Product Overview

This high-quality Diesel Fuel Injector Nozzle (Model: DLLA153SN7131 / 105101-5590) is a precision-engineered replacement part designed for optimal performance in diesel fuel injection systems. Manufactured to meet or exceed OEM specifications, this injector nozzle ensures reliable fuel atomization, improved combustion efficiency, and reduced emissions. We serve a global network of B2B clients, including major markets in North America, Europe, Asia-Pacific, and the Middle East, ensuring fast and reliable shipping from our distribution hub in Shandong, China.

Key Features & Benefits

• Precision Engineering: Manufactured with high-grade steel for exceptional durability and resistance to wear, ensuring a long service life even under high-pressure conditions.
• Optimized Fuel Atomization: The DLLA153SN7131 design provides precise spray patterns for complete fuel combustion, leading to increased engine power and lower fuel consumption.
• Direct OEM Replacement: A perfect drop-in replacement for the original 105101-5590 injector nozzle, requiring no modifications for installation.
• Rigorous Quality Control: Every unit is tested for flow rate, spray pattern, and sealing integrity to guarantee consistent performance and reliability.
• Cost-Effective Solution: Offers a high-quality alternative to expensive dealer parts without compromising on performance or longevity.

Technical Specifications

OEM Cross-Reference

This injector nozzle is a direct replacement for the following OEM and reference numbers:

• Main OEM Number: 105101-5590
• Alternative Number: 1051015590
• Nozzle Code: DLLA153SN7131

Compatibility

This injector nozzle is designed for use in a wide range of diesel engines. While it is a universal fitment for many diesel injection systems, it is commonly used in:

• Engine Types: Various diesel engines requiring DLLA153SN7131 or 105101-5590 style nozzles.
• Vehicle Applications: Suitable for diesel engine cars, light trucks, and industrial equipment utilizing compatible fuel injection systems.
• Note: Please verify your existing part number (105101-5590 or DLLA153SN7131) to ensure exact compatibility before purchase.

Global Supply & Distribution

As a leading B2B supplier, we offer comprehensive logistics solutions to meet the demands of international buyers:

• Worldwide Shipping: We ship to all major global markets, including North America, Europe, Asia-Pacific, South America, and the Middle East.
• Fast Delivery: Efficient processing and dispatch to major ports and industrial centers (e.g., Shanghai, Qingdao, Rotterdam, Los Angeles, Dubai).
• Export Experience: Our team is experienced in international trade, ensuring proper documentation and compliance with customs regulations.
• Flexible Quantities: Competitive pricing for bulk orders with a low MOQ of 48 pieces.

Quality Assurance

We are committed to delivering only the highest quality products to our B2B partners:

• Manufacturing Standards: Produced in a state-of-the-art facility in Shandong, China, with strict adherence to quality control protocols.
• Testing: Each nozzle undergoes rigorous testing for spray pattern, flow rate, and pressure integrity before shipment.
• Warranty: All products are backed by a 4-month warranty against manufacturing defects.
• Certification: Our manufacturing processes comply with international quality standards to ensure consistent, reliable performance.

FAQ

Q1: Is this injector nozzle a direct replacement for my original part?
A: Yes, this nozzle (DLLA153SN7131 / 105101-5590) is designed as a direct OEM replacement. It matches the original dimensions, spray angle, and flow characteristics. We recommend checking your existing part number against ours to confirm fitment before ordering.

Q2: What is the recommended installation procedure?
A: Installation should be performed by a qualified diesel mechanic. The area around the injector must be cleaned thoroughly before removal to prevent contamination. Use a torque wrench to tighten the nozzle retaining nut to the manufacturer’s specifications. After installation, check for leaks and ensure the engine runs smoothly.

Q3: How can I ensure the longevity of this injector nozzle?
A: To maximize service life, use high-quality, clean diesel fuel and replace your fuel filters regularly. Avoid running the engine with contaminated fuel or water in the system. Proper installation and periodic inspection of the fuel injection system will also help prevent premature wear of the nozzle.