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Mr. Perry Wu International Sales Director
Cummins QSM11 Injector 4903472 | Diesel Engine Fuel Injector Assembly
The Cummins Fuel Injector 4903472 is designed for Cummins QSM11, ISM11, and M11 diesel engine applications and is widely used in heavy-duty trucks, construction machinery, industrial equipment, and generator systems.
As a key component of the diesel engine fuel injection system, the injector is responsible for delivering precisely atomized diesel fuel into the combustion chamber at the correct timing and pressure, helping maintain efficient fuel combustion and stable engine operation.
Manufactured according to OEM specifications with precision internal components and durable electronic control structure, the injector provides reliable fuel atomization performance, stable injection response, and dependable durability under demanding heavy-duty diesel engine working conditions.
This product is commonly applied in transportation vehicles, mining equipment, engineering machinery, industrial diesel engines, and fuel system overhaul or replacement projects.
As a key component of the diesel engine fuel injection system, the injector is responsible for delivering precisely atomized diesel fuel into the combustion chamber at the correct timing and pressure, helping maintain efficient fuel combustion and stable engine operation.
Manufactured according to OEM specifications with precision internal components and durable electronic control structure, the injector provides reliable fuel atomization performance, stable injection response, and dependable durability under demanding heavy-duty diesel engine working conditions.
This product is commonly applied in transportation vehicles, mining equipment, engineering machinery, industrial diesel engines, and fuel system overhaul or replacement projects.
Applications
● Cummins QSM11 diesel engines
● Cummins ISM11 / M11 engine systems
● Heavy-duty trucks
● Mining equipment
● Construction machinery
● Industrial diesel equipment
● Fuel injection system repair and replacement projects
● Cummins ISM11 / M11 engine systems
● Heavy-duty trucks
● Mining equipment
● Construction machinery
● Industrial diesel equipment
● Fuel injection system repair and replacement projects
Product Advantages
● Precise Fuel Atomization Performance
The injector is designed to deliver diesel fuel into the combustion chamber with accurate spray pattern and atomization efficiency, helping improve combustion quality and engine operating performance.
● Stable Electronic Injection Control
Manufactured with reliable electronic control components and precision internal valve structure, the injector provides stable injection timing response and dependable fuel delivery under different engine load conditions.
● Improves Fuel Combustion Efficiency
By supplying accurately metered fuel quantity and stable injection pressure, the injector helps optimize fuel combustion efficiency, engine response, and overall power output performance.
● Durable Heavy-Duty Structure
Produced according to OEM standards with strong resistance to high pressure, temperature, vibration, and continuous long-hour diesel engine operation in demanding industrial and transportation applications.
● OEM Standard
Manufactured to meet original equipment specifications for direct replacement.
Technical Specifications
|
Item |
Specification |
|
Item Name |
Fuel Injector |
|
Part Number |
4903472 |
|
Application |
Cummins Diesel Engine |
|
Engine Model |
QSM11 / ISM11 / M11 series applications |
|
Type |
Diesel Engine Electronic Fuel Injector |
|
Fuel Type |
Diesel |
|
Injection Type |
Electronic Fuel Injection |
|
Installation Position |
Engine Fuel Injection System |
|
Function |
Fuel Atomization & Injection Control |
|
Material |
Alloy Steel & Electronic Components |
|
Weight |
Approx. 1.5–2 kg |
|
Interchangeable Numbers |
4026222 / 4061851 / 4928517 / 4903472PX |
|
Condition |
New / Remanufactured Optional |
|
Quality |
OEM Quality Replacement |
|
Packaging |
Neutral Packing / Export Carton |
|
Warranty |
6–12 Months |
|
Place of Origin |
China |
Function
The fuel injector is a critical component of the diesel engine fuel injection system.
It delivers precisely controlled diesel fuel into the combustion chamber in atomized form, allowing efficient mixing between fuel and compressed air during engine operation.
The injector works together with the electronic control system and fuel supply components to maintain accurate fuel injection timing, proper fuel quantity, and stable combustion performance.
In heavy-duty diesel engine applications, a reliable injector helps improve fuel economy, reduce exhaust emissions, maintain stable engine power output, and support dependable long-term engine operation under demanding working conditions.
It delivers precisely controlled diesel fuel into the combustion chamber in atomized form, allowing efficient mixing between fuel and compressed air during engine operation.
The injector works together with the electronic control system and fuel supply components to maintain accurate fuel injection timing, proper fuel quantity, and stable combustion performance.
In heavy-duty diesel engine applications, a reliable injector helps improve fuel economy, reduce exhaust emissions, maintain stable engine power output, and support dependable long-term engine operation under demanding working conditions.
Packaging & Delivery
● Standard export carton or customized packaging
● Delivery time: 3–10 days
● Shipping: Sea / Air / Express
● Payment: T/T, L/C, Western Union
● Delivery time: 3–10 days
● Shipping: Sea / Air / Express
● Payment: T/T, L/C, Western Union
FAQ
Q1: What is your terms of packing?
A: Generally, we pack you goods use factory packing box or neutral boxes.
Q2: What is your terms of payment?
A: By TT. We'll show you the photos of the products and packages before you pay the balance.
Q3: How about your delivery time?
A: Generally, it will take 3 to 10 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
Q4: How do you make a price offer and how long is its validity?
A: We usually quote within 24 hours by email after we get your inquiry . If you are very urgent to get the price,please call us or tell us in your email so that we will regard your inquiry priority. The price valid with 30 days.
Q5: What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.
Q6: Do you accept third party inspection?
A: Yes, we do.
Q7: Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery.
Q8: How do you make our business long-term and good relationship?
A: 1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them.
Q9: How to guarantee your after-sales service?
A: 1. Strict inspection during production;
2. Strictly check the products before shipment to ensure our packaging in good condition;
3. Track and receive feedback from customer regularly.
A: Generally, we pack you goods use factory packing box or neutral boxes.
Q2: What is your terms of payment?
A: By TT. We'll show you the photos of the products and packages before you pay the balance.
Q3: How about your delivery time?
A: Generally, it will take 3 to 10 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
Q4: How do you make a price offer and how long is its validity?
A: We usually quote within 24 hours by email after we get your inquiry . If you are very urgent to get the price,please call us or tell us in your email so that we will regard your inquiry priority. The price valid with 30 days.
Q5: What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.
Q6: Do you accept third party inspection?
A: Yes, we do.
Q7: Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery.
Q8: How do you make our business long-term and good relationship?
A: 1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them.
Q9: How to guarantee your after-sales service?
A: 1. Strict inspection during production;
2. Strictly check the products before shipment to ensure our packaging in good condition;
3. Track and receive feedback from customer regularly.