Product Overview

This is a 100% brand-new, high-quality diesel fuel injector nozzle tip, specifically designed for precision fuel delivery in various diesel engines. Manufactured to ISO 9001:2000 and TS16949 standards, this replacement part ensures optimal engine performance and fuel efficiency. We offer global shipping via DHL, UPS, FEDEX, EMS, and TNT, serving major markets across North America, Europe, Asia-Pacific, the Middle East, and South America. With a minimum order quantity of just 12 pieces, we cater to both small workshops and large-scale industrial clients.

Key Features & Benefits

• Precision Engineering: Manufactured from high-speed steel for exceptional durability and resistance to wear, ensuring a long service life even under high-pressure conditions.
• Enhanced Fuel Atomization: The nozzle tip (DLLA137S374N417) is designed for precise fuel injection, improving combustion efficiency, reducing emissions, and maximizing engine power output.
• Direct Replacement: A perfect drop-in replacement for your existing injector nozzle, minimizing downtime and simplifying the repair process.
• Rigorous Quality Control: Each nozzle is tested to meet strict OEM specifications, ensuring reliable performance and consistent fuel delivery.
• Reliable Supply Chain: With a 3-7 day delivery time and stock available in Shandong, China, we ensure fast and reliable order fulfillment.

Technical Specifications

OEM Cross-Reference

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

• Main Part Number: DLLA137S374N417
• Alternate Number: H105015417

Note: This is a specific nozzle tip design. Please verify the “DLLA137S374N417” marking on your original part to confirm compatibility before purchase.

Compatibility

This fuel injector nozzle is designed for use in a wide range of diesel engines, typically found in:

• Agricultural Tractors & Combine Harvesters
• Construction Equipment (Excavators, Loaders, Bulldozers)
• Industrial Generator Sets
• Medium & Heavy-Duty Trucks

Engine Applications: Compatible with various engine brands utilizing the 417 series nozzle design. Please cross-reference your engine’s injector part number with our DLLA137S374N417 to ensure a perfect fit.

Global Supply & Distribution

We are a leading supplier of diesel engine components based in Shandong, China, with a robust logistics network capable of delivering to any global destination.

• Shipping Partners: DHL, UPS, FEDEX, EMS, TNT for fast and trackable shipping.
• Major Markets: North America (USA, Canada, Mexico), Europe (Germany, UK, France, Italy), Asia-Pacific (Japan, Korea, Australia), Middle East (UAE, Saudi Arabia), and South America (Brazil, Argentina).
• Delivery Hubs: We ensure efficient delivery to major ports and industrial centers, including Los Angeles, Rotterdam, Shanghai, Dubai, and Singapore.
• Export Experience: Our team is experienced in international trade, handling customs documentation and ensuring compliance with local regulations.

Quality Assurance

We are committed to providing only the highest quality products. Our manufacturing process adheres to strict international standards.

• Certifications: ISO 9001:2000 and TS16949 certified manufacturing processes.
• Material Integrity: All nozzles are made from premium high-speed steel to withstand extreme pressure and temperature.
• Testing: Each batch undergoes rigorous testing for flow rate, spray pattern, and pressure tolerance to ensure 100% performance.
• Warranty: We offer a 6-month warranty against manufacturing defects, giving you peace of mind with your purchase.

FAQ

Q1: Is this nozzle a direct fit for my engine, or do I need an adapter?
A: This is a direct replacement nozzle tip. It is designed to fit standard injector bodies that use the DLLA137S374N417 specification. No adapter is required. However, we strongly recommend removing your old nozzle and visually comparing the tip length, diameter, and the number of spray holes (typically 4 or 5) with our product image to ensure a perfect match before ordering.

Q2: What is the recommended installation procedure for this nozzle?
A: Installation should be performed by a qualified diesel mechanic. Key steps include: 1) Thoroughly clean the injector body and mounting area to prevent contamination. 2) Carefully remove the old nozzle tip. 3) Install the new DLLA137S374N417 tip, ensuring it is seated correctly. 4) Torque the retaining nut to the manufacturer’s specified setting (typically 70-90 Nm, but verify with your engine manual). 5) After installation, check for leaks and test the injector spray pattern before putting the engine under load.

Q3: How can I maximize the lifespan of this injector nozzle?
A: The lifespan of a fuel injector nozzle is heavily dependent on fuel quality and maintenance. To maximize its life: 1) Always use clean, high-quality diesel fuel from a reputable source. 2) Replace your fuel filter at regularly scheduled intervals. 3) Avoid running the engine on low fuel, which can draw sediment from the bottom of the tank. 4) If the engine shows signs of misfiring, rough idling, or excessive smoke, have the injectors inspected and cleaned promptly to prevent damage to the new nozzle.