Product Overview

This high-precision Diesel Fuel Injector Nozzle DLLA157SND250 (OEM: 093400-2500) is engineered for optimal fuel atomization in heavy-duty diesel engines, including those powering excavators and industrial machinery. Manufactured to strict OE specifications, this nozzle assembly ensures efficient combustion, reduced fuel consumption, and lower emissions. We ship globally to major markets including North America, Europe, Southeast Asia, and the Middle East, providing fast and reliable logistics to support your operations.

Key Features & Benefits

• Superior Fuel Atomization: Precision-machined orifice design ensures a fine fuel spray pattern for complete combustion and maximum engine power.
• Enhanced Durability: Constructed from High-Speed Steel to withstand extreme pressures and temperatures, ensuring a long service life.
• Direct OE Replacement: Exact fitment for Bosch-style systems, eliminating the need for modifications and reducing installation time.
• Stringent Quality Control: Each nozzle undergoes rigorous flow and pressure testing to guarantee consistent performance and reliability.
• Cost-Effective Solution: A premium alternative to OEM parts, offering the same performance at a competitive price point with a 6-month warranty.

Technical Specifications

OEM Cross-Reference

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

• Bosch: 093400-2500
• DLLA: 157SND250
• Alternative Part Numbers: 0934002500, 0 934 002 500

Compatibility

This fuel injector nozzle is designed for use in a wide range of diesel engines, particularly those used in construction and agricultural machinery. Common applications include:

• Engine Models: Suitable for engines requiring Bosch-style DLLA injector nozzles with the 157SND250 specification.
• Vehicle Applications: Excavators, bulldozers, loaders, trucks, and other heavy equipment.
• System Compatibility: Designed for use in common rail and traditional diesel injection systems.

Please verify your engine’s injector specifications to confirm compatibility before purchase.

Global Supply & Distribution

We are a dedicated supplier of diesel engine components with a robust global logistics network. Our services include:

• Worldwide Shipping: We partner with major carriers including DHL, TNT, UPS, EMS, and FEDEX to ensure fast and secure delivery.
• Major Markets Served: We export extensively to North America, Europe, Asia-Pacific, the Middle East, Africa, and South America.
• Fast Delivery: Standard dispatch time is 3-7 days from our warehouse in Shandong, China. We offer expedited shipping to major ports and industrial centers.
• Trade Compliance: We ensure all shipments comply with international trade regulations, including proper documentation for customs clearance.

Quality Assurance

• Manufacturing Standards: Our products are manufactured in ISO-certified facilities, adhering to strict quality control processes.
• Testing: Every nozzle is tested for flow rate, spray pattern, and pressure tightness to ensure it meets OE performance standards.
• Warranty: We offer a 6-month warranty against manufacturing defects, providing you with peace of mind and investment protection.

FAQ

Q1: How do I verify that the DLLA157SND250 nozzle is compatible with my engine’s injector?
A: You should first locate the part number on your existing injector nozzle. If it matches DLLA157SND250 or the OEM number 093400-2500, it is a direct fit. If the numbers differ, please contact our support team with your engine model and injector specifications for cross-referencing.

Q2: What are the critical steps for installing a new injector nozzle?
A: Proper installation is crucial for performance and safety. Key steps include: 1) Thoroughly clean the injector body and mounting bore. 2) Replace the nozzle sealing washer with a new one. 3) Tighten the nozzle retaining nut to the manufacturer’s specified torque using a torque wrench to avoid distortion. 4) After installation, bleed the fuel system to remove any air pockets before starting the engine.

Q3: How can I maximize the service life of this injector nozzle?
A: To extend nozzle life, always use clean, high-quality diesel fuel. Regularly replace your fuel filters at the recommended intervals. Avoid running the engine on low fuel, which can draw debris from the tank bottom. If you notice symptoms like hard starting, excessive smoke, or rough idling, have the injectors inspected by a professional.