Product Overview

This is a high-performance, direct replacement fuel injector designed for Cummins ISB and QSB series diesel engines. Engineered for precision and durability, it ensures optimal fuel atomization and combustion efficiency. We specialize in global B2B supply, serving major markets across North America, Europe, Asia-Pacific, and the Middle East with reliable shipping and export compliance.

Key Features & Benefits

• Precision Engineering: Manufactured to exact OEM tolerances for perfect fitment and reliable performance.
• Enhanced Durability: Constructed from high-grade materials to withstand high-pressure fuel systems and extreme engine conditions.
• Optimal Fuel Economy: Delivers precise fuel metering to improve combustion efficiency and reduce fuel consumption.
• Consistent Performance: Ensures stable engine idling, smooth acceleration, and reduced emissions.
• Rigorous Testing: Each unit undergoes comprehensive pressure and flow testing to guarantee performance meets or exceeds specifications.

Technical Specifications

OEM Cross-Reference

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

• Cummins: 0445120177, 5254261, 5254261nx
• Hyundai Construction Equipment: 6755113100

Compatibility

Engine Models: This fuel injector is compatible with Cummins ISB and QSB series engines, specifically the 4.5L and 6.7L displacements.

• Cummins ISB4.5L
• Cummins QSB4.5L
• Cummins ISB6.7L
• Cummins QSB6.7L

Vehicle/Equipment Applications: Commonly found in medium-duty trucks, buses, construction equipment (including select Hyundai excavator models), and industrial power units utilizing the above engine platforms.

Global Supply & Distribution

We are a trusted partner for international distributors, workshops, and fleet operators. Our logistics network ensures efficient delivery to key industrial hubs and ports worldwide.

• Worldwide Shipping: Reliable air and sea freight to all major continents.
• Key Markets Served: North America (USA, Canada, Mexico), European Union, United Kingdom, Australia, Southeast Asia, and the Middle East.
• Fast Delivery: Consolidated shipping to major ports like Los Angeles, Rotterdam, Singapore, and Dubai for rapid regional distribution.
• Export Expertise: All documentation, including commercial invoices, packing lists, and certificates of origin, is handled professionally to ensure smooth customs clearance.

Quality Assurance

We are committed to supplying parts that meet the highest standards of quality and reliability.

• Manufacturing Standards: Produced in ISO-certified facilities using advanced CNC machinery and quality-controlled materials.
• Performance Warranty: Backed by a standard warranty against manufacturing defects.
• Testing Protocol: Every injector is subjected to rigorous bench testing for spray pattern, leak integrity, and flow rate to ensure it matches OEM performance parameters.

FAQ

Q: Is this injector a direct fit for my Cummins QSB6.7L engine?
A: Yes, this injector with part number 0445120177 is a direct OEM replacement for the QSB6.7L engine. Please verify your engine’s specific model and existing part number for absolute confirmation.

Q: What is included with the injector, and is professional installation required?
A: The injector is supplied as a single, ready-to-install unit. While installation procedures are straightforward for qualified technicians, we recommend professional installation to ensure proper torque specifications and sealing are achieved for optimal performance and to prevent leaks.

Q: Do you offer technical support for international B2B clients?
A: Absolutely. Our technical team provides support for fitment verification and application questions. We also assist with bulk order specifications and logistics planning for our global distributor partners.

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 .