Product Overview

This high-quality 3500 Series Common Rail Injector Repair Kit Sealing Ring (Part Number: 6404003-3500) is designed for precision replacement and repair of fuel injection systems in diesel engines. Manufactured in Shandong, China, this component is engineered to meet or exceed OEM standards. We provide global shipping to major industrial hubs in North America, Europe, Asia-Pacific, and the Middle East, ensuring fast and reliable delivery for B2B clients worldwide.

Key Features & Benefits

• Premium Stainless Steel Construction: Ensures exceptional durability and corrosion resistance for long-lasting performance in high-pressure fuel systems.
• Precision Engineering: Manufactured to strict tolerances for a perfect seal, preventing fuel leaks and maintaining optimal injector performance.
• Direct OEM Replacement: Designed to replace original part number 6404003-3500, ensuring seamless fitment and function.
• Enhanced Fuel Efficiency: A reliable seal helps maintain proper fuel pressure, contributing to better combustion and reduced fuel consumption.
• Professional Service Support: Backed by a dedicated team ready to assist with technical inquiries and order management.

Technical Specifications

OEM Cross-Reference

This sealing ring is a direct replacement for the following OEM part number:

• 6404003-3500 (Cummins / 3500 Series)

Note: For alternative cross-references, please contact our technical support team with your specific engine model.

Compatibility

• Engine Series: 3500 Series Diesel Engines
• System: Common Rail Fuel Injection System
• Application: Industrial, marine, and heavy-duty diesel engines requiring injector service

Global Supply & Distribution

We offer worldwide shipping solutions tailored to B2B clients. Our logistics network ensures fast delivery to major ports and industrial centers, including:

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

We maintain extensive export experience and comply with all international trade regulations to ensure smooth customs clearance for your orders.

Quality Assurance

• Manufacturing Standards: Produced in ISO-compliant facilities with rigorous quality control processes.
• Testing: Each batch undergoes dimensional and material testing to ensure consistent high quality.
• Warranty: Backed by a 4-month warranty against manufacturing defects.
• Certification: Parts are traceable to ensure authenticity and performance reliability.

FAQ

Q1: Is this sealing ring compatible with all 3500 Series engines?
A1: This part (6404003-3500) is specifically designed for the 3500 Series common rail injector repair kit. It is a sealing ring component used within the injector assembly. We recommend verifying your existing part number or consulting your engine’s service manual to confirm fitment for your specific engine variant.

Q2: What is the recommended installation procedure for this sealing ring?
A2: Installation should be performed by a qualified diesel technician. Ensure the injector mating surfaces are clean and free of debris. Lubricate the sealing ring lightly with clean diesel fuel or assembly lubricant before installation. Do not reuse old sealing rings. Tighten the injector retaining nut to the manufacturer’s specified torque to avoid damage or leaks.

Q3: How should I store unused sealing rings?
A3: Store the sealing rings in a cool, dry place away from direct sunlight and extreme temperatures. Keep them in their original packaging to prevent contamination or deformation. Proper storage ensures the elastomeric properties are maintained for future use.