KOMATSU 6261-21-1910 Nozzle

Product Overview

The KOMATSU 6261-21-1910 Nozzle is a Genuine Komatsu OEM engine oil nozzle designed for installation in the engine cylinder block. Komatsu officially lists this component as a Nozzle within the Engine category. It directs a controlled stream of lubricating oil to critical engine components, providing cooling and lubrication that help reduce friction, dissipate heat, and extend engine service life.

Manufactured to Komatsu’s stringent OEM standards, the 6261-21-1910 Nozzle is engineered to deliver precise oil flow under varying engine speeds and loads. Designed as a direct OEM replacement, it restores the original lubrication performance and reliability of the engine lubrication system.

Key Features

• Genuine Komatsu OEM Engine Nozzle
• Part Number: 6261-21-1910
• Engine lubrication nozzle
• Installed in the engine cylinder block
• Directs pressurized engine oil to critical internal components
• Helps reduce friction and operating temperatures
• Manufactured to Komatsu OEM specifications
• Direct OEM replacement
• Designed for heavy-duty diesel engine applications
• Supports long engine service life

Technical Specifications

Note: Komatsu has not publicly released detailed OEM specifications such as nozzle orifice diameter, flow rate, material composition, operating pressure, or installation torque for the 6261-21-1910 Nozzle. Always refer to the official Komatsu service manual for installation procedures and torque specifications.

Application Information

The KOMATSU 6261-21-1910 Nozzle is installed in the engine cylinder block, where it delivers a precisely directed stream of engine oil to critical moving components. This oil flow assists in cooling and lubricating internal engine parts, helping to maintain proper operating temperatures, reduce component wear, and ensure long-term engine reliability.

The nozzle is designed to withstand:

• Continuous engine oil pressure
• High engine operating temperatures
• Heavy-duty diesel engine operation
• Continuous vibration
• Extended operating hours
• Severe mining, construction, and quarry environments

Proper inspection during engine overhaul is recommended to ensure the nozzle remains free from blockage or damage, as restricted oil flow can adversely affect engine durability.

Compatible Komatsu Equipment

The KOMATSU 6261-21-1910 Nozzle is used in selected Komatsu machines equipped with compatible SAA6D170E-series diesel engines, including:

Mining Excavators

• PC1250 series
• PC2000 series

Mining Wheel Loaders

• WA900 series

Mining Dump Trucks

• HD785 series
• HD1500 series

Compatibility depends on the engine model, engine serial number, and machine configuration. Always verify compatibility using the machine’s Product Identification Number (PIN), Machine Serial Number, Engine Serial Number, and existing part number before ordering.

Additional Compatibility Information

The 6261-21-1910 Nozzle is a configuration-specific engine lubrication component. Before installation, verify:

• Machine model
• Machine Serial Number
• Product Identification Number (PIN)
• Engine model and serial number
• Engine cylinder block configuration
• Existing nozzle part number

Verification through the official Komatsu Parts Catalog or an authorized Komatsu dealer is recommended before installation.

Benefits

Installing a genuine KOMATSU 6261-21-1910 Nozzle helps:

• Restore proper engine lubrication
• Improve cooling of critical engine components
• Reduce friction and internal wear
• Support stable engine performance
• Extend engine service life
• Reduce the risk of lubrication-related failures
• Preserve original OEM engine performance
• Deliver OEM-quality fit, durability, and reliable lubrication in demanding heavy-duty mining and construction applications.