Product Overview

This is a high-performance diesel fuel injector, part number 326-4700, engineered as a direct replacement for Caterpillar® C6 and C6.4 engines. Designed for precision fuel delivery and optimal combustion, it is a critical component for maintaining engine power, efficiency, and emissions control. We supply this genuine-quality injector to a global B2B clientele, with major markets including North America, Europe, the Asia-Pacific region, and the Middle East, ensuring reliable performance for heavy machinery worldwide.

Key Features & Benefits

• Precision Engineered: Manufactured to exact OEM specifications for perfect fitment, spray pattern, and flow rate, ensuring seamless integration with the engine management system.
• Enhanced Durability: Constructed from high-grade materials to withstand extreme pressures and temperatures, offering a long service life and reducing total cost of ownership.
• Optimal Engine Performance: Delivers precise fuel atomization for complete combustion, maximizing horsepower, improving fuel economy, and minimizing harmful exhaust emissions.
• Reliable Quality: Each injector undergoes rigorous testing to ensure it meets stringent performance and leak-down standards before shipment.
• Global Logistics Support: Streamlined export processes and partnerships with major freight carriers enable fast, reliable delivery to key industrial hubs and ports internationally.

Technical Specifications

OEM Cross-Reference

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

• CAT: 326-4700, 3264700

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

Compatibility

This fuel injector is designed for the following Caterpillar® equipment models equipped with the C6 or C6.4 engine:

• Excavators: 320D, 321D
• Compatible Engine Models: C6, C6.4

Typical application years for these models range from the mid-2000s onward. For precise fitment, please confirm your machine’s model, engine serial number, and existing injector part number.

Global Supply & Distribution

We are a specialized supplier to the global heavy equipment aftermarket. Our robust supply chain and export expertise ensure reliable delivery to distributors, workshops, and fleet operators worldwide.

• Worldwide Shipping: We export to all major markets, including North America (USA, Canada, Mexico), Europe (UK, Germany, France, Poland), Asia-Pacific (Australia, Japan, Singapore), the Middle East (UAE, Saudi Arabia), and South America.
• Efficient Logistics: Orders are processed promptly upon payment confirmation. We utilize air and sea freight to major international ports (e.g., Los Angeles, Rotterdam, Singapore, Dubai) and inland logistics centers for fast final-mile delivery.
• Trade Compliance: All documentation (commercial invoice, packing list, certificate of origin) is prepared professionally to ensure smooth customs clearance in the destination country.

Quality Assurance

We are committed to supplying parts that meet the high demands of professional B2B customers.

• Manufacturing Standards: Components are produced using advanced CNC machinery and adhere to strict quality control protocols throughout the manufacturing process.
• Performance Testing: Every injector is tested for critical parameters including opening pressure, leak-down rate, and spray pattern to validate performance against OEM benchmarks.
• Warranty & Support: Backed by a 3-month warranty. Post-warranty, we provide video technical support to assist with installation or troubleshooting queries.

FAQ

Q1: Is this injector a direct “plug-and-play” replacement for my CAT 320D?
A1: Yes, provided your machine is equipped with a C6 or C6.4 engine and uses part number 326-4700. It is manufactured to OEM dimensions and electrical specifications for a direct fit. We recommend comparing the physical and part numbers of your old injector before installation.

Q2: Do you recommend replacing a single injector or the complete set?
A2: For optimal engine balance and performance, it is often recommended to replace injectors in sets, especially if the unit has high hours or other injectors are showing signs of wear. However, replacing a single failed injector is acceptable. A diagnostic check can help determine the condition of the remaining injectors.

Q3: What documentation and support do you provide for international buyers?
A3: We provide all necessary export documentation. For technical support, we offer detailed installation guides and post-warranty video technical support to assist your mechanics. We also ensure parts are packaged securely to withstand international shipping conditions.

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 .