Product Overview

This high-quality diesel fuel injector nozzle assembly, available in models DN4PD1, DN4PD2, and DN4PD3, is engineered for precision fuel delivery in modern common rail injection systems. Designed as a direct replacement for repair or maintenance, this component ensures optimal engine performance and fuel efficiency. We serve a global B2B clientele, with major markets in North America, Europe, Southeast Asia, and the Middle East, ensuring reliable supply chains for distributors and workshops worldwide.

Key Features & Benefits

• Precision Engineering: Manufactured to exacting OEM specifications for a perfect fit and reliable operation in car engines.
• Durable Construction: Made from high-grade metal alloys to withstand extreme pressures and temperatures within the combustion chamber.
• Enhanced Fuel Atomization: Optimized spray pattern ensures complete fuel combustion, leading to improved power output and reduced emissions.
• Long Service Life: Designed for durability, reducing the frequency of replacements and downtime for your fleet or workshop.
• Rigorous Testing: Each nozzle assembly undergoes strict quality control checks to guarantee performance and reliability upon installation.

Technical Specifications

OEM Cross-Reference

This fuel injector nozzle assembly is a direct replacement for the following OEM numbers:

• DN4PD1
• DN4PD2
• DN4PD3

Please verify your existing part number matches one of the above before purchasing. For alternative or superseded part numbers, please contact our sales team.

Compatibility

• Engine Type: Common Rail Diesel Engines
• Vehicle Application: Universal fit for various car engine models utilizing DN4PD series nozzles.
• System: Fuel Injection System

Note: While this is a universal component, we recommend confirming fitment with your specific engine model or consulting a professional mechanic.

Global Supply & Distribution

We offer efficient worldwide shipping to meet the demands of international B2B buyers. Our logistics network ensures fast and reliable delivery to major ports and industrial centers globally.

• Shipping Partners: DHL, TNT, UPS, EMS, FEDEX
• Major Markets Served: North America, Europe, Asia-Pacific, Middle East, South America, and Africa.
• Delivery Time: 3-7 working days for in-stock items.
• Export Experience: We specialize in cross-border trade, handling all necessary documentation for smooth customs clearance. Our team is experienced in international trade compliance.

Quality Assurance

• Manufacturing Standards: Produced in ISO-certified facilities with strict quality control systems.
• Warranty: 6-month warranty against manufacturing defects.
• Testing: Each batch is tested for flow rate, spray pattern, and pressure integrity to ensure 100% functionality.
• Service: 24-hour customer service to assist with technical inquiries and order support.

FAQ

Q: How can I confirm if the DN4PD1, DN4PD2, or DN4PD3 nozzle is the correct part for my engine?
A: You should first locate the part number on your existing injector nozzle. It is usually stamped on the side or top. Compare this number directly to our listing (DN4PD1, DN4PD2, DN4PD3). If the numbers match, it is the correct replacement. If you are unsure, contact our support team with your engine model and vehicle identification number (VIN) for verification.

Q: What is the recommended installation procedure for this common rail injector nozzle?
A: Installation should be performed by a qualified diesel technician. Key steps include: 1) Thoroughly cleaning the injector bore in the cylinder head. 2) Replacing the copper washer or sealing ring. 3) Tightening the injector retaining bolt or clamp to the manufacturer’s specified torque. 4) Using new high-pressure fuel lines and banjo bolt washers to prevent leaks. Improper installation can lead to performance issues or damage.

Q: How can I maximize the lifespan of these DN4PD series injector nozzles?
A: The lifespan is heavily dependent on fuel quality. Always use clean, high-quality diesel fuel and replace your fuel filter regularly according to your vehicle’s maintenance schedule. Avoid running the vehicle on a low fuel tank, which can draw sediment into the system. Additionally, periodic inspection and cleaning by a professional can help maintain optimal spray patterns and extend the nozzle’s service life.