Product Details
Product Overview
This is a premium-quality, brand-new Caterpillar C9 HEUI (Hydraulic Electronic Unit Injector) designed for heavy-duty excavators and industrial diesel engines. As a direct replacement for OEM numbers 258-8745, 265-8106, and 293-4074, this injector ensures optimal fuel atomization and engine performance. We serve a global B2B client base, with fast shipping to major industrial hubs in North America, Europe, Asia-Pacific, and the Middle East.
Key Features & Benefits
- Precision Engineering: Manufactured to strict OEM specifications, ensuring a perfect fit and seamless integration with Caterpillar C9 engines.
- Enhanced Fuel Efficiency: The HEUI system delivers precise fuel injection timing and pressure, reducing fuel consumption and operational costs.
- Durable Construction: Built from high-grade steel to withstand extreme pressures and temperatures, providing a long service life in demanding excavator applications.
- Plug-and-Play Installation: Designed for direct replacement, minimizing downtime and simplifying the repair process for your workshop.
- Rigorous Testing: Every injector is pressure-tested and flow-matched to ensure consistent performance across all cylinders.
Technical Specifications
| Specification | Details |
|---|---|
| Part Number | 258-8745, 265-8106, 293-4074 |
| Product Type | Diesel Fuel Injector (HEUI) |
| Engine Application | Caterpillar C9 |
| Material | High-Grade Steel |
| Condition | Brand New |
| Warranty | 4 Months |
| Place of Origin | Shandong, China |
| Single Package Size | 25 x 15 x 15 cm |
| Single Gross Weight | 2.000 kg |
OEM Cross-Reference
This injector is a direct cross-reference for the following OEM part numbers, ensuring compatibility with your existing Caterpillar inventory:
- Caterpillar OEM: 258-8745
- Caterpillar OEM: 265-8106
- Caterpillar OEM: 293-4074
Note: This part is a high-quality aftermarket replacement, manufactured to meet or exceed OEM standards.
Compatibility
- Engine Model: Caterpillar C9 (Diesel)
- Vehicle/Equipment Application: Caterpillar Excavators (e.g., 320D, 323D, 325D, 330D series) and other heavy machinery utilizing the C9 HEUI system.
- Year Range: Typically compatible with models produced from the mid-2000s onward. Please verify your engine serial number for exact fitment.
Global Supply & Distribution
We are a dedicated supplier of heavy-duty engine parts with a robust logistics network. We offer worldwide shipping via DHL, UPS, FEDEX, EMS, and TNT to ensure fast and reliable delivery.
- Major Markets: We serve clients in the United States, Canada, Germany, Australia, UAE, Saudi Arabia, Singapore, and across Southeast Asia.
- Fast Delivery: Typical dispatch within 3-7 working days. Express shipping options available for urgent orders.
- Port Expertise: Experienced in shipping to major ports (Rotterdam, Shanghai, Singapore, Los Angeles) and industrial centers.
- Trade Compliance: We handle all international trade documentation and customs clearance support.
Quality Assurance
- Manufacturing Standard: Produced in an ISO 9001-certified facility, adhering to strict quality control processes.
- Testing: Each injector undergoes rigorous pressure and flow testing to ensure reliability.
- Warranty: We offer a 4-month warranty against manufacturing defects, providing peace of mind for your operations.
FAQ
1. Is this injector a direct replacement for my Caterpillar C9 engine?
Yes, this part is designed as a direct plug-and-play replacement for the OEM HEUI injectors on Caterpillar C9 engines. It matches the physical dimensions and electrical specifications of the original parts (258-8745, 265-8106, 293-4074).
2. Do I need to replace all injectors at the same time?
While it is not mandatory, we recommend replacing injectors in complete sets to ensure balanced fuel delivery and optimal engine performance. If replacing a single faulty injector, ensure it is flow-matched to the existing ones.
3. What maintenance is required after installation?
After installation, it is crucial to prime the fuel system to remove air. Also, check and replace the engine oil and fuel filters. We recommend using high-quality diesel fuel and changing the fuel filter regularly to prevent injector clogging and extend service life.
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 .
FAQ
Common Product Inquiry Questions
How can I confirm this part matches my engine or injector model?
Send the OEM number, engine model, application, or clear product photos. We will help verify the suitable part before quotation.
Can I ask for packing, shipping, and delivery details together?
Yes. You can combine product confirmation, quantity, destination, packing request, and shipment method in one inquiry so the quotation is more complete.
Why is price not displayed on the page?
This catalog is built for B2B inquiry. Final pricing depends on the confirmed part number, quantity, stock situation, and shipping destination.
What information helps you quote faster?
Please include the OEM number, engine model, quantity, destination country, and any packing or shipping preference. This usually speeds up matching and quotation.
Inquiry Desk
Send Product Inquiry
Use this form to ask for fitment, MOQ, delivery time, packing, and shipping support for this product.
- Simple inquiry flow with direct sales follow-up.
- Send OEM number, quantity, or destination in the optional message if available.
- Every submission is stored in WordPress and sent to your admin email.
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Quick Inquiry
Caterpillar C9 Heui Fuel Injector 258-8745 265-8106 293-4074 for Excavator Engine
Send one clear inquiry and we will reply with quotation, lead time, and fitment confirmation.
- OEM number is included automatically when available.
- Add quantity, destination, and packing needs for a faster quote.
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Inquiry Desk
Send Inquiry
Quick contact for this product. OEM number is attached automatically.
- Simple inquiry flow with direct sales follow-up.
- Send OEM number, quantity, or destination in the optional message if available.
- Every submission is stored in WordPress and sent to your admin email.