Product Overview

This high-performance 4W7018 Diesel Injection Nozzle is engineered as a direct replacement for Caterpillar 3406B and 3306 series engines. Designed for the global B2B market, we supply heavy-duty equipment operators, fleet managers, and parts distributors worldwide. Our products are trusted in major markets including North America, Europe, the Middle East, and Asia-Pacific, ensuring reliable performance in demanding industrial and construction applications.

Key Features & Benefits

• Precision Engineered: Manufactured to exact OEM specifications for optimal fuel atomization, ensuring maximum combustion efficiency and engine power output.
• Premium Stainless Steel Construction: Built from high-grade stainless steel for superior corrosion resistance and long-term durability under extreme operating conditions.
• Enhanced Fuel Economy: Precise spray pattern reduces fuel waste, leading to improved mileage and lower operational costs for your machinery.
• Reduced Emissions: Cleaner, more complete combustion helps engines meet performance standards and reduces environmental impact.
• Direct Fit Replacement: Designed as a plug-and-play component, ensuring straightforward installation without the need for modifications.

Technical Specifications

OEM Cross-Reference

This part is a direct replacement for the following OEM part number:

• Caterpillar®: 4W7018

Always verify part number compatibility with your specific engine serial number before purchase.

Compatibility

This 4W7018 injection nozzle is designed for use in the following Caterpillar engine models:

• Caterpillar 3406B Diesel Engine
• Caterpillar 3306 Diesel Engine

These engines are commonly found in a wide range of heavy machinery, including Caterpillar excavators, trucks, and industrial power units.

Global Supply & Distribution

We are a leading supplier of diesel engine components with extensive export experience. We guarantee seamless international trade compliance and efficient logistics to all major global markets.

• Worldwide Shipping: We ship to North America, South America, Europe, Africa, the Middle East, and Asia-Pacific.
• Fast Delivery Network: Expedited shipping options are available to major ports and industrial hubs worldwide.
• B2B Focus: Our operations are optimized for bulk orders, providing competitive pricing and reliable supply chains for distributors and large-scale operators.

Quality Assurance

Every 4W7018 injection nozzle undergoes rigorous quality control to ensure it meets the highest performance standards.

• Manufacturing Standards: Produced in ISO-certified facilities using advanced CNC machinery for precision tolerances.
• Comprehensive Testing: Each unit is tested for spray pattern accuracy, leak integrity, and flow rate to guarantee OEM-level performance.
• Warranty: Backed by a 3-month warranty from the date of purchase, covering defects in materials and workmanship.

FAQ

Q: Is this 4W7018 nozzle a direct fit for my Caterpillar 3406B engine?
A: Yes, this part is manufactured as a direct OEM replacement for the Caterpillar 3406B and 3306 engines. For optimal results, ensure your engine’s serial number confirms compatibility with part number 4W7018.

Q: What are the signs that my diesel injection nozzle needs replacement?
A: Common symptoms include hard starting, rough idling, loss of engine power, excessive black smoke from the exhaust, increased fuel consumption, and higher engine noise levels. Regular maintenance and inspection are recommended.

Q: Do you provide technical support for installation?
A> While we provide professional-grade components designed for straightforward installation, we recommend that replacement and calibration be performed by a qualified diesel technician. Proper installation is critical for engine performance and longevity. Product datasheets and general guidance are available upon request for certified mechanics.

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 .