Cummins Injectors
Precision Fuel Injection Solutions for Cummins Diesel Engines
Our Cummins diesel injectors are engineered to deliver accurate fuel metering, stable spray patterns, and reliable combustion performance across a wide range of diesel engine platforms.
Designed for both OEM replacement and aftermarket service, these injectors support optimal engine efficiency, power output, and emissions control under demanding operating conditions. Each injector is manufactured and tested to meet strict performance standards required for commercial, industrial, and heavy-duty diesel applications.
All injectors are supplied as ready-to-install units, suitable for engine overhaul, maintenance replacement, or long-term supply programs.
Cummins Injector Overview
Cummins diesel injectors play a critical role in controlling fuel delivery timing, pressure, and atomization inside the combustion chamber. Proper injector performance directly affects engine power, fuel consumption, starting reliability, and exhaust emissions.
Our injector product range covers multiple Cummins engine platforms, including mechanical injectors, electronically controlled injectors, and common rail fuel injectors. These solutions are widely used in engines operating under continuous load, high-pressure fuel systems, and harsh working environments.
Each injector assembly is carefully produced with precision-machined components, high-quality sealing materials, and calibrated flow characteristics to ensure long service life and consistent combustion performance.
Cummins Diesel Injector Product Range
Below is a selection of Cummins diesel injectors supplied for different engine models, fuel systems, and application requirements.
Each injector is delivered as a fully assembled unit, tested for leakage, spray pattern, and functional reliability before shipment.
X15 Injector 4062569
SCANIA Injector 2488244
SCANIA Injector 2438101
QST30 Injector 4025280
QSK60 Injector 4326780
QSK45 Injector 4326779
QSK23 Injector 4088431
QSB 6.7 injector 0445120231 5263262
NT855 Injector 3079946
NT855 Injector 3018834
ABOUT YIZHI POWER
Why Choose Yizhi Power
With a long-term focus on Cummins fuel system components and diesel engine service parts, Yizhi Power supplies high-quality injectors designed for real-world operating conditions.
We do not simply provide parts — we support injector selection, application matching, and stable long-term supply for maintenance, overhaul, and OEM integration projects.
Our injector solutions are trusted by customers involved in engine rebuilding, fleet maintenance, construction machinery service, and industrial power systems worldwide.
Complete Injector Supply Capability
We supply a wide range of Cummins diesel injectors, covering multiple engine series, injection technologies, and replacement requirements.
Stable Quality & Injection Performance
All injectors undergo inspection and functional testing to ensure stable fuel delivery, accurate spray patterns, and consistent combustion results.
Application-Oriented Configuration Support
Injector specifications can be matched based on engine model, fuel system type, and operating conditions to ensure proper compatibility.
Global Aftermarket Supply Experience
Our injectors are supplied to international aftermarket and service partners supporting commercial vehicles, industrial engines, and power equipment.
Applications & Use Scenarios
Where Cummins Diesel Injectors Are Commonly Used
Cummins diesel injectors are designed to operate under high-pressure fuel conditions, continuous duty cycles, and varying load environments across multiple industries.
Commercial Vehicles & Heavy-Duty Trucks
Fuel injectors are widely used in Cummins-powered trucks and commercial vehicles to ensure accurate fuel delivery under varying driving conditions.
- In commercial transportation applications, Cummins injectors support:
- Precise fuel metering for different engine speeds and loads
- Stable combustion during long-distance and high-load operation
- Reduced fuel consumption and consistent engine response
They are commonly applied in long-haul trucks, fleet vehicles, and heavy-duty logistics transportation systems where reliability and efficiency are critical.
Construction & Earthmoving Equipment
Construction machinery operates under frequent load changes, high torque demand, and dusty environments, placing strict requirements on fuel injection systems.
- In construction and earthmoving applications, Cummins injectors provide:
- Reliable fuel injection under high-pressure and high-temperature conditions
- Stable engine performance during continuous heavy-duty operation
- Improved combustion efficiency for excavators, loaders, and bulldozers
These injectors are widely used in construction equipment, mining machinery, and infrastructure projects requiring durable and dependable engine components.
Power Generation Systems
Fuel injectors are essential components in diesel generator sets, ensuring precise fuel delivery for both continuous and standby power generation.
- In power generation applications, Cummins injectors support:
- Stable engine speed and output control
- Long-duration operation under constant electrical load
- Reliable startup and fuel supply during emergency power scenarios
They are commonly used in industrial power stations, backup generators, and distributed energy systems.
Industrial Engine Applications
Industrial engines often operate under fixed-speed or customized working conditions, requiring injectors with high consistency and durability.
- In industrial applications, Cummins fuel injectors enable:
- Accurate injection timing for steady-state operation
- Consistent combustion efficiency in industrial engines
- Compatibility with customized engine configurations
Typical use cases include industrial pumps, compressors, agricultural machinery, and specialized equipment powered by Cummins diesel engines.
How to Choose the Right Cummins Diesel Injector
Selecting the correct injector is essential to ensure proper engine operation, fuel efficiency, and component lifespan.
1. Define the Engine Model & Application
The first step is to clearly identify the engine platform and how it is used:
Cummins engine series (ISF, ISB, QSB, 4BT, 6BT, 6CT, etc.)
Vehicle, construction machinery, generator set, or industrial equipment
Operating conditions such as continuous load or intermittent duty
Different engines and applications require injectors with specific flow rates, pressure ratings, and control characteristics.
2. Confirm Injection System Type & Specifications
Cummins engines use different fuel injection systems depending on model and generation.
When selecting an injector, confirm:
Mechanical injection or electronic common rail system
Required injection pressure and fuel flow capacity
Electrical connector type and control compatibility
Matching injector specifications to the engine’s fuel system ensures stable combustion and prevents performance issues.
3. Consider Operating Conditions & Fuel Quality
Real-world operating conditions directly affect injector lifespan and performance.
Key factors to evaluate include:
Fuel cleanliness and filtration level
Operating temperature and environmental conditions
Load fluctuations and duty cycle
Choosing injectors designed for harsh environments improves durability and reduces maintenance frequency.
4. Verify Part Number & Replacement Requirements
For replacement or overhaul projects, accurate part identification is critical.
Before ordering, confirm:
Original injector part number or cross-reference number
Engine serial number or application details
Replacement purpose (single injector, set replacement, or overhaul support)
Providing detailed information helps ensure correct fitment and reliable engine operation after installation.
Need Help Selecting the Right Injector?
If you are unsure which Cummins diesel injector best fits your engine or application, our team is ready to assist.
Send us your engine model, injector part number, and operating conditions.
We will help you identify the correct injector solution and provide technical support for installation and long-term use.
Frequently Asked Questions About Cummins Injectors
What types of Cummins diesel injectors do you supply?
We supply mechanical injectors, electronic unit injectors, and common rail injectors compatible with various Cummins engine platforms.
Are the injectors suitable for OEM and aftermarket use?
Yes. Our injectors are suitable for both OEM replacement projects and aftermarket maintenance applications.
Can injectors be supplied based on part number or engine model?
Yes. Injectors can be matched by Cummins part number, engine model, or application requirement.
Do you support bulk orders and long-term supply?
We support bulk purchasing and long-term supply programs for distributors, service centers, and fleet operators.
What information is needed to request a quotation?
Engine model, injector part number (if available), quantity, and application details are recommended.
CONTACT US
Have a Project or Product Inquiry?
We support product inquiries, customization requests, pricing discussions, and long-term cooperation for engine parts and repair solutions.
Whether you are sourcing for a specific engine model or planning a maintenance project, our team is ready to assist.
Share your requirements with us, and we will respond with suitable solutions and professional support.
Maojian District, Shiyan City, Hubei Province
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