11, ISM11, CM570, CM876, M11 CELECT PLUS, QSM11-C
Compatible Equipment
SANY SY365/SY385/SY465, XCMG XE370/XE470/XE490, LiuGong 950E/970E, Zoomlion ZE365, Komatsu PC400, wheel loaders, mining trucks, drilling rigs, generator sets
Core Advantages
Engineered for Cummins QSM11 and ISM11 diesel engines with CM876/M101 electronic control systems. Delivers accurate fuel metering, excellent spray atomization, and reliable performance for heavy-duty applications.
- High-pressure precision fuel injection
- Improved combustion efficiency and fuel economy
- Stable engine power under heavy-load conditions
- OEM-compatible installation with reliable performance
- Durable wear-resistant internal components
Product Images
Related Products
- QSM11 Engine Assembly
- ISM11 Engine Assembly
- High Pressure Fuel Pump
- Fuel Rail
- Fuel Filter
- ECM ECU Controller
- Turbocharger
- Cylinder Head
- Water Pump
- Oil Pump
- Engine Overhaul Kit
- Injector Wiring Harness
Frequently Asked Questions
Which engines are compatible with the 4903319 fuel injector?
It is primarily designed for Cummins QSM11 and ISM11 diesel engines equipped with CM876 or M101 control systems. It is also compatible with selected M11 CELECT PLUS engine applications depending on the original injector specification.
Which machines commonly use this injector?
It is widely used in excavators, mining equipment, wheel loaders, generator sets, drilling rigs and industrial machinery powered by Cummins QSM11 or ISM11 engines.
What are the symptoms of a faulty fuel injector?
Common symptoms include difficult starting, rough idle, engine misfire, excessive fuel consumption, black smoke, reduced engine power and poor acceleration.
Can matching fuel system components be supplied?
Yes. We supply high-pressure fuel pumps, fuel rails, fuel filters, fuel pressure sensors, injector wiring harnesses, ECM/ECU controllers, turbochargers, cylinder heads and complete Cummins engine assemblies.
How can I verify compatibility before ordering?
Please provide the engine model, ECM code (such as CM876), engine serial number or original injector part number for compatibility verification.
Is the injector tested before shipment?
Yes. Every fuel injector undergoes professional flow testing, spray pattern inspection, leakage testing and quality verification before shipment to ensure reliable performance and consistent fuel delivery.
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