Product Overview

This is a high-performance NP-DLLA149SM304 diesel fuel injector nozzle, a critical component for ensuring precise fuel delivery and optimal engine combustion. We supply this part globally to major industrial and automotive markets, including North America, Europe, Asia-Pacific, and the Middle East, supporting the maintenance and repair of heavy-duty diesel engines worldwide.

Key Features & Benefits

• Precision Engineering: Manufactured to exacting tolerances for consistent spray pattern and fuel atomization, leading to improved combustion efficiency.
• Enhanced Durability: Constructed from high-grade materials to withstand extreme pressures and temperatures, ensuring long service life and reliability.
• Optimal Engine Performance: Directly contributes to stable engine idle, smooth acceleration, reduced fuel consumption, and lower emissions.
• Rigorous Quality Control: Each nozzle undergoes stringent testing to verify flow rate, leak-off, and spray characteristics before shipment.
• Global Compatibility: Designed as a direct replacement for a wide range of industrial and commercial diesel engines, simplifying international sourcing.

Technical Specifications

OEM Cross-Reference

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

• 105025-3040 (Primary Reference)
• 1050253040 (Alternative Format)

Note: The NP-DLLA149SM304 designation is the industry-standard nozzle type code, which is essential for correct technical identification and cross-referencing.

Compatibility

This diesel injector nozzle is compatible with various diesel engine models that utilize the NP-DLLA149SM304 nozzle type. It is commonly found in:

• Industrial generator sets and pump engines.
• Heavy-duty commercial vehicles and construction equipment.
• Marine and agricultural diesel engines.

Important: Always verify the specific engine model and existing nozzle code (DLLA149SM304) before purchase to ensure correct fitment. Compatibility can span multiple decades of engine production due to the standardized design of this nozzle type.

Global Supply & Distribution

We are a trusted global supplier for diesel engine components, facilitating seamless B2B transactions across borders.

• Worldwide Shipping: We export to all major markets, including North America (USA, Canada, Mexico), the European Union, the United Kingdom, Australia, Southeast Asia, the Middle East, and South America.
• Efficient Logistics: Fast and reliable delivery to major international ports and industrial hubs via air and sea freight. We work with established carriers to ensure timely delivery.
• Export Expertise: All documentation, including commercial invoices, packing lists, and certificates of origin, is prepared in full compliance with international trade regulations for smooth customs clearance.
• Bulk & Wholesale: We specialize in supplying wholesale quantities to workshops, distributors, and fleet operators, offering competitive FOB and CIF terms.

Quality Assurance

Our commitment to quality ensures you receive reliable parts that meet professional standards.

• Manufacturing Standards: Produced using advanced CNC machinery and heat treatment processes to meet or exceed original performance specifications.
• Comprehensive Testing: Every nozzle is tested for critical parameters: opening pressure, seat tightness (leak-off), and spray pattern uniformity to guarantee proper function.
• Warranty: Backed by a standard warranty against manufacturing defects. Please contact us for specific warranty terms applicable to your region and order volume.

FAQ

Q1: How do I confirm this nozzle is the correct replacement for my engine?
A1: The most reliable method is to match the part number stamped on your old nozzle. This part directly replaces nozzles marked 105025-3040, 1050253040, or of the type DLLA149SM304. Consult your engine service manual or contact us with your engine model for verification.

Q2: Does this nozzle come calibrated and ready to install?
A2> Yes. Each nozzle is individually tested and set to its specified opening pressure. It is supplied as a single component, ready for installation into a compatible fuel injector body by a qualified technician. Professional calibration of the complete injector assembly is recommended after installation.

Q3: What are the signs that my diesel injector nozzle needs replacement?
A3: Common symptoms include hard starting, rough idle, excessive black or white smoke, loss of engine power, increased fuel consumption, and misfiring. These issues often indicate worn nozzle tips causing poor fuel atomization or leakage.

Our advantages

1.An authorized wholesaler of Isuzu genuine parts, Hino genuine parts, Mitsubishi genuine parts and Mahle parts.

2. We are not only supply genuine parts, but also high quality OEM parts, which are made in China or made in Japan.

3. More than 10 years of experience in machinery parts, professional supply of diesel engine parts.

4. Fast delivery, the fastest can be shipped in one day ,more than 500,000 of different types parts in stock.

5. Scientific ERP system, easy and fast to locate the parts that customer needs.

6. Professional technician checks the parts before delivery, to make sure the parts are correct, usable and defect-free.

Exhibition

Packing&Shipping

1.  Our shipment is by air/sea/express (DHL/FEDEX/TNT/UPS/EMS).

2.  Once we get confirmation of payment, we will ship products in 2 days.

3.  Our packaging is standard export wooden box or others as your requirement.

4. We’ll check and test the products before shipping , and givethe pictures to our customers to confirm.

FAQ

Q1. What is your company major products?

A: Our main products are Liner kit, Piston, Rings, Liner, Gasket kit, Bearing, Injection pump, Nozzle, Water pump, Oil pump,Crankshaft, Turbocharger,Filter, etc.

Q2.What is the MOQ?

A: Normally we can supply any quantity if we have in stock.

Q3. What is your payment term ?

A: We accept Western Union, T/T, Paypal.

Q4. What is the packing ?

A: Carton or wooden case , If you want to put your logo on the packing , We will do it after get your authorization letter.

Q5. When can you deliver products after payment ?

A: By Express ,usually might take 3-4 days ;By Air , Usually take 7-9 days ; By Sea ,usually take 1-2 months .

Q6. What can you do to complete order perfectly ?

A: In the beginning , We will communicate with clients in details to understand what they need .

Before packing , We will check the products and send photos to clients .After confirmation ,

We will packing products well to avoid damage . Once we get tracking number ,

We will send it to customer and keep contact in with clients .