Product Overview

This is a professional-grade, remanufactured Common Rail Diesel Fuel Injector, part number 557-7627 (OEM: 5577627). Engineered for precision and reliability, it is designed to restore optimal fuel delivery and engine performance. We supply this critical component to a global network of distributors, workshops, and fleet operators, with major markets across North America, Europe, Asia-Pacific, and the Middle East.

Key Features & Benefits

• 100% Professionally Tested: Each injector undergoes rigorous bench testing to ensure it meets or exceeds original performance specifications for flow rate, spray pattern, and leak integrity.
• Premium Remanufacturing: The core is completely disassembled, cleaned, and rebuilt with new high-speed steel components where required, delivering like-new performance at a fraction of the cost.
• Enhanced Durability: Manufactured from high-speed steel for superior wear resistance and longevity under high-pressure common rail system conditions.
• Precision Fitment: Guaranteed to match the exact dimensions and electrical characteristics of the original OE part for seamless integration into your engine system.
• Performance Restoration: Directly addresses issues of poor fuel economy, loss of power, excessive smoke, and rough idling by ensuring precise fuel metering.

Technical Specifications

OEM Cross-Reference

This injector directly replaces the following OEM part numbers:

• 557-7627
• 5577627

Note: Always verify physical and electrical compatibility with your specific engine before installation.

Compatibility

This Common Rail Injector is designed for specific diesel engine applications that utilize the OE part number 5577627. It is critical to verify the engine model, ECU software, and calibration codes for your specific vehicle or equipment. Consult your engine service manual or contact our technical support with your engine serial number for precise fitment confirmation.

Global Supply & Distribution

We are a leading exporter of diesel engine components with established logistics channels worldwide. Our capabilities include:

• Worldwide Shipping: Reliable delivery via air and sea freight to all major global markets.
• Key Market Focus: Extensive supply experience to North America (USA, Canada, Mexico), the European Union, the United Kingdom, Australia, the Middle East (UAE, Saudi Arabia), and Southeast Asia.
• Efficient Logistics: Fast dispatch to major international ports and industrial hubs. Standard delivery windows range from 3-35 days depending on destination and shipping method.
• Trade Compliance: All shipments are prepared with complete and accurate commercial documentation (invoice, packing list, certificate of origin) to ensure smooth customs clearance.

Quality Assurance

Our commitment to quality ensures you receive a dependable component for professional use.

• Manufacturing Process: Each injector is remanufactured in a controlled facility using specialized tooling and cleaning systems that meet industry standards.
• Comprehensive Testing: Post-remanufacturing, every unit is tested on advanced injector test benches to validate popping pressure, flow consistency, leak-down rates, and solenoid response.
• Warranty Backing: This product is backed by a 6-month warranty from the date of purchase, covering defects in materials and workmanship under normal use.
• Packaging: Individually packaged in protective materials to prevent damage during international transit.

FAQ

Q1: Is this injector a direct “plug-and-play” replacement for my engine?
A1: Yes, this remanufactured injector is designed as a direct physical and electrical replacement for engines specified for OE part 5577627. However, professional installation is recommended, and on many modern common rail systems, the new injector’s calibration code may need to be programmed into the Engine Control Unit (ECU) for optimal performance.

Q2: What is the main advantage of choosing a remanufactured injector over a new one?
A2> The primary advantage is significant cost savings while restoring reliable performance. Our remanufacturing process replaces all wear-prone internal components with new high-speed steel parts and rigorously tests the unit, offering a cost-effective solution without compromising on function or durability for most repair scenarios.

Q3: Do you provide technical support for installation and troubleshooting?
A3: Yes. We provide basic technical data and installation guidelines. For complex fitment questions or troubleshooting post-installation issues, we recommend consulting the vehicle/engine service manual or a certified diesel technician. We can assist with cross-reference verification based on the engine model and serial number you provide.

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 .