3289963
V Ribbed Belt
Cummins®

The V Ribbed Belt, specifically Part #3289963 by Cummins, is a component integral to the powertrain system of commercial trucks. It facilitates the transfer of power from the engine to various auxiliary components. Cummins, a recognized name in the automotive industry, contributes significantly to the development and supply of high-quality automotive components, including this V Ribbed Belt ¹.

Basic Concepts of V Ribbed Belts

V Ribbed Belts are engineered with multiple ribbed surfaces that engage with corresponding pulleys to transfer power efficiently. This design allows for a greater contact area compared to traditional flat belts, enhancing power transmission capabilities. The ribbed structure also contributes to reduced slippage and increased durability, making V Ribbed Belts a preferred choice in modern automotive applications ².

Purpose of the 3289963 V Ribbed Belt

This Cummins part plays a specific role in the operation of a truck by driving auxiliary components such as the alternator, water pump, and air conditioning compressor. Its function is to ensure these components receive the necessary power to operate, thereby supporting the overall functionality and performance of the vehicle.

Key Features

3289963 is constructed using high-quality materials and adheres to precise design specifications to ensure optimal performance and durability. Its features include a robust construction that can withstand the demanding conditions of commercial truck operations, and it is designed to integrate seamlessly with modern engine systems.

Benefits

This V Ribbed Belt offers several advantages, including improved efficiency in power transmission, reduced operational noise, and enhanced durability. Its design is tailored to meet the requirements of modern engines, ensuring compatibility and reliable performance. These benefits contribute to the overall efficiency and longevity of the truck’s powertrain system.

Troubleshooting and Maintenance

Common issues associated with V Ribbed Belts include wear and tear, misalignment, and contamination. Regular inspection and maintenance are recommended to ensure the belt’s longevity and optimal performance. Diagnostic tips include checking for signs of wear, ensuring proper tension, and verifying alignment with the pulleys. Replacement procedures should follow manufacturer guidelines to maintain system integrity ³.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a rich history in the automotive industry, Cummins is renowned for its expertise in diesel engines and related components. The company is committed to quality and innovation, providing solutions that meet the evolving needs of the automotive sector.

V Ribbed Belt Compatibility with Cummins Engines

This Cummins part is designed to fit a variety of Cummins engines. Below is a detailed description of its compatibility with the listed engines:

ISB Series Engines

• ISB CM2150
• ISB CM850
• ISB6.7 CM2250
• ISB6.7 CM2350 B101

The V Ribbed Belt is compatible with all ISB series engines, ensuring a secure fit and efficient power transmission.

ISC Series Engines

• ISC CM2150
• ISC CM850
• ISC8.3 CM2250

This belt is also suitable for the ISC series engines, providing reliable performance across different model variations.

ISL Series Engines

• ISL CM2150
• ISL9 CM2150 SN
• ISL9 CM2250

The V Ribbed Belt fits seamlessly with the ISL series engines, maintaining the necessary tension and alignment for optimal engine operation.

QSB Series Engines

• QSB4.5 CM2250 EC
• QSB4.5 CM850 (CM2850)
• QSB6.7 CM850 (CM2850)
• QSB7 CM2880 B117

This belt is compatible with the QSB series engines, ensuring durability and efficiency in various operational conditions.

QSL Series Engines

• QSL9 CM2250
• QSL9 CM2350 L102

The V Ribbed Belt is also designed to fit the QSL series engines, providing a robust solution for power transmission needs.

By ensuring compatibility with these diverse engine models, 3289963 offers a versatile and reliable solution for maintaining engine performance across a wide range of Cummins engines.

Role of Part 3289963 V Ribbed Belt in Engine Systems

This part is integral to the efficient operation of several engine components. Its primary function is to transfer rotational force from the crankshaft to various auxiliary components, ensuring they operate in sync with the engine’s rhythm.

Front Drive Belt System

In the front drive belt system, the V Ribbed Belt is responsible for driving multiple components simultaneously. It wraps around the crankshaft pulley and extends to other pulleys connected to essential systems. This setup allows for the simultaneous operation of the alternator, power steering pump, and air conditioning compressor. The belt’s ribbed design enhances grip and reduces slippage, ensuring consistent power transmission even under varying loads.

Water Pump Drive

The V Ribbed Belt also plays a significant role in the water pump drive system. By connecting the crankshaft to the water pump, it ensures that coolant is circulated through the engine block and cylinder head. This circulation is vital for maintaining optimal engine temperature, preventing overheating, and ensuring efficient engine performance. The ribbed structure of the belt provides the necessary traction to drive the water pump at the required speed, even when the engine is under heavy load or operating at high RPMs.

Conclusion

In summary, the V Ribbed Belt (part 3289963) is a key component in maintaining the synchronized operation of the front drive belt system and the water pump, contributing to the overall efficiency and reliability of the engine.