Product Overview

This WX brand diesel fuel injector is a high-precision, direct replacement component designed specifically for Cummins QSB4.5 and QSB6.7 diesel engines commonly used in excavators and heavy construction equipment. Engineered to meet or exceed OEM specifications, this injector ensures optimal fuel atomization, improved combustion efficiency, and reduced emissions. We offer global shipping with fast delivery to major ports and industrial centers across North America, Europe, Asia-Pacific, and the Middle East.

Key Features & Benefits

• Precision Engineering: Manufactured from high-grade stainless steel for maximum corrosion resistance and long service life.
• OEM Standard Fitment: Direct bolt-on replacement for original injectors, requiring no modifications for installation.
• Enhanced Performance: Delivers consistent fuel pressure and precise injection timing for improved engine power and fuel economy.
• Stringent Quality Control: Each injector undergoes 100% flow rate and pressure testing to ensure reliable performance.
• Cost-Effective Solution: A high-quality aftermarket alternative to expensive dealer parts, backed by a 4-month warranty.

Technical Specifications

OEM Cross-Reference

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

• Bosch: 0445120367, 0445120376
• Cummins: 5283840
• Injector Nozzle: DLLA127P2402
• Additional Reference: F00RJ02472

Compatibility

• Engine Models: Cummins QSB4.5, QSB6.7 (Tier 3/4i compliant variants)
• Equipment Applications: Excavators, wheel loaders, bulldozers, and other heavy construction machinery using QSB series engines.
• Vehicle Applications: Diesel engine cars and commercial vehicles fitted with these engine codes.

Global Supply & Distribution

We are a dedicated supplier of diesel engine components with a strong global logistics network. Our shipping capabilities include:

• Worldwide Shipping: Reliable delivery to over 50 countries via air, sea, and express courier.
• Major Markets: North America (USA, Canada, Mexico), Europe (Germany, UK, France, Netherlands), Asia-Pacific (Japan, South Korea, Australia), Middle East (UAE, Saudi Arabia), and South America (Brazil, Chile).
• Fast Delivery: Stock held in our Shandong, China warehouse for rapid dispatch to major ports like Shanghai, Qingdao, and Ningbo.
• Trade Compliance: Experienced in international export documentation and customs clearance.

Quality Assurance

• Manufacturing Standards: Produced in an ISO-certified facility using advanced CNC machining and assembly lines.
• Testing: 100% tested for flow rate, spray pattern, and pressure integrity before packaging.
• Warranty: Covered by a 4-month warranty against manufacturing defects in materials and workmanship.

FAQ

Q1: Is this injector a direct fit for my Cummins QSB6.7 engine?
A: Yes, this injector (0445120367/5283840) is designed as a direct OEM replacement for Cummins QSB4.5 and QSB6.7 engines. It matches the original mounting dimensions, electrical connector, and fuel flow specifications. No additional adapters or modifications are required.

Q2: What is the recommended installation procedure?
A: Installation should be performed by a qualified diesel technician. Key steps include: 1) Cleaning the injector bore thoroughly, 2) Replacing the copper washer/seal, 3) Torquing the injector clamp to manufacturer specifications (typically 25-30 Nm), and 4) Bleeding the high-pressure fuel system after installation. Always consult your engine service manual.

Q3: How do I verify the injector’s performance after installation?
A: After installation, start the engine and check for any fuel leaks around the injector base. A smooth idle and reduced exhaust smoke indicate proper function. For precise confirmation, a diagnostic scan tool can be used to monitor cylinder contribution and fuel trim values. If the engine exhibits rough running or excessive smoke, re-check the injector torque and electrical connection.

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 .