Product Overview

This high-performance Common Rail Fuel Injector (Part Number 155-1819 / 1551819) is engineered as a direct replacement for the Caterpillar 3126 diesel engine. As a leading supplier of remanufactured diesel engine components, we specialize in global distribution to major industrial markets, including North America, Europe, the Middle East, and Asia-Pacific. This injector is designed to restore optimal fuel delivery, engine performance, and fuel efficiency, making it an ideal solution for fleet maintenance and engine overhaul operations worldwide.

Key Features & Benefits

• Premium Remanufactured Quality: Each unit undergoes a complete remanufacturing process, including cleaning, testing, and replacement of critical wear components to meet or exceed original performance specifications.
• Precision Engineering: Manufactured with high-grade stainless steel components for superior corrosion resistance and long-term durability under high-pressure common rail systems.
• Guaranteed Fit & Function: Direct OEM replacement ensures perfect fitment and seamless integration into the 3126 engine’s fuel system without modifications.
• Enhanced Performance: Delivers precise fuel atomization for cleaner combustion, improved horsepower, reduced emissions, and better fuel economy.
• Cost-Effective Solution: Provides the reliability of a new injector at a fraction of the cost, maximizing your maintenance budget and equipment uptime.

Technical Specifications

OEM Cross-Reference

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

• Caterpillar: 155-1819, 1551819

Note: Always verify part number compatibility with your specific engine serial number before purchase.

Compatibility

This Common Rail Fuel Injector is designed specifically for the Caterpillar 3126 diesel engine. The Cat 3126 engine is widely used in a range of medium-duty applications, including:

• Commercial Trucks & Buses
• Construction Equipment (e.g., loaders, excavators)
• Industrial & Generator Sets
• Marine Applications

Global Supply & Distribution

We are a professional B2B exporter with extensive experience in international logistics and trade compliance. We ensure smooth, reliable delivery to key global markets:

• Worldwide Shipping: We ship to all major destinations via air freight and sea freight.
• Major Markets Served: We regularly supply distributors and workshops in North America (USA, Canada, Mexico), Europe (Germany, UK, Poland, Netherlands), the Middle East (UAE, Saudi Arabia), Asia-Pacific (Australia, Singapore, Japan), and South America.
• Fast Delivery to Hubs: Efficient logistics to major ports and industrial centers like Rotterdam, Los Angeles, Dubai, and Sydney.
• Export-Ready Packaging: All products are packed in secure, neutral export packaging with clear labeling for customs clearance.

Quality Assurance

Our commitment to quality ensures you receive a reliable, performance-grade component:

• Rigorous Remanufacturing Process: Each injector is disassembled, cleaned, inspected, fitted with new seals and critical components as needed, and reassembled to precise tolerances.
• Performance Testing: Every unit is bench-tested for flow rate, leak-down, and spray pattern to guarantee it meets strict operational standards.
• Warranty Backed: This product is covered by a 3-month warranty against manufacturing defects, providing peace of mind for your investment.

FAQ

Q1: Is this injector a direct fit for my Caterpillar 3126 engine?
A1: Yes. This injector (155-1819 / 1551819) is manufactured to the exact OEM specifications of the original Caterpillar part, ensuring a direct bolt-on replacement without the need for modifications. Always confirm your engine’s specific serial number for final verification.

Q2: What is the difference between “remanufactured” and “new”?
A2: A remanufactured injector is a used OEM core that has been completely rebuilt to like-new condition. Our process replaces all wear items (seals, valves, springs) and includes comprehensive testing. It offers OEM-level performance and reliability at a significantly lower cost than a brand-new OEM part.

Q3: Do you provide technical support for installation?
A3: While we recommend installation by a qualified diesel technician, we can provide general installation guidelines and specifications. For complex diagnostics or installation procedures, consulting the official Caterpillar service manual is always advised.

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 .