Product Overview

This high-quality common rail fuel injector is a direct replacement for Cummins ISM11, M11, and QSM11 diesel engines. Manufactured from premium steel and subjected to 100% professional testing, this injector (part numbers 3411821 & 3406604) ensures precise fuel delivery and optimal engine performance. As a leading supplier from Shandong, China, we offer global shipping solutions to major industrial markets including North America, Europe, Southeast Asia, and the Middle East, ensuring fast and reliable delivery for your B2B operations.

Key Features & Benefits

• Precision Engineering: Machined to OE specifications for a perfect fit and seamless integration with your existing fuel system.
• Enhanced Durability: Constructed from high-grade steel to withstand extreme pressures and temperatures, ensuring a long service life.
• Optimized Fuel Economy: Delivers precise fuel atomization, reducing consumption and lowering operational costs.
• 100% Tested Quality: Every unit undergoes rigorous professional testing to guarantee reliable performance out of the box.
• Reduced Emissions: Promotes cleaner combustion, helping to meet environmental compliance standards.

Technical Specifications

OEM Cross-Reference

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

• OEM Number 1: 3411821
• OEM Number 2: 3406604

These numbers correspond to standard injectors used in the Cummins ISM, M, and QSM engine series. Please verify your engine’s specific requirements before ordering.

Compatibility

• Engine Models: Cummins ISM11, M11, QSM11
• Vehicle Applications: Heavy-duty trucks, construction equipment, industrial machinery, and marine applications utilizing these engine platforms.
• Note: While these injectors are a common fitment, always cross-reference your existing part number to ensure compatibility.

Global Supply & Distribution

We specialize in the international B2B supply of diesel engine components. Our logistics network supports efficient worldwide shipping to major ports and industrial hubs, including:

• North America: Los Angeles, Houston, New York, Toronto
• Europe: Rotterdam, Hamburg, Antwerp, Felixstowe
• Asia-Pacific: Singapore, Shanghai, Tokyo, Sydney
• Middle East & Africa: Dubai, Jeddah, Durban

With a standard delivery time of 1-7 days and flexible shipping options (Express, Air, Sea), we ensure your supply chain remains uninterrupted.

Quality Assurance

• Manufacturing Standards: Produced in ISO-certified facilities using advanced CNC machinery.
• Testing: Each injector is 100% professionally tested for flow rate, spray pattern, and pressure integrity before shipping.
• Warranty: Backed by a comprehensive 6-month warranty against manufacturing defects, providing peace of mind for your business.

FAQ

Q1: Is this injector a direct bolt-on replacement for my Cummins QSM11 engine?
A: Yes, part numbers 3411821 and 3406604 are standard OE replacements for the Cummins QSM11, M11, and ISM11 common rail systems. It is designed to be a direct bolt-on replacement, requiring no modifications to the fuel rail or cylinder head.

Q2: What is the recommended installation procedure for this injector?
A: Installation should be performed by a qualified technician. Key steps include: carefully cleaning the injector bore, replacing the copper washer and O-rings, lubricating the threads, and tightening the hold-down clamp to the manufacturer’s specified torque. It is also recommended to replace the fuel return line and seals during installation to prevent leaks.

Q3: How can I ensure the longevity of this injector?
A: Longevity is best ensured by using high-quality diesel fuel, regularly replacing the fuel filter, and maintaining the fuel system’s cleanliness. Avoid running the engine on low fuel, which can introduce air and debris into the system. Adhering to the engine’s standard maintenance schedule for injector servicing is also critical.