Product Overview

This high-quality Denso Common Rail Fuel Injector Nozzle, identified by part numbers 0433171948 (OEM: 0 433 171 948) and DLLA154P1538, is a critical component designed for precision fuel injection in diesel engines powering heavy machinery. As a specialized B2B supplier, we provide this essential part for the global aftermarket, ensuring reliable performance for excavators, bulldozers, and other construction equipment. We serve a wide network of clients across North America, Europe, the Middle East, and Asia-Pacific, offering competitive wholesale pricing and efficient logistics to major industrial hubs.

Key Features & Benefits

• Precision Engineering: Manufactured to exacting OEM specifications for optimal fuel atomization, ensuring complete combustion and maximum engine power output.
• Superior Durability: Constructed from high-grade, hardened steel to withstand extreme pressures and temperatures within the common rail system, significantly extending service life compared to generic alternatives.
• Enhanced Fuel Efficiency: The precise spray pattern reduces fuel consumption and minimizes exhaust emissions, helping you meet stringent environmental regulations and lower operational costs.
• Direct Fitment: A perfect, drop-in replacement for the original injector nozzle, eliminating the need for modifications and reducing downtime during installation.
• Reliable Performance: Rigorously tested for flow rate, spray pattern, and leak-tightness to guarantee consistent engine performance under heavy load conditions.

Technical Specifications

OEM Cross-Reference

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

• 0433171948 (Bosch/Denso)
• 0 433 171 948 (Bosch)
• DLLA154P1538 (Bosch Nozzle Code)

Compatibility

This injector nozzle is designed for use in diesel engines equipped with Denso Common Rail fuel injection systems. It is commonly used in various heavy equipment, including excavators, wheel loaders, and bulldozers from leading manufacturers. While it is a universal nozzle type, it is frequently specified for engines requiring the DLLA154P1538 spray pattern. Please verify your existing nozzle part number to ensure compatibility.

Global Supply & Distribution

As a dedicated B2B exporter, we ensure a seamless supply chain for our international clients. We offer:

• Worldwide Shipping: Reliable logistics via sea, air, and express couriers (DHL, FedEx, UPS) to major ports and industrial centers globally.
• Major Markets Served: North America, Europe, Southeast Asia, Middle East, Africa, and South America.
• Fast Delivery: Efficient processing and dispatch from our warehouses to minimize your downtime.
• Trade Compliance: Experienced in international trade documentation and customs clearance for hassle-free importation.

Quality Assurance

• Manufacturing Standards: Produced in ISO 9001 certified facilities, ensuring consistent quality control.
• Warranty: Backed by a standard warranty against manufacturing defects.
• Testing: Each batch undergoes rigorous testing for hydraulic performance, including flow rate and spray pattern verification.

FAQ

Q: Is this nozzle a direct replacement for the OEM 0433171948 part?

A: Yes, this nozzle is manufactured to match the exact specifications of the OEM part number 0433171948 (and its Bosch equivalent 0 433 171 948). It is designed for a direct, drop-in fit without any modifications.

Q: What does the code “DLLA154P1538” mean?

A: This is a Bosch classification code that defines the nozzle’s hydraulic characteristics, including its spray angle (154 degrees) and flow rate (P designation). It is critical to use the correct code to ensure proper fuel atomization and engine performance. This part is specifically manufactured to the DLLA154P1538 specification.

Q: How should I install this nozzle to ensure a long service life?

A: Installation should be performed in a clean environment to prevent contamination. Always replace the nozzle’s copper washer and torque the injector to the manufacturer’s specifications. It is highly recommended to have the injector assembly calibrated by a professional diesel service shop to ensure the opening pressure is correct for your specific engine.