Product Overview

This is a premium remanufactured common rail fuel injector, specifically designed for Caterpillar C7 and C9 diesel engines. As a critical component of the fuel injection system, this injector (OEM 5577627 / 387-9427) is engineered to restore engine performance and fuel efficiency in heavy-duty excavators. We ship globally, serving major markets in North America, South America, Europe, the Middle East, and Asia-Pacific, providing reliable solutions for construction and mining equipment operators.

Key Features & Benefits

• Precision Engineering: Manufactured from high-speed steel for exceptional durability and resistance to wear under high-pressure injection conditions.
• 100% Professional Testing: Each unit undergoes rigorous flow rate, spray pattern, and pressure testing to ensure it meets or exceeds OEM specifications.
• Optimized Fuel Economy: Restores precise fuel metering for improved combustion, leading to lower fuel consumption and reduced emissions.
• Enhanced Engine Performance: Eliminates common issues like hard starting, rough idling, black smoke, and loss of power associated with faulty injectors.
• Plug-and-Play Installation: Remanufactured to OE specifications for a direct fit, minimizing downtime during replacement.

Technical Specifications

OEM Cross-Reference

This injector is a direct replacement for the following OEM and cross-reference numbers:

• Primary OEM: 5577627, 557-7627
• Alternate Numbers: 263-8218
• Alternate Numbers: 387-9427

Compatibility

This fuel injector is compatible with the following engine models and equipment:

• Engine Models: Caterpillar C7, Caterpillar C9
• Vehicle/Equipment Applications: Caterpillar 324D L, 324D LN, 325D L, 325D FM Excavators
• Other Applications: Various Caterpillar machinery utilizing the C7 or C9 diesel engine platform.

Global Supply & Distribution

We offer a robust global supply chain to ensure fast and reliable delivery to our B2B partners. Our distribution network covers:

• North America: Ready stock for quick shipping to the USA, Canada, and Mexico.
• Europe: Efficient logistics to major ports and industrial hubs in the UK, Germany, France, and the Netherlands.
• Asia-Pacific: Fast delivery to Australia, Singapore, and the UAE.
• Middle East & Africa: Serving the oil & gas and mining sectors with competitive lead times.
• South America: Reliable shipping to Brazil, Chile, and Argentina.

We have extensive export experience and comply with international trade regulations to ensure a smooth customs clearance process.

Quality Assurance

Our remanufacturing process adheres to strict quality control standards. Each injector is disassembled, cleaned, and inspected. Worn components are replaced with new parts, and the unit is reassembled with precision. Every injector is 100% professionally tested for:

• Fuel flow rate at various pressures.
• Spray pattern and atomization quality.
• Seal integrity and leak testing.

We stand behind our product with a 6-month warranty against manufacturing defects.

FAQ

Q: Is this injector a direct fit for my Caterpillar 325D L excavator?

A: Yes, this injector (5577627) is a direct OE replacement for the Caterpillar 325D L and 324D L models equipped with the C7 or C9 engine. We recommend verifying your machine’s engine serial number against our compatibility list to ensure a perfect fit.

Q: What is the recommended installation procedure for this remanufactured injector?

A: Professional installation is recommended. The process involves removing the valve cover and fuel lines, cleaning the injector bore, replacing the copper washer and O-rings (included in a service kit), and torquing the injector to the manufacturer’s specifications. It is critical to prime the fuel system after installation to remove air before starting the engine.

Q: How does a remanufactured injector compare to a new OEM injector in terms of performance and lifespan?

A: Our remanufactured injectors are engineered to meet OEM performance standards. By replacing all wear items (such as nozzles, plungers, and seals) and using high-speed steel, they offer a service life comparable to a new OEM unit at a significantly lower cost. The 6-month warranty provides assurance of its quality and reliability.

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 .