3609888
Lubricating Oil Pump Gear
Cummins®

The Cummins 3609888 Lubricating Oil Pump Gear is a component designed to facilitate the operation of heavy-duty trucks by ensuring the efficient circulation of lubricating oil within the engine. This gear is integral to the oil pump system, which is responsible for maintaining the proper lubrication of engine components, thereby contributing to the overall performance and longevity of the engine ³.

Function and Operation

The Lubricating Oil Pump Gear operates within the oil pump system by engaging with other gears to create a rotational motion that drives the pump. This motion generates the necessary pressure to circulate oil through the engine, ensuring that all moving parts receive adequate lubrication. The gear’s role is to transfer mechanical energy from the engine to the pump, which then distributes oil to critical components such as bearings, pistons, and camshafts ¹.

Key Features

The Cummins 3609888 Lubricating Oil Pump Gear is characterized by its robust design and construction. It is typically made from high-quality materials that offer durability and resistance to wear. The gear tooth profile is precision-engineered to ensure smooth and efficient operation, minimizing the risk of gear slippage or failure. This component is specifically designed for compatibility with Cummins engines, ensuring optimal performance and reliability ².

Benefits of Proper Lubrication

Effective lubrication provided by the Lubricating Oil Pump Gear offers several advantages. It reduces friction between moving parts, which in turn minimizes wear and tear on engine components. Proper lubrication also helps in dissipating heat generated during engine operation, contributing to more stable operating temperatures and enhanced engine efficiency ³.

Installation and Maintenance

For the proper installation of the Cummins 3609888 Lubricating Oil Pump Gear, it is important to follow manufacturer guidelines to ensure correct alignment and secure fitting within the oil pump assembly. Regular maintenance practices, such as checking for signs of wear or damage and ensuring the gear remains clean and free from contaminants, are recommended to maintain optimal performance. Troubleshooting common issues may involve inspecting for proper gear mesh, ensuring adequate oil levels, and addressing any unusual noises or vibrations that could indicate a problem with the oil pump system ¹.

Common Failure Modes

Typical failure modes associated with Lubricating Oil Pump Gears include gear tooth wear, misalignment, and contamination. Gear tooth wear can occur over time due to continuous operation, while misalignment may result from improper installation or component failure. Contamination from debris or improper oil can accelerate wear and reduce efficiency. Preventive measures include regular inspection, proper maintenance, and using high-quality lubricants to mitigate these issues ².

Importance of Regular Inspection

Routine inspection and monitoring of the Lubricating Oil Pump Gear are vital for ensuring the optimal performance and longevity of the engine lubrication system. Regular checks can help identify potential issues before they lead to significant problems, allowing for timely maintenance or replacement as needed. This proactive approach contributes to the overall reliability and efficiency of the engine ³.

Compatibility of Cummins Lubricating Oil Pump Gear (Part 3609888)

The Cummins Lubricating Oil Pump Gear (Part 3609888) is designed to fit a variety of engine models, ensuring efficient oil circulation and engine performance. Here is a detailed overview of its compatibility with the listed engines:

G855 Series

• G855
• G855 CM558
• GTA855 CM558 (CM2358)

The G855 series engines, including the G855, G855 CM558, and GTA855 CM558 (CM2358), are robust and reliable power units. The Cummins Lubricating Oil Pump Gear (Part 3609888) is engineered to seamlessly integrate with these engines, providing the necessary lubrication for smooth operation.

G101 Series

• G101

The G101 engine is another variant that benefits from the precise engineering of the Cummins Lubricating Oil Pump Gear (Part 3609888). This part ensures that the engine’s lubrication system functions optimally, contributing to its overall efficiency and longevity.

N14 Series

• N14 CELECT PLUS
• N14 G
• N14 MECHANICAL

The N14 series engines, including the N14 CELECT PLUS, N14 G, and N14 MECHANICAL, are known for their durability and performance. The Cummins Lubricating Oil Pump Gear (Part 3609888) is specifically designed to fit these models, ensuring that the lubrication system operates effectively, thereby maintaining engine health.

NH/NT 855 Series

• NH/NT 855

The NH/NT 855 engine is another model that is compatible with the Cummins Lubricating Oil Pump Gear (Part 3609888). This part is crucial for maintaining the engine’s lubrication system, ensuring that it runs smoothly and efficiently.

QSN14 Series

• QSN14 CM876 N103
• QSNT14 CM876 N102

The QSN14 series engines, including the QSN14 CM876 N103 and QSNT14 CM876 N102, are designed for heavy-duty applications. The Cummins Lubricating Oil Pump Gear (Part 3609888) is engineered to fit these engines, providing the necessary lubrication to support their demanding operational requirements.

Role of Part 3609888 Lubricating Oil Pump Gear in Engine Systems

The Part 3609888 Lubricating Oil Pump Gear is an integral component within various engine systems, ensuring efficient lubrication and optimal performance. This gear is specifically designed to work in conjunction with the lubricating oil pump, facilitating the circulation of lubricant throughout the engine.

Integration with Lubricating Oil Pumps

In systems utilizing a Lubricating Oil Pump or a Double Lubricating Oil Pump, the Part 3609888 gear engages with the pump mechanism to drive the flow of lubricant. This ensures that vital engine components, such as bearings, pistons, and camshafts, receive consistent lubrication, reducing friction and wear.

Role in Hydraulic Systems

When integrated with a Hydraulic Pump or Hydraulic Pump Drive, the gear assists in maintaining the hydraulic fluid levels necessary for the operation of hydraulic components within the engine. This is particularly important in systems where hydraulic functions are used for valve actuation or other control mechanisms.

Usage in Conversion Kits

In Conversion Kits like the Turbo VT-50 Conversion Kit or Kit, Lub Pump Conv, the Part 3609888 gear is often included to adapt the lubrication system to new configurations. These kits may require modifications to the lubrication system to accommodate changes in engine design or performance requirements.

Application in Overhaul and Spare Kits

The gear is also a common component in Overhaul Kits and Engine Spares Kits. These kits are designed to provide all necessary parts for a comprehensive engine rebuild or maintenance procedure. The inclusion of the Part 3609888 gear ensures that the lubrication system can be restored to factory specifications.

Coordination with Oil Pan and Dipstick

In conjunction with the Oil Pan and Oil Pan and Dipstick, the gear helps maintain the correct oil level and pressure within the engine. This is essential for the proper functioning of the lubrication system and the overall health of the engine.

Support in Lubrication Oil Top Level Assembly Pump

For systems that utilize a Lubrication Oil (Top Level Assembly) Pump, the gear plays a role in ensuring that the top-level components of the engine receive adequate lubrication. This is particularly important in high-performance or high-stress engine applications.

Functionality in EBM Pump Systems

In EBM: Pump systems, the gear works to enhance the efficiency of the pump, ensuring that lubricant is delivered under the right conditions to various engine parts. This is vital for the longevity and reliability of the engine.

Turbocharger Applications

In Turbocharger Conversion Kits, the gear is essential for adapting the lubrication system to the increased demands of a turbocharged engine. This ensures that all components, including the turbocharger itself, receive proper lubrication.

On-Board Spares Kit

Finally, the Part 3609888 gear is often included in Kit On Board Spares. These kits are designed to provide essential spare parts for in-field repairs, ensuring that the engine can be maintained without the need for a full workshop.

Conclusion

The Cummins 3609888 Lubricating Oil Pump Gear is a versatile and essential component across various engine systems, playing a significant role in maintaining the lubrication integrity and performance of the engine. Regular maintenance and inspection are crucial to ensure the longevity and efficiency of this component.