Product Details
Product Overview
This high-quality, new Common Rail fuel injector is designed specifically for Caterpillar C7 engines, as well as the 324D and 325D excavator models. Manufactured to meet or exceed OEM standards, this injector (referenced by numbers 557-7627, 295-1411, 20R-9079, and 10R-7225) is a direct replacement part that ensures optimal fuel delivery and engine performance. We serve a global network of buyers, with a strong supply chain reaching major markets in North America, Europe, Southeast Asia, the Middle East, and Africa.
Key Features & Benefits
- Precision Engineering: Manufactured from high-grade stainless steel for superior durability and corrosion resistance, ensuring a long service life in demanding environments.
- 100% Pre-Tested: Every injector undergoes rigorous professional testing to verify fuel pressure, spray pattern, and flow rate, guaranteeing reliable performance right out of the box.
- OEM Standard Replacement: Designed for a perfect, plug-and-play fit on Caterpillar C7, 324D, and 325D models, eliminating the need for modifications.
- Enhanced Fuel Efficiency: The common rail design ensures precise fuel atomization, leading to better combustion, reduced fuel consumption, and lower emissions.
- Low MOQ & Fast Shipping: With a low minimum order quantity of just 1 piece and a 3-7 day delivery window, we cater to both urgent repairs and bulk inventory needs.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Type | Fuel Injector (Common Rail) |
| OE Numbers | 557-7627, 295-1411, 20R-9079, 10R-7225 |
| Engine Application | Caterpillar C7 |
| Vehicle/Equipment Model | 324D, 325D Excavators |
| Material | Stainless Steel |
| Condition | New |
| Fuel Type | Diesel |
| Quality Control | 100% Professional Pre-Tested |
| Warranty | 6 Months |
| Package Size | 30 x 30 x 30 cm |
| Gross Weight | 3.0 kg |
OEM Cross-Reference
This injector is a direct replacement for the following OEM and cross-reference part numbers:
- Primary OEM: 557-7627, 295-1411
- Alternate/Cross Numbers: 20R-9079, 20R9079, 10R-7225
Please verify your existing part number against this list to ensure compatibility.
Compatibility
- Engine Models: Caterpillar C7 Diesel Engine
- Equipment Models: Caterpillar 324D, 325D Excavators
- Other Applications: Also compatible with various Caterpillar highway trucks and industrial equipment utilizing the C7 engine platform (please verify with your engine serial number).
Global Supply & Distribution
We are a dedicated supplier of heavy-duty diesel engine parts, offering efficient logistics to meet the demands of the global B2B market.
- Worldwide Shipping: We ship to all major continents, including North America, South America, Europe, Asia, Africa, and Oceania.
- Major Ports Served: Fast and reliable delivery to key ports such as Los Angeles, Houston, Rotterdam, Shanghai, Dubai, and Singapore.
- Flexible Logistics: We support shipping via air freight, sea freight, and express couriers (DHL, FedEx, UPS, TNT) based on your urgency and budget.
- Export Experience: Our team is experienced in international trade documentation and customs clearance to ensure a smooth transaction.
Quality Assurance
Our commitment to quality ensures you receive a part that performs reliably under the toughest conditions.
- Manufacturing Standards: Produced in an ISO-certified facility, adhering to strict quality control processes.
- Testing: Each injector is 100% tested for opening pressure, spray pattern, leakage, and dynamic flow before packaging.
- Warranty: We offer a 6-month warranty against manufacturing defects, providing you with peace of mind for your investment.
FAQ
Q: Is this injector a direct replacement for the 20R-9079 part on my Cat 325D?
A: Yes, the 20R-9079 (and 20R9079) is a cross-reference number for this injector. It is a direct plug-and-play replacement for the original 20R-9079 unit on Caterpillar 325D excavators.
Q: What is the installation procedure for this C7 injector?
A: Installation should be performed by a qualified diesel technician. Key steps include cleaning the injector bore, replacing the copper washer and O-rings, torquing the injector clamp to the manufacturer’s specification, and performing a fuel system prime before starting the engine. We recommend consulting the Caterpillar service manual for your specific model.
Q: How should I store this injector if I am not installing it immediately?
A: To prevent contamination and damage, store the injector in its original packaging in a clean, dry environment. Keep the protective caps on the inlet, outlet, and nozzle tip until the moment of installation to prevent dirt and moisture from entering the precision components.
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 C7 324D 325D Fuel Injector 557-7627 295-1411 20R-9079 10R-7225 Common Rail Diesel
Send one clear inquiry and we will reply with quotation, lead time, and fitment confirmation.
- OEM number is included automatically when available.
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Inquiry Desk
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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.