Isuzu 6HK1/6BG1 Diesel Fuel Injector Nozzle DLLA141SM373 for Excavator & Truck

Product Details

Product Overview

This high-quality diesel fuel injector nozzle, identified by the part number DLLA141SM373, is a critical component designed for Isuzu heavy-duty engine platforms. Specifically engineered for the Isuzu 6HK1 and 6BG1 engine models, this nozzle is a genuine replacement part that ensures precise fuel atomization for optimal combustion efficiency.

Commonly used in Isuzu medium-duty trucks and excavators (model year circa 2010), this component is manufactured to meet strict OEM tolerances. It is a direct-fit replacement for the original injector assembly, requiring no modifications for installation. Whether you are maintaining a fleet of construction machinery or commercial vehicles, this nozzle delivers reliable performance under demanding working conditions.

Key Features & Benefits

• OEM Specification Compliance: Manufactured to match the exact dimensions and flow characteristics of the original Isuzu part (DLLA141SM373), ensuring a perfect seal and spray pattern.
• Enhanced Fuel Efficiency: Precision-machined nozzle holes provide consistent fuel atomization, reducing fuel consumption and minimizing unburnt fuel emissions.
• Durable Steel Construction: Built from high-grade steel to withstand extreme injection pressures and thermal stress, extending the service life of the injector tip.
• Direct Fitment Assurance: Engineered as a plug-and-play replacement for Isuzu 6HK1 and 6BG1 engines, eliminating the need for adapter plates or custom modifications.
• Reduced Downtime: Rigorous quality control ensures each nozzle is free from burrs and defects, allowing for quick installation and immediate operational readiness.
• Versatile Application: Suitable for both on-highway (truck) and off-highway (excavator) applications, offering flexibility for mixed fleets.

Technical Specifications

OEM Cross-Reference

This fuel injector nozzle is directly cross-referenced to the following OEM number(s):

• DLLA141SM373 (Primary OEM Number)

Note: This part may also be listed under alternative supplier numbers. Please verify your original injector body number against the “DLLA141SM373” designation before ordering.

Compatibility

This product is commonly used for the following applications:

• Engine Models: Isuzu 6HK1, Isuzu 6BG1
• Vehicle Types: Isuzu Medium Duty Trucks (e.g., F-Series, FRR, FTR), Isuzu Excavators (e.g., ZX series with Isuzu engines)
• Model Year: Commonly associated with 2010 production models (verify with your engine serial number)

Fitment is inferred based on engine code. Always confirm compatibility with your specific engine serial number and injector body type.

Global Supply & Distribution

We offer worldwide shipping capabilities to meet the demands of international B2B buyers. Our logistics network supports fast delivery to major ports and industrial centers across:

• North America: Los Angeles, Houston, New York, Toronto
• Europe: Rotterdam, Hamburg, Antwerp, Felixstowe
• Asia-Pacific: Singapore, Shanghai, Tokyo, Sydney
• Middle East & Africa: Dubai, Jeddah, Durban, Lagos

With experience in export documentation and international trade compliance, we ensure smooth customs clearance for your orders. Bulk shipments are available with competitive freight rates.

Quality Assurance

Each fuel injector nozzle undergoes rigorous inspection to ensure it meets or exceeds OEM performance standards. Our quality control process includes:

• Material Verification: Steel composition and hardness testing to confirm durability.
• Dimensional Inspection: Measurement of nozzle diameter, length, and sealing surfaces using calibrated tools.
• Flow Testing: Spray pattern and flow rate verification to ensure consistent atomization.

We back our product with a 3-month warranty against manufacturing defects. After the warranty period, video technical support is available to assist with installation or troubleshooting.

FAQ

Q1: Is this nozzle a direct replacement for my 6HK1 engine injector?
Yes, the DLLA141SM373 is designed as a direct-fit replacement for nozzles in Isuzu 6HK1 engines. However, we recommend verifying that your injector body requires this specific nozzle type. Check the existing nozzle for the “DLLA141SM373” stamping before ordering.

Q2: What is the recommended installation procedure?
Installation should be performed by a qualified diesel technician. The nozzle must be cleaned of debris before insertion. Ensure the sealing washer is replaced, and tighten the retaining nut to the manufacturer’s specified torque (typically 60-70 Nm for this type). Do not reuse old washers.

Q3: How can I tell if my nozzle is failing?
Common symptoms include rough idling, excessive smoke (black or white), reduced engine power, and increased fuel consumption. A failed nozzle may also cause misfiring or a knocking sound from the cylinder. If you observe these signs, replace the nozzle immediately to prevent damage to the piston or cylinder head.