Product Overview

This high-performance 4W7018 Fuel Injector Nozzle is engineered as a direct replacement for Caterpillar 3304 and 3306 diesel engines. Designed for durability and precise fuel delivery, this common rail injector is a critical component for maintaining optimal engine performance, fuel efficiency, and emissions control. We supply this part globally, with extensive experience serving key industrial markets across North America, Europe, the Middle East, and Asia-Pacific.

Key Features & Benefits

• Precision Engineering: Manufactured to exacting tolerances for consistent spray patterns and optimal fuel atomization, ensuring complete combustion and maximum power output.
• Premium Steel Construction: Built from high-grade steel for superior wear resistance and longevity, even under high-pressure operating conditions.
• Direct OEM Replacement: Designed as a direct fit for Caterpillar 3304 and 3306 engines, guaranteeing easy installation and reliable performance without modification.
• Enhanced Engine Performance: Restores factory-level engine power, improves fuel economy, and helps reduce harmful exhaust emissions.
• Rigorous Quality Control: Each unit undergoes stringent testing to ensure it meets performance and durability standards before shipment.

Technical Specifications

OEM Cross-Reference

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

• Caterpillar: 4W7018, 4W-7018

Always verify the part number stamped on your original injector nozzle for confirmation.

Compatibility

This fuel injector nozzle is specifically designed for use in:

• Engine Models: Caterpillar 3304, Caterpillar 3306.
• Typical Applications: This engine series is commonly found in a wide range of heavy machinery, including Caterpillar excavators, loaders, bulldozers, and generator sets. Please consult your equipment service manual for exact model-year compatibility.

Global Supply & Distribution

We are a professional supplier specializing in diesel engine components for the global market. Our logistics network ensures reliable and timely delivery to major industrial hubs worldwide.

• Worldwide Shipping: We export to North America, South America, Europe, the Middle East, Africa, and the Asia-Pacific region.
• Efficient Logistics: Fast container and air freight services to major ports and cities, ensuring minimal downtime for your operations.
• Export Expertise: All documentation, including commercial invoices, packing lists, and certificates of origin, is provided to ensure smooth customs clearance internationally.
• Bulk & B2B Focus: We cater to wholesalers, distributors, and large-scale repair workshops with competitive pricing for volume orders.

Quality Assurance

We stand behind the quality and performance of every part we supply.

• Manufacturing Standards: Produced in ISO-certified facilities using advanced CNC machinery and quality materials.
• Comprehensive Warranty: Backed by a 4-month warranty from the date of shipment, covering defects in material and workmanship.
• Testing & Inspection: Components undergo dimensional checks, pressure testing, and functional validation to ensure they meet or exceed original equipment specifications.

FAQ

Q1: Is this injector nozzle a direct fit for my Caterpillar 3306 engine?
A1: Yes, the 4W7018 injector nozzle is engineered as a direct OEM replacement for the Caterpillar 3304 and 3306 engine series. No modifications are required for installation. Always compare the part number with your old unit.

Q2: What is the lead time for orders shipping to Europe or North America?
A2: Lead times vary based on destination and shipping method. Typically, for container shipments to major ports like Rotterdam or Los Angeles, transit time is 25-35 days. Air freight options are available for faster delivery, usually within 5-10 business days. We provide precise quotes upon order confirmation.

Q3: Do you recommend replacing a single injector or the full set?
A3: For optimal engine balance and performance, it is generally recommended to replace all injector nozzles on the same engine simultaneously. This ensures uniform fuel delivery across all cylinders, preventing uneven wear and maintaining peak efficiency. Consult with a qualified diesel technician for your specific situation.

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 .