Product Overview

This high-quality, remanufactured common rail fuel injector (Part No. 456-3549) is engineered for Caterpillar C9.3 diesel engines. Designed as a direct replacement for worn or faulty injectors, it restores optimal fuel delivery, combustion efficiency, and engine performance. We supply this critical component to a global network of heavy equipment repair shops, fleet operators, and parts distributors, ensuring reliable operation for excavators, loaders, and other industrial machinery worldwide.

Key Features & Benefits

• Precision Remanufacturing: Each injector undergoes a complete overhaul process, including cleaning, testing, and replacement of all wear components to meet or exceed original performance specifications.
• Durable Construction: Manufactured with high-grade stainless steel for superior corrosion resistance and longevity under extreme operating conditions.
• Optimal Fuel Atomization: Ensures precise fuel delivery and fine spray pattern for complete combustion, maximizing engine power and reducing emissions.
• Direct OEM Replacement: Designed as a plug-and-play component, ensuring perfect fitment and seamless integration with the C9.3 engine’s fuel system without modifications.
• Cost-Effective Solution: Provides the reliability of a new injector at a fraction of the cost, reducing downtime and total cost of ownership for your equipment.

Technical Specifications

OEM Cross-Reference

This injector is a direct replacement for the following OEM part numbers:

• Caterpillar: 456-3549, 4563549

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

Compatibility

This fuel injector is designed for use in Caterpillar C9.3 diesel engines. These engines are commonly found in a wide range of heavy machinery, including:

• Caterpillar Excavators (e.g., 330D, 336D)
• Caterpillar Wheel Loaders
• Caterpillar Bulldozers
• Caterpillar Skidders
• Various industrial and generator set applications

Compatibility spans equipment manufactured in the 2000s and 2010s utilizing the C9.3 platform. Consult your equipment service manual for exact model-year applicability.

Global Supply & Distribution

We are a leading supplier of heavy-duty engine components with extensive export experience. Our logistics network ensures efficient delivery to key industrial regions worldwide.

• Worldwide Shipping: We ship via air and sea freight to all major global markets.
• Key Markets Served: North America (USA, Canada), Europe (UK, Germany, Netherlands), Asia-Pacific (Australia, Japan, Southeast Asia), the Middle East (UAE, Saudi Arabia), and South America.
• Fast Delivery: Consolidated shipments to major ports like Los Angeles, Rotterdam, Singapore, and Jebel Ali, with reliable inland forwarding options.
• Trade Compliance: All documentation (Commercial Invoice, Packing List, Certificate of Origin) is provided to ensure smooth customs clearance internationally.

Quality Assurance

Every injector is built to deliver reliable performance and is backed by our commitment to quality.

• Rigorous Testing: Each unit is bench-tested for flow rate, leak-down, and spray pattern to ensure it meets strict performance criteria.
• Remanufacturing Standards: The rebuild process follows industry-best practices, replacing seals, filters, and other consumables with high-quality components.
• Warranty: This product is covered by a 3-month warranty against manufacturing defects, providing peace of mind for your investment.

FAQ

Q: Is this injector a direct fit for my Caterpillar C9.3 engine?
A: Yes. This remanufactured injector (456-3549) is designed as a direct OEM replacement. For optimal results, we recommend replacing injectors in sets and having the new injector codes programmed into the engine’s ECU by a qualified technician.

Q: What is the difference between ‘remanufactured’ and ‘new’?
A: A remanufactured injector is a genuine OEM core that has been completely disassembled, cleaned, inspected, and rebuilt with new internal wear parts to original specifications. It offers performance equal to new at a significantly lower cost and is an environmentally sustainable choice.

Q: Do you provide technical support for installation?
A: While we supply the component, installation should be performed by a certified diesel mechanic. Proper installation is critical and includes torque specifications, seal replacement, and system priming. We can provide general guidance, but specific procedures should be followed as per the Caterpillar service manual.