Product Overview

This is a brand new, high-quality HEUI (Hydraulically actuated, Electronically controlled, Unit Injector) diesel fuel injector, designed for the Caterpillar C9 engine. Manufactured to meet or exceed OEM specifications, this injector (part numbers 387-9431, 10R-9003, 328-2580) ensures reliable performance and fuel efficiency for your heavy-duty equipment. We offer global shipping to major industrial centers in North America, Europe, Asia-Pacific, the Middle East, and Africa, with fast delivery via DHL, UPS, FedEx, and TNT. Our products are trusted by fleet managers and equipment owners worldwide for their durability and precision.

Key Features & Benefits

• Precision Engineering: Delivers accurate fuel metering and injection timing for optimal combustion, maximizing engine power and fuel economy.
• Superior Durability: Constructed from high-grade steel and robust internal components to withstand the extreme pressures of the HEUI system, ensuring a long service life.
• Direct OEM Replacement: A perfect drop-in replacement for the original Caterpillar injectors, saving you time and labor costs on installation.
• Stringent Quality Control: Each injector undergoes rigorous testing for flow rate, spray pattern, and pressure integrity to guarantee reliable performance out of the box.
• Reduced Downtime: Restores engine performance to factory specifications, eliminating issues like hard starting, white smoke, and reduced power.

Technical Specifications

OEM Cross-Reference

This fuel injector is a direct replacement for the following original equipment manufacturer (OEM) part numbers. Please verify your engine’s specific injector code for exact fitment.

• Caterpillar OEM: 387-9431
• Caterpillar OEM: 10R-9003
• Caterpillar OEM: 328-2580

Compatibility

This injector is specifically designed for the Caterpillar C9 diesel engine. Common applications include, but are not limited to:

• Excavators: Caterpillar 320D, 323D, 324D, 325D, 329D, 330D, 336D series.
• Wheel Loaders: Caterpillar 950H, 962H, 966H, 972H series.
• On-Highway Trucks: Caterpillar C9 powered trucks and buses.
• Industrial Engines: C9 generator sets and industrial power units.

Note: Always confirm your engine serial number and injector code (e.g., 9Y-…) to ensure correct match.

Global Supply & Distribution

We are a dedicated supplier of high-quality diesel engine parts with a robust global logistics network. Our capabilities ensure your parts arrive quickly and safely, no matter your location.

• Worldwide Shipping: We partner with DHL, UPS, FedEx, TNT, and EMS for reliable door-to-door service.
• Major Markets Served: Our products are exported to North America (USA, Canada, Mexico), Europe (Germany, UK, Netherlands, France), Asia-Pacific (Australia, Singapore, Indonesia), the Middle East (UAE, Saudi Arabia), Africa (South Africa, Nigeria), and South America.
• Fast Delivery: Orders are processed and shipped within 3-7 working days. We ensure fast transit times to all major ports and industrial zones.
• Flexible Packaging: We offer standard secure packaging or can customize it to meet your specific requirements.

Quality Assurance

We are committed to providing parts that meet the highest industry standards for performance and reliability.

• Manufacturing Standards: Our parts are manufactured in ISO-certified facilities, utilizing advanced production and testing equipment.
• Testing: Every injector is individually tested for opening pressure, spray pattern, and leak tightness before shipment.
• Warranty: We stand behind the quality of our product with a 4-month warranty against manufacturing defects.

FAQ

Q: How do I know if this injector (387-9431) fits my engine?
A: This injector is designed for the Caterpillar C9 engine. However, the C9 engine uses different injector codes (e.g., 9Y-…). You must check the injector code stamped on your current injector’s body or in your engine’s parts manual. The part numbers 387-9431, 10R-9003, and 328-2580 are the primary references for this specific unit. If your code matches one of these, it is a direct fit.

Q: What is the recommended installation procedure for a HEUI injector?
A: Installation requires careful attention. Key steps include: 1) Thoroughly clean the injector bore in the cylinder head. 2) Lubricate the new O-rings with clean engine oil. 3) Install the injector and torque the hold-down clamp to the manufacturer’s specification (usually around 30-35 Nm). 4) Reconnect the high-pressure oil and fuel lines. 5) After installation, the engine’s ECM may need to perform a “cylinder cutout test” or “injector calibration” to ensure proper operation. We recommend professional installation by a qualified diesel technician.

Q: What are common signs of a failing HEUI injector on a Cat C9?
A: Common symptoms of a worn or failed injector include: hard starting, excessive white or black smoke from the exhaust, a noticeable “miss” or rough idle, reduced engine power under load, increased fuel consumption, and potentially, crankcase oil dilution. Replacing a faulty injector promptly can prevent damage to other engine components like the turbocharger and DPF system.

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 .