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3090942 3090942RX Fuel Pump Injection Pump for Cummins Engine M11 N14 ISM QSM11
product description
Applicable Industries: | Engineering Machinery,Construction Machinery, Mining Machinery, Other |
Place Of Origin: | Guangdong, China |
For models: | Fuel Pump Injection Pump |
Warranty period: | high quality low price long life |
Quality: | 1 year |
No. Of Cyls: | 4 -6 Cyls |
Materials: | OEM |
Condition: | New |
Warranty: | 12 Months |
introduce
The fuel pump and fuel injection pump with part numbers 3090942 and 3090942RX are crucial components for Cummins engines such as M11, N14, ISM, and QSM11. Here
### 1. Function and Operation
- **Fuel Supply**: The primary role of these pumps is to supply
fuel from the fuel tank to the engine's combustion chambers. In the
case of the M11, N14, ISM, and QSM11 engines, they need a
consistent and precisely metered flow of fuel for efficient
operation. The fuel pump draws fuel from the tank and pressurizes
it, while the fuel injection pump further regulates the quantity
and timing of fuel injection into the cylinders.
- **Injection Timing**: For diesel engines like those from Cummins
in this lineup, accurate injection timing is essential. The fuel
injection pump ensures that fuel is injected at the optimal moment
during the engine's compression stroke. This precise timing helps
in achieving complete combustion, maximizing power output, and
minimizing emissions.
### 2. Compatibility and Application
- **Engine Models**:
- **M11**: A popular engine used in various applications including
trucks, construction equipment, and generators. The 3090942 and
3090942RX pumps are designed to meet the specific fuel delivery
requirements of this engine, which typically has a certain power
output and fuel consumption rate.
- **N14**: Another widely used Cummins engine, especially in
heavy-duty trucks. These pumps are engineered to work with the
N14's combustion system, ensuring reliable fuel supply under
different operating conditions, whether it's long hauls on the
highway or stop-and-go urban driving.
- **ISM and QSM11**: These engines are often found in on-highway
trucks and some industrial applications. The fuel pumps are built
to handle the advanced electronic control systems of these engines,
which require highly accurate fuel injection for optimal
performance and emissions control.
- **Aftermarket Use**: The availability of these part numbers in
the aftermarket allows fleet owners and repair shops to replace
worn-out or malfunctioning fuel pumps. They can either choose the
original equipment manufacturer (OEM) part (3090942) or an
equivalent replacement part (3090942RX), which is designed to meet
the same performance standards.
### 3. Maintenance and Troubleshooting
- **Regular Maintenance**: To ensure the longevity and proper
operation of these fuel pumps, regular maintenance is necessary.
This includes checking for fuel leaks, replacing fuel filters at
recommended intervals, and inspecting the pump for any signs of
wear or damage. A dirty fuel filter can restrict fuel flow and put
additional stress on the pump, potentially leading to premature
failure.
- **Troubleshooting**: If an engine equipped with these pumps
experiences issues such as poor fuel economy, lack of power, or
rough idling, the fuel pump or injection pump could be a culprit.
Common problems include worn pump internals, clogged fuel lines, or
electrical issues with the pump's control system. Technicians can
use diagnostic tools to measure fuel pressure and flow rates to
determine if the pump needs to be repaired or replaced.
### 4. Technical Specifications (approximate and may vary)
- **Fuel Pressure**: These pumps are designed to generate a
specific fuel pressure range, typically in the range of several
hundred to a few thousand psi, depending on the engine's
requirements. This pressure is crucial for proper fuel atomization
and combustion.
- **Flow Rate**: The flow rate of the fuel pump is calibrated to
match the engine's fuel consumption at different operating speeds
and loads. It can vary from a few gallons per hour at idle to
significantly higher rates during full-throttle operation.
In summary, the 3090942 and 3090942RX fuel pumps and injection pumps play a vital role in the performance and reliability of Cummins M11, N14, ISM, and QSM11 engines. Proper maintenance and timely replacement when needed are essential to keep these engines running smoothly.
COMPANY INFORMATION
Guangzhou Tengsong Machinery Equipment Co., Ltd. is a large-scale enterprise loed in Guangzhou, a famous city in China, where the largest distribution center for construction machinery parts is loed in Asia. Founded in 2003, with more than 18 years of practice and experience, we have established a complete ordering and delivery service system. Our company specializes in wholesale OEM spare parts for construction machinery companies.
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