Product Overview

This high-performance CAT C7 Heui Fuel Injector (OEM 387-9428 / 10R-4763) is a direct replacement unit designed for the Caterpillar C7 diesel engine, commonly found in E320D excavators and other heavy machinery. Manufactured to OE specifications, this injector ensures reliable fuel delivery and optimal engine performance. We ship globally to industrial hubs across North America, Europe, the Middle East, and Asia-Pacific, ensuring fast and reliable delivery for your repair or replacement needs.

Key Features & Benefits

• Precision Engineering: Manufactured with high-grade steel and advanced machining for exacting tolerances and leak-free operation.
• Direct Fitment: 100% new aftermarket part, designed for a seamless “plug-and-play” replacement with no modifications required.
• Enhanced Durability: Built to withstand high-pressure HEUI systems, ensuring a long service life even in demanding excavator applications.
• Improved Fuel Economy: Optimized spray pattern promotes efficient combustion, reducing fuel consumption and emissions.
• Rigorous Testing: Each unit is pressure and flow tested to guarantee performance and reliability before shipment.

Technical Specifications

OEM Cross-Reference

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

• Caterpillar OEM: 387-9428, 3879428, 10R-4763, 10R4763
• Interchange Numbers: 10R4763, 387-9428

Compatibility

• Engine Models: Caterpillar C7 (HEUI System)
• Vehicle/Equipment Applications:
  • Excavator: CAT E320D, E320D L
  • Other C7-powered CAT machinery (On-Highway Trucks, Loaders)
• Note: Always verify your engine serial number and injector code for exact compatibility.

Global Supply & Distribution

As a leading supplier of diesel engine components from Shandong, China, we offer a comprehensive global logistics network:

• Shipping Partners: DHL, UPS, FedEx, TNT, and EMS for fast international delivery.
• Lead Time: 3-30 working days depending on order volume and destination.
• Major Markets: We regularly supply parts to North America, Europe, Southeast Asia, the Middle East, Africa, and South America.
• Ports & Hubs: Efficient shipping to major industrial ports including Los Angeles, Rotterdam, Dubai, Singapore, and Shanghai.
• Trade Compliance: We handle all necessary export documentation for smooth customs clearance.

Quality Assurance

• Manufacturing Standard: Produced in an ISO-certified facility under strict quality control processes.
• Testing: 100% tested for flow rate, pressure, and spray pattern before packaging.
• Warranty: 4-month warranty against manufacturing defects.
• Packaging: Professional and secure packaging to prevent damage during transit, with customer-specific packaging available upon request.

FAQ

Q: Will this injector fit my CAT C7 engine in an E320D excavator?
A: Yes, this injector with part number 387-9428 / 10R4763 is specifically designed for the CAT C7 engine. It is a direct replacement for the original injectors in the E320D excavator. We recommend checking your current injector part number to confirm compatibility.

Q: Is this a genuine Caterpillar part or an aftermarket replacement?
A: This is a high-quality aftermarket replacement part. It is manufactured to meet or exceed OEM specifications and offers a cost-effective alternative to the genuine CAT part. It is brand new and comes with a 4-month warranty.

Q: What is the typical installation process for this HEUI injector?
A: Installation requires mechanical expertise. The process involves removing the valve cover, disconnecting the fuel lines and electrical connector, removing the hold-down clamp, and pulling the old injector. The new injector should be installed with new o-rings and copper washers (not included). It is critical to torque the injector to factory specifications. We recommend professional installation to avoid engine damage.

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 .