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Mr. Perry Wu International Sales Director
Cummins Diesel Fuel Injector 4988835 | Bosch Common Rail Injector 0445120161
The 4988835 diesel injector is a critical component of the common rail fuel injection system for Cummins diesel engines.
It is responsible for delivering fuel into the combustion chamber at high pressure with precise atomization, helping improve combustion efficiency, engine power output, and fuel economy.
This injector is commonly associated with Bosch part number 0445120161 and is widely used in Cummins QSB and ISDe engine applications.
Manufactured to OEM standards, this injector is suitable for heavy-duty trucks, industrial equipment, and diesel engine maintenance applications.
It is responsible for delivering fuel into the combustion chamber at high pressure with precise atomization, helping improve combustion efficiency, engine power output, and fuel economy.
This injector is commonly associated with Bosch part number 0445120161 and is widely used in Cummins QSB and ISDe engine applications.
Manufactured to OEM standards, this injector is suitable for heavy-duty trucks, industrial equipment, and diesel engine maintenance applications.
Applications
● Cummins QSB4.5 diesel engines
● Cummins QSB5.9 diesel engines
● Cummins ISDe engine applications
● Heavy-duty trucks and commercial vehicles
● Construction machinery and industrial diesel equipment
● Common rail fuel injection systems
● Cummins QSB5.9 diesel engines
● Cummins ISDe engine applications
● Heavy-duty trucks and commercial vehicles
● Construction machinery and industrial diesel equipment
● Common rail fuel injection systems
Product Advantages
● Precise Fuel Atomization
Provides accurate fuel spray and atomization, helping improve combustion efficiency and engine response.
● Stable High-Pressure Fuel Injection
Designed for common rail systems operating under high-pressure conditions for consistent fuel delivery.
● Improved Fuel Economy
Efficient fuel injection helps optimize combustion and reduce unnecessary fuel consumption.
● Durable OEM-Grade Construction
Manufactured using OEM-grade materials to ensure long service life and reliable performance under demanding conditions.
● OEM Standard
Manufactured to meet original equipment specifications for direct replacement.
Technical Specifications
|
Item |
Specification |
|
Item Name |
Diesel Fuel Injector |
|
Part Number |
4988835 |
|
Bosch Number |
0445120161 |
|
Application |
Cummins Diesel Engine |
|
Engine Model |
QSB4.5 / QSB5.9 / ISDe applications |
|
Fuel System |
Common Rail System |
|
Type |
Common Rail Injector |
|
Brand |
Cummins / Bosch Compatible |
|
Condition |
New |
|
Quality |
OEM Quality Replacement |
|
Material |
Alloy Steel |
|
Packaging |
Original Packing / Neutral Packing |
|
Warranty |
6 Months |
|
Place of Origin |
China |
Function
The diesel injector is responsible for delivering fuel into the engine combustion chamber at precise timing and pressure.
Inside the common rail system, the injector atomizes diesel fuel into fine particles to ensure efficient mixing with compressed air during combustion.
A properly functioning injector helps maintain stable engine power, smooth idle performance, lower fuel consumption, and reduced exhaust emissions.
In modern diesel engines, injectors play a critical role in engine efficiency, fuel economy, and overall combustion performance.
Inside the common rail system, the injector atomizes diesel fuel into fine particles to ensure efficient mixing with compressed air during combustion.
A properly functioning injector helps maintain stable engine power, smooth idle performance, lower fuel consumption, and reduced exhaust emissions.
In modern diesel engines, injectors play a critical role in engine efficiency, fuel economy, and overall combustion performance.
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.