Product Overview

This high-quality Common Rail Fuel Injector, identified by part numbers 0445120304, 5283275, and 5272937, is a precision-engineered component designed specifically for Cummins ISLe and ISL9 diesel engines. Manufactured to strict OEM specifications, this injector ensures optimal fuel atomization, improved combustion efficiency, and reduced emissions. We are a leading global supplier of heavy-duty diesel engine parts, serving major markets across North America, Europe, Asia-Pacific, the Middle East, and South America. Our logistics network ensures fast and reliable delivery to ports and industrial centers worldwide, making us the trusted partner for B2B buyers seeking genuine-quality replacement parts.

Key Features & Benefits

• Premium Build Quality: Constructed from high-grade stainless steel for exceptional durability and corrosion resistance, ensuring a long service life even in demanding operating conditions.
• OEM-Grade Performance: 100% professionally tested to guarantee precise fuel metering and injection timing, leading to enhanced engine power, fuel economy, and lower emissions.
• Direct Fitment: Designed as a direct replacement for OEM units, requiring no modifications for installation on compatible Cummins engines.
• Rigorous Quality Control: Manufactured in an ISO 9001:2000 and TS 16949 certified facility, ensuring consistent quality and reliability for critical engine applications.
• Comprehensive Warranty: Backed by a 6-month warranty, providing peace of mind and protection for your investment.

Technical Specifications

OEM Cross-Reference

This injector is a direct replacement for the following OEM part numbers:

• 0445120304 (Bosch Common Rail Injector Nozzle)
• 5283275 (Cummins OEM)
• 5272937 (Cummins OEM)

Compatibility

This fuel injector is specifically designed for the following engine models and applications:

• Engine Models: Cummins ISLe, Cummins ISL9
• Vehicle Applications: Cummins-powered trucks, Dongfeng commercial vehicles, and other heavy-duty equipment utilizing these engine platforms.
• Year Range: Suitable for engines manufactured from the year 2000 onwards.

Please verify your engine’s specific requirements before purchase to ensure correct fitment.

Global Supply & Distribution

Our robust supply chain is designed to meet the needs of international B2B clients. We offer:

• Worldwide Shipping: Reliable delivery to all major global markets via air, sea, and express courier (DHL, FedEx, UPS, TNT).
• Major Markets Served: North America, Europe (EU), Southeast Asia, Middle East (UAE, Saudi Arabia), Africa, and South America.
• Fast Delivery: Efficient logistics to major ports (e.g., Shanghai, Ningbo) and industrial hubs, with typical lead times for in-stock items.
• Export Experience: Adept at handling international trade documentation and customs clearance, ensuring a smooth transaction for our partners.

Quality Assurance

We are committed to delivering only the highest quality products. Our quality assurance process includes:

• Certified Manufacturing: Production in facilities holding ISO 9001:2000 and TS 16949 certifications, ensuring adherence to international automotive quality standards.
• 100% Testing: Every injector undergoes professional testing for flow rate, pressure, and spray pattern to guarantee performance and reliability.
• Rigorous Inspection: Multi-point inspection during and after production to eliminate defects and ensure dimensional accuracy.
• Warranty Coverage: All products are covered by a 6-month warranty against manufacturing defects, offering you confidence in your purchase.

FAQ

Q1: Is this injector a direct replacement for my Cummins ISL9 engine?

Yes, this injector (part number 0445120304 / 5283275 / 5272937) is designed as a direct OEM replacement for Cummins ISLe and ISL9 engines. It is a drop-in part that should match the original injector’s specifications. However, we always recommend verifying your engine’s specific injector code and year of manufacture to ensure compatibility.

Q2: What is the recommended installation procedure for this injector?

Installation should be performed by a qualified diesel technician. Key steps include: 1) Ensuring the engine is cool and the fuel system is depressurized. 2) Cleaning the injector bore thoroughly. 3) Replacing copper washers and O-rings with new ones (not included). 4) Torquing the injector clamp to the manufacturer’s specified setting. 5) Priming the fuel system and checking for leaks before starting the engine.

Q3: How can I ensure the longevity of this injector?

To maximize the service life of your new injector, use high-quality diesel fuel and replace your fuel filters regularly. Contaminated fuel is a primary cause of injector failure. Additionally, adhering to the engine manufacturer’s recommended maintenance schedule for fuel system components will help maintain optimal performance and prevent premature wear.

Our advantages

1.An authorized wholesaler of Isuzu genuine parts, Hino genuine parts, Mitsubishi genuine parts and Mahle parts.

2. We are not only supply genuine parts, but also high quality OEM parts, which are made in China or made in Japan.

3. More than 10 years of experience in machinery parts, professional supply of diesel engine parts.

4. Fast delivery, the fastest can be shipped in one day ,more than 500,000 of different types parts in stock.

5. Scientific ERP system, easy and fast to locate the parts that customer needs.

6. Professional technician checks the parts before delivery, to make sure the parts are correct, usable and defect-free.

Exhibition

Packing&Shipping

1.  Our shipment is by air/sea/express (DHL/FEDEX/TNT/UPS/EMS).

2.  Once we get confirmation of payment, we will ship products in 2 days.

3.  Our packaging is standard export wooden box or others as your requirement.

4. We’ll check and test the products before shipping , and givethe pictures to our customers to confirm.

FAQ

Q1. What is your company major products?

A: Our main products are Liner kit, Piston, Rings, Liner, Gasket kit, Bearing, Injection pump, Nozzle, Water pump, Oil pump,Crankshaft, Turbocharger,Filter, etc.

Q2.What is the MOQ?

A: Normally we can supply any quantity if we have in stock.

Q3. What is your payment term ?

A: We accept Western Union, T/T, Paypal.

Q4. What is the packing ?

A: Carton or wooden case , If you want to put your logo on the packing , We will do it after get your authorization letter.

Q5. When can you deliver products after payment ?

A: By Express ,usually might take 3-4 days ;By Air , Usually take 7-9 days ; By Sea ,usually take 1-2 months .

Q6. What can you do to complete order perfectly ?

A: In the beginning , We will communicate with clients in details to understand what they need .

Before packing , We will check the products and send photos to clients .After confirmation ,

We will packing products well to avoid damage . Once we get tracking number ,

We will send it to customer and keep contact in with clients .