Product Overview

This is a premium, direct-replacement fuel injector (Part Number 326-4700) specifically engineered for Caterpillar C6.4 engines used in the 320D series excavators. As a critical component of the fuel system, this injector ensures precise fuel delivery for optimal combustion, power output, and fuel efficiency. Sourced from a professional manufacturer in Shandong, China, we serve a global client base across North America, Europe, the Middle East, and Asia-Pacific, offering reliable shipping and competitive wholesale pricing for B2B buyers and workshop distributors.

Key Features & Benefits

• OEM Standard Fitment: Manufactured to meet or exceed original equipment specifications for seamless installation and reliable performance.
• 100% Professional Testing: Each injector undergoes rigorous flow, pressure, and spray pattern testing to ensure consistent fuel atomization and engine efficiency.
• Enhanced Durability: Constructed with hardened steel and precision-machined components to withstand the high-pressure demands of the C6.4 common-rail system.
• Improved Engine Performance: Restores lost power, reduces black smoke, and improves fuel economy by correcting faulty injector spray patterns.
• Cost-Effective Solution: A high-quality aftermarket alternative to expensive dealer parts, backed by a 6-month warranty for peace of mind.

Technical Specifications

OEM Cross-Reference

This fuel injector is a direct replacement for the following OEM and aftermarket part numbers. Please verify your existing part number before ordering.

• Caterpillar OEM: 326-4700
• Komatsu Alternative: 32f61-00062
• Aftermarket Reference: 3264700
• Aftermarket Reference: 10R-7675

Compatibility

This injector is specifically designed for the Caterpillar C6.4 engine, which powers the following excavator models:

• Caterpillar 320D
• Caterpillar 320D FM
• Caterpillar 320D FM RR
• Caterpillar 320D GC
• Caterpillar 320D L
• Caterpillar 320D LN
• Caterpillar 320D LRR

Note: Please confirm your engine serial number (C6.4) and injector code to ensure compatibility. This part is not suitable for C7 or C9 engines.

Global Supply & Distribution

We are an international B2B supplier with a strong logistics network capable of delivering to major industrial hubs worldwide.

• Shipping: Fast dispatch within 3-7 business days via DHL, FedEx, UPS, or sea freight for bulk orders.
• Major Markets: North America (USA, Canada, Mexico), Europe (Germany, UK, Netherlands, France), Asia-Pacific (Australia, Singapore, UAE), and the Middle East (Saudi Arabia, Qatar).
• Ports Served: Efficient delivery to ports like Los Angeles, Rotterdam, Jebel Ali, and Shanghai.
• Export Experience: We comply with international trade standards and can handle customs documentation for smooth clearance.

Quality Assurance

• Manufacturing Standards: Produced in an ISO-compliant facility with strict quality control measures.
• Testing: Every unit is flow-tested on a calibrated ASNU or Hartridge machine to ensure proper injection pressure and volume.
• Warranty: Backed by a 6-month warranty against manufacturing defects. Warranty does not cover damage due to improper installation, contaminated fuel, or normal wear.

FAQ

Q1: Will this injector fit my Caterpillar 320D GC excavator?
Yes, this injector (326-4700) is compatible with the C6.4 engine found in the 320D GC model. However, we strongly recommend checking your engine serial number and the existing injector part number. The 320D GC uses a specific calibration, and while the hardware is identical, ensure the injector code matches your engine’s electronic control unit (ECU) parameters.

Q2: What is the installation procedure for this injector?
Installation should be performed by a qualified diesel technician. Key steps include: 1) Depressurizing the fuel system. 2) Cleaning the injector bore thoroughly. 3) Replacing the copper washer and O-rings (included in the kit). 4) Torquing the injector clamp to the manufacturer’s specification (typically 25-30 Nm). 5) Performing a leak-off test after installation. Improper installation can lead to injector failure or engine damage.

Q3: How can I verify the quality of this injector before installation?
The injector is 100% tested before shipping. You can visually inspect the nozzle for any damage upon arrival. For technical validation, a diesel shop can check the injector’s opening pressure (typically around 300-350 bar for C6.4) and spray pattern on a test bench. If the injector is faulty upon receipt, please contact us immediately within the warranty period for a replacement.

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 .