1-11129064-1 Injector Sleeve Nozzle Holder for Isuzu 6WG1 6UZ1 Excavator Engine

Product Details

Product Overview

This genuine 1-11129064-1 Injector Sleeve Nozzle Holder is a critical fuel system component specifically designed for Isuzu 6WG1 and 6UZ1 diesel engines. As a high-precision part, the injector sleeve acts as a sealing interface between the cylinder head and the fuel injector, ensuring optimal compression and fuel delivery. This genuine component is commonly utilized in heavy-duty excavator applications where engine reliability and performance are paramount.

Manufactured to OEM specifications, this nozzle holder assembly provides a precise fit and long-lasting service life. While primarily designed for the Isuzu 6WG1 and 6UZ1 engine platforms, it is commonly used in various heavy construction and mining equipment models from leading manufacturers. This part is essential for maintaining proper fuel injection timing and preventing combustion gas leakage, which directly impacts engine efficiency and power output.

Key Features & Benefits

• Genuine OEM Quality: Manufactured to Isuzu’s exacting standards, ensuring precise fitment and reliable performance in demanding excavator applications.
• Critical Sealing Function: The injector sleeve creates a high-pressure seal that prevents fuel and combustion gas leaks, maintaining engine compression and fuel efficiency.
• Long-Lasting Durability: Constructed from premium-grade materials designed to withstand extreme temperatures and pressures within the combustion chamber, reducing replacement frequency.
• Direct Replacement: Part number 1-11129064-1 is a direct OEM replacement, eliminating the need for modifications or adapters during installation.
• Engine Protection: Properly functioning injector sleeves prevent coolant and oil contamination, protecting critical engine components from premature wear.
• Improved Fuel Economy: A perfect seal ensures optimal fuel atomization and combustion, contributing to better fuel economy and reduced emissions.
• Minimized Downtime: As a wear item that can be replaced during routine injector maintenance, this part helps prevent unexpected engine failures and costly downtime.

Technical Specifications

OEM Cross-Reference

This part is an exact OEM replacement and cross-references with the following original manufacturer numbers:

• Primary OEM Number: 1-11129064-1
• Isuzu Reference: 1-11129064-1

Note: This part is the genuine OEM specification. Please verify your engine model (6WG1 or 6UZ1) to ensure compatibility. No additional cross-reference numbers are available for this specific component.

Compatibility

This injector sleeve nozzle holder is commonly used for the following applications:

• Engine Models: Isuzu 6WG1, Isuzu 6UZ1
• Equipment Type: Excavators and heavy construction machinery equipped with these engine platforms
• Compatible Makes: Commonly found in Hitachi, Sumitomo, and other excavator brands utilizing Isuzu 6WG1/6UZ1 engines

Important: Fitment verification is recommended by cross-referencing your existing part number and engine model before purchase. This part is designed specifically for the 6WG1 and 6UZ1 engine families.

Global Supply & Distribution

We offer worldwide shipping capabilities to serve the global B2B market. Our distribution network ensures reliable delivery to major industrial centers across:

• North America: United States, Canada, Mexico
• Europe: United Kingdom, Germany, France, Netherlands, Poland
• Asia-Pacific: Japan, China, South Korea, Australia, Singapore
• Middle East: UAE, Saudi Arabia, Qatar, Kuwait
• Africa: South Africa, Nigeria, Kenya
• South America: Brazil, Chile, Argentina, Peru

With efficient logistics partnerships, we ensure fast delivery to major ports and industrial hubs. Our export experience covers international trade compliance, customs documentation, and secure packaging for long-distance transit. Whether you need a single piece or bulk orders, we can accommodate your supply chain requirements.

Quality Assurance

This injector sleeve nozzle holder is sourced as a genuine OEM product from Japan, ensuring it meets the original manufacturer’s rigorous quality standards. Key quality commitments include:

• Manufacturing Standards: Produced to Isuzu’s strict engineering specifications for material composition, dimensional accuracy, and surface finish.
• Warranty: Covered by a 3-month warranty against manufacturing defects, providing peace of mind for your procurement.
• Testing: Each component is designed to withstand the extreme thermal and pressure cycles of diesel combustion. While individual testing is not specified, the genuine OEM designation guarantees it meets original production quality control standards.
• Post-Warranty Support: Video technical support is available after the warranty period to assist with installation and troubleshooting.

FAQ

Q1: How do I verify that this 1-11129064-1 injector sleeve fits my engine?

To confirm fitment, please check your engine model plate or documentation. This part is specifically designed for Isuzu 6WG1 and 6UZ1 engines. Additionally, you can remove your existing injector sleeve and compare its dimensions and markings to the OEM number 1-11129064-1. If your engine uses a different injector sleeve design, this part will not be compatible.

Q2: What is the recommended installation procedure for this injector sleeve?

Installation should be performed by a qualified diesel technician. The process typically involves cleaning the cylinder head bore, applying appropriate sealant (if specified by the engine manufacturer), and using a specialized installation tool to press the sleeve into place without damaging it. Proper torque specifications for the injector hold-down clamp must be followed. Important: Never reuse an old injector sleeve—always install a new one when replacing injectors. We provide video technical support to assist with installation questions.

Q3: What are the common signs that this injector sleeve needs replacement?

Common indicators of a failing injector sleeve include: visible fuel or combustion gas leakage around the injector base, white or black smoke from the exhaust, rough engine idle, loss of power, increased fuel consumption, and coolant contamination in the oil (if the sleeve allows coolant to pass). During routine injector replacement or cylinder head service, it is standard practice to replace the injector sleeves as a preventive maintenance measure. Regular inspection every 2000-4000 operating hours is recommended for excavator engines.