3694081
V Ribbed Belt
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$30.95 $36.83

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 3694081 V Ribbed Belt is a critical component designed to facilitate the operation of commercial trucks. It is integral to the truck’s auxiliary systems, ensuring that various engine-driven accessories function correctly. This belt’s role in maintaining the efficiency and reliability of truck operations underscores its significance.

Basic Concepts of V Ribbed Belts

V Ribbed Belts are a type of drive belt characterized by their trapezoidal cross-section, which allows them to grip pulleys more effectively than flat belts 1. They are commonly used in automotive applications to transfer power from the engine to various components such as the alternator, water pump, and air conditioning compressor. V Ribbed Belts differ from other types of belts, like timing belts, in their design and function. While timing belts synchronize the rotation of the engine’s camshaft and crankshaft, V Ribbed Belts drive multiple peripheral components 2.

Role of the 3694081 V Ribbed Belt in Truck Operation

The Cummins 3694081 V Ribbed Belt plays a specific role in the operation of a truck by driving essential components such as the alternator, water pump, and power steering pump. This belt ensures that these components receive the necessary power to function, which is vital for the truck’s overall performance. By maintaining the operation of these accessories, the belt contributes to the engine’s efficiency and the truck’s drivability 3.

Key Features of the 3694081 V Ribbed Belt

The Cummins 3694081 V Ribbed Belt is constructed with high-quality materials and features a design that enhances its performance and durability. It is made from a robust elastomer compound that provides flexibility and strength. The belt’s design includes multiple ribs that increase the contact surface with the pulleys, improving power transmission and reducing the risk of slippage. These features contribute to the belt’s longevity and reliability in demanding truck applications.

Benefits of Using the 3694081 V Ribbed Belt

Using the Cummins 3694081 V Ribbed Belt offers several benefits. It provides improved efficiency in power transmission, which can lead to better overall engine performance. The belt’s design reduces the need for frequent maintenance, as it is less prone to wear and slippage. Additionally, its reliability ensures that the driven components operate consistently, contributing to the truck’s dependability.

Installation and Maintenance

Proper installation of the Cummins 3694081 V Ribbed Belt is crucial for its performance and longevity. The installation process requires specific tools and should follow a step-by-step procedure to ensure the belt is correctly tensioned and aligned with the pulleys. Regular maintenance, including periodic inspections for wear and proper tension, is necessary to ensure the belt continues to operate effectively and to prevent unexpected failures.

Troubleshooting Common Issues

Common issues with V Ribbed Belts include slippage, wear, and noise. Slippage can occur if the belt is not properly tensioned or if it has become glazed. Wear may be indicated by cracks or fraying on the belt’s surface. Noise can be a sign of misalignment or excessive wear. Troubleshooting these issues involves checking the belt’s condition, tension, and alignment, and making adjustments or replacements as necessary.

Performance Enhancements

The Cummins 3694081 V Ribbed Belt contributes to the overall performance of the truck by ensuring that engine-driven accessories operate efficiently. This can lead to improvements in fuel efficiency, as the engine does not have to work harder to drive these components. The belt also supports consistent power output and enhances the truck’s reliability by maintaining the operation of critical systems.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and a commitment to quality, Cummins has established a strong reputation in the commercial truck industry. The company’s product range includes a variety of engines and components that are known for their durability and performance, reflecting Cummins’ dedication to excellence.

V Ribbed Belt 3694081 Compatibility with Cummins Engines

The V Ribbed Belt 3694081, manufactured by Cummins, is designed to fit a variety of Cummins engines. This belt is crucial for the proper functioning of the engine’s ancillary components, ensuring that parts such as the alternator, water pump, and air conditioning compressor operate efficiently.

ISG11 CM2880 G108 and ISG12 CM2880 G107

The V Ribbed Belt 3694081 is compatible with the ISG11 CM2880 G108 and ISG12 CM2880 G107 engines. These engines are part of the Cummins ISG series, known for their reliability and performance in various industrial applications. The belt’s design ensures a secure fit and optimal power transmission, contributing to the smooth operation of these engines.

ISG12 G CMOH6.0 G111

The ISG12 G CMOH6.0 G111 engine also benefits from the V Ribbed Belt 3694081. This engine is another variant in the Cummins ISG series, designed for high-performance applications. The belt’s precision fit and durability make it an ideal choice for maintaining the efficiency of the engine’s components.

QSG12/X12 CM2350 G110

The QSG12/X12 CM2350 G110 engine is another model that can utilize the V Ribbed Belt 3694081. This engine is part of the Cummins QSG series, which is known for its versatility and efficiency. The belt ensures that the engine’s ancillary systems function correctly, enhancing overall performance and reliability.

X11 CM2670 X126B, X12 CM2670 X121B, and X13 CM2670 X122B

The V Ribbed Belt 3694081 is also compatible with the X11 CM2670 X126B, X12 CM2670 X121B, and X13 CM2670 X122B engines. These engines are part of the Cummins X series, which is widely used in various industrial and commercial applications. The belt’s design ensures a reliable fit, providing the necessary power transmission to keep the engine’s components running smoothly.

By ensuring a precise fit and reliable performance, the V Ribbed Belt 3694081 is an essential component for maintaining the efficiency and longevity of these Cummins engines.

Role of Part 3694081 V Ribbed Belt in Engine Systems

The V Ribbed Belt, identified as part 3694081, is integral to the efficient operation of several engine components. Its primary function is to transmit power from the engine’s crankshaft to various auxiliary components.

Interaction with the Belt System

The V Ribbed Belt operates within a pulley system, where it engages with multiple pulleys to drive essential engine accessories. This belt is designed to handle the dynamic loads and varying speeds of these components, ensuring smooth and reliable power transmission.

Driving the Fan

One of the key components driven by the V Ribbed Belt is the engine cooling fan. The belt engages with the fan drive pulley, which is connected to the fan blades. As the crankshaft rotates, the V Ribbed Belt transfers this motion to the fan, causing it to spin. This rotation facilitates airflow through the radiator, effectively cooling the engine and preventing overheating.

Ensuring Efficient Operation

The efficiency of the V Ribbed Belt is paramount for the proper functioning of the fan drive. A well-maintained belt ensures that the fan operates at optimal speed, providing the necessary cooling performance under various operating conditions.

Conclusion

In summary, the Cummins 3694081 V Ribbed Belt plays a significant role in the engine’s auxiliary systems, particularly in driving the cooling fan, thereby contributing to the overall performance and reliability of the engine. Proper installation, maintenance, and understanding of its role and benefits are essential for maximizing the efficiency and longevity of this Cummins part.


  1. Lakshminarayanan, P. A., & Agarwal, A. K. (2019). Design and Development of Heavy Duty Diesel Engines: A Handbook. Springer.

  2. Drozdziel, P. (2023). The Vehicle Diesel Engine Startup Process Operational and Environmental Aspects. Routledge.

  3. Cummins Inc. (n.d.). QSG12 CM2880 G112, Service Manual (4388731).

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SPECIFICATIONS

Package Dimensions
16.0 x 9.0 x 3.0 in
Weight
0.2 lb
* 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.