Product Overview

The DLLA158SN638 Diesel Fuel Injector Nozzle (OEM Reference: 105015-6380) is a precision-engineered replacement component designed for diesel engine fuel injection systems. Manufactured to meet or exceed original equipment specifications, this nozzle tip ensures optimal fuel atomization, efficient combustion, and reliable engine performance.

We supply this high-quality injector nozzle to wholesale distributors, repair workshops, and fleet maintenance centers across North America, Europe, Asia-Pacific, the Middle East, and South America. With established logistics networks and export expertise, we ensure fast and reliable delivery to major industrial hubs and ports worldwide.

Key Features & Benefits

• Precision Manufacturing: Produced with high-grade alloy steel and advanced machining tolerances for exact fit and function.
• Superior Atomization: Optimized spray pattern ensures complete fuel combustion, reducing emissions and fuel consumption.
• Durability: Heat-treated and surface-coated to withstand high-pressure and high-temperature diesel engine environments.
• OEM Compatibility: Direct replacement for original part number 105015-6380, ensuring seamless installation.
• Cost-Effective: High-quality alternative to OEM parts at a competitive wholesale price.
• Quality Assured: Each unit is tested for flow rate, spray pattern, and leakage before packaging.

Technical Specifications

OEM Cross-Reference

This nozzle is compatible with the following OEM part numbers and alternative references:

• 105015-6380 (Primary OEM Reference)
• DLLA158SN638 (Standard Part Number)
• DLLA 158 SN 638 (Alternative Format)

Please verify your existing part number before ordering to ensure correct fitment.

Compatibility

This injector nozzle is designed for use in various diesel engines that require the DLLA158SN638 / 105015-6380 specification. Common applications include:

• Diesel engines in industrial machinery, generators, and commercial vehicles
• Engines utilizing common rail fuel injection systems
• Compatible with injector assemblies referencing the above OEM numbers

Note: Always cross-check your engine model and injector part number with our specifications. If you are unsure about compatibility, please contact our technical support with your engine serial number.

Global Supply & Distribution

We are a trusted global supplier of diesel engine parts, serving B2B customers in over 50 countries. Our distribution network covers:

• North America: USA, Canada, Mexico
• Europe: Germany, UK, France, Italy, Spain, Netherlands, Poland
• Asia-Pacific: Australia, Japan, South Korea, India, Southeast Asia
• Middle East: UAE, Saudi Arabia, Turkey, Iran, Iraq
• South America: Brazil, Chile, Peru, Colombia
• Africa: South Africa, Nigeria, Kenya, Egypt

We ship via express air freight (DHL, FedEx, UPS) and sea freight to major ports. Orders are processed within 1-3 business days, with delivery times varying by destination. We handle all export documentation and comply with international trade regulations.

Quality Assurance

Our diesel injector nozzles are manufactured under strict quality control procedures:

• ISO 9001:2015 Certified manufacturing facilities
• 100% Testing: Each nozzle undergoes flow rate, spray pattern, and pressure tests
• Material Traceability: All raw materials are sourced from certified suppliers
• Warranty: 6-month warranty against manufacturing defects
• Packaging: Individually packed in protective anti-rust packaging for safe transport

FAQ

Q1: How do I confirm this nozzle fits my engine?
A: Check your existing injector or nozzle part number. It should match DLLA158SN638 or 105015-6380. If you have the engine model and serial number, our technical team can verify compatibility for you.

Q2: What is the installation procedure for this nozzle?
A: Installation should be performed by a qualified diesel mechanic. The nozzle must be installed with correct torque specifications and clean fuel system components. Always replace copper washers and seals during installation to prevent leakage.

Q3: How often should diesel injector nozzles be replaced?
A: Replacement intervals depend on fuel quality and operating conditions. Generally, nozzles should be inspected every 1,000-1,500 hours or if you notice symptoms like rough idling, power loss, excessive smoke, or increased fuel consumption. Regular maintenance ensures optimal engine performance.