3004594
Idler Gear
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$259.95 $309.34

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

The Cummins 3004594 Idler Gear is a component designed for use in heavy-duty truck transmissions. It serves a specific function within the gear system, contributing to the efficient operation of the vehicle. Understanding its purpose and significance is important for maintaining and optimizing the performance of heavy-duty trucks.

Basic Concepts of Idler Gears

An idler gear is a type of gear used in gear systems to transmit motion between two non-adjacent gears. It does not directly contribute to the power transmission but plays a role in maintaining the proper alignment and spacing between gears. This ensures smooth operation and reduces wear on the gear teeth. Idler gears can also change the direction of rotation in a gear train, providing flexibility in the design of mechanical systems 1.

Purpose of the 3004594 Idler Gear

The 3004594 Idler Gear is specifically designed to fit into the gear train of heavy-duty truck transmissions. Its role is to maintain the correct mesh between other gears, ensuring that power is transmitted efficiently throughout the system. By doing so, it contributes to the overall performance and longevity of the transmission system.

Key Features

The 3004594 Idler Gear is constructed with precision to meet the demands of heavy-duty applications. It is made from high-quality materials that offer durability and resistance to wear. The tooth profile is designed to provide a smooth transfer of motion, reducing noise and vibration. Additionally, the gear may feature specific characteristics such as a particular tooth count or module size to suit its application within the transmission system.

Benefits of Using the 3004594 Idler Gear

Incorporating the 3004594 Idler Gear into a heavy-duty truck transmission system can lead to several advantages. These include improved efficiency in power transmission, enhanced durability under high-stress conditions, and increased reliability. The gear’s design and materials contribute to these benefits, making it a valuable component for maintaining the performance of heavy-duty trucks.

Installation Considerations

When installing the 3004594 Idler Gear, it is important to follow guidelines to ensure proper function. This includes checking for correct alignment with other gears, adhering to torque specifications for fastening, and performing any necessary preparatory steps such as cleaning the mating surfaces. Proper installation is key to maximizing the performance and lifespan of the idler gear.

Maintenance and Troubleshooting

Routine maintenance of the 3004594 Idler Gear is important for ensuring optimal performance. This may involve periodic inspection for wear, lubrication according to manufacturer recommendations, and replacement of the gear if significant wear is detected. Troubleshooting common issues such as noise or vibration can often be addressed by checking the alignment and condition of the idler gear and related components.

Compatibility and Applications

The 3004594 Idler Gear is designed to be compatible with specific truck models and engine configurations. Its suitability for different operating conditions makes it a versatile component for various heavy-duty applications. Understanding its compatibility ensures that it can be effectively integrated into the intended system.

Cummins Overview

Cummins Inc. is a well-established manufacturer with a reputation for innovation and quality in the automotive components industry. The company has a history of developing reliable and efficient parts for a wide range of applications, including heavy-duty trucks. Its commitment to quality is reflected in the design and performance of components like the 3004594 Idler Gear 2.

Idler Gear 3004594 Compatibility with Cummins Engines

The Idler Gear 3004594, manufactured by Cummins, is designed to fit a variety of engines, ensuring smooth and reliable operation. Here is a detailed look at its compatibility with the specified engines:

GTA38 G CMEICS G116C

The Idler Gear 3004594 is compatible with the GTA38 G CMEICS G116C engine, providing support for the gear system. This compatibility ensures that the engine operates efficiently and maintains its performance over time.

K38, K50, KTA38GC CM558, QSK38 CM2150 MCRS, QSK38 CM850 MCRS

The Idler Gear 3004594 is also suitable for the K38, K50, and KTA38GC CM558 engines. Additionally, it fits the QSK38 CM2150 MCRS and QSK38 CM850 MCRS engines. This wide compatibility allows for a seamless integration into various engine models, ensuring consistent performance and reliability.

QSK50 CM2150 K107, QSK50 CM2150 MCRS, QSK50 CM2350 K108

The Idler Gear 3004594 is also designed to fit the QSK50 CM2150 K107, QSK50 CM2150 MCRS, and QSK50 CM2350 K108 engines. This compatibility ensures that the gear system functions optimally, contributing to the overall efficiency and longevity of the engine.

By ensuring compatibility with these engines, the Idler Gear 3004594 plays a role in maintaining the performance and reliability of the engine systems it is integrated into.

Understanding the Role of Part 3004594 Idler Gear in Engine Systems

The idler gear, specifically part 3004594, is an integral component within various engine systems, facilitating the smooth operation of several key elements. Its primary function is to maintain the proper tension and alignment of the timing chain or belt, which is essential for the synchronization of the engine’s camshaft and crankshaft.

In the context of a Base Part or Base Parts, the idler gear ensures that the timing mechanism operates without slippage or excessive wear. This is particularly important in maintaining the precise timing required for the opening and closing of the engine’s valves in coordination with the pistons’ movements.

When considering the Block or EBM-Block (Electronically Controlled Brake Module Block), the idler gear plays a supportive role by reducing the load on the timing chain or belt. This reduction in load helps in prolonging the lifespan of the block by minimizing wear and tear on the internal components.

In an Engine assembly, the idler gear is a silent yet significant contributor to the engine’s overall efficiency and performance. By keeping the timing chain or belt taut, it prevents the potential for timing issues that could lead to engine misfires or, in severe cases, engine damage.

For Kit C L. Parts List applications, the inclusion of part 3004594 is vital for ensuring that all components within the kit function harmoniously. This is especially true for timing chain or belt kits, where the idler gear’s role in tension maintenance is indispensable.

In a Long Block Assy. - 50, the idler gear works in conjunction with the Main Bearings to ensure that the crankshaft rotates smoothly. Proper tension and alignment of the timing chain or belt, facilitated by the idler gear, are essential for the crankshaft’s stable operation.

Lastly, within the broader category of Part, Base, and Parts, the idler gear’s function extends to supporting the durability and reliability of the engine’s base components. By ensuring that the timing mechanism is correctly tensioned and aligned, it contributes to the longevity and performance of the engine’s fundamental parts.

Conclusion

The Cummins 3004594 Idler Gear is a critical component in heavy-duty truck transmissions, ensuring efficient power transmission and maintaining the performance and longevity of the transmission system. Its precise construction, compatibility with various engine models, and role in engine systems underscore its importance in the automotive industry.


  1. MJ Nunney, Light and Heavy Vehicle Technology, Fourth Edition, Butterworth-Heinemann, 2007.

  2. Haoran Hu, Simon J Baseley and Xubin Song, Advanced Hybrid Powertrains for Commercial Vehicles Second Edition, SAE International, 2021.

* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.