3930310
Spring Hose Clamp
Cummins®

The Breather Bracket 3930310 by Cummins is a component designed to facilitate the breather system in heavy-duty trucks. Its purpose is to maintain the pressure balance within the engine’s crankcase and to prevent contamination from entering the system. Cummins, a well-established manufacturer in the automotive industry, is known for producing reliable and high-performance parts for heavy-duty applications ¹.

Function and Operation

The Breather Bracket 3930310 operates as part of the truck’s breather system, which is responsible for managing the pressure within the engine’s crankcase. This bracket plays a role in the system by securing the breather hose and ensuring a stable connection. It helps in maintaining the correct pressure levels, which is vital for the efficient operation of the engine. Additionally, the bracket aids in preventing contaminants such as dust and moisture from entering the crankcase, thereby protecting the engine’s internal components ².

Key Features

The Breather Bracket 3930310 is constructed from durable materials that are resistant to the harsh conditions typically encountered in heavy-duty truck environments. Its design includes features that enhance its performance and longevity, such as a robust mounting system that ensures a secure fit and reduces the risk of disconnection. The bracket is also engineered to withstand vibrations and temperature fluctuations, which are common in truck operations ³.

Benefits

The use of the Breather Bracket 3930310 can lead to improved engine performance by ensuring that the breather system functions correctly. This can result in reduced maintenance needs, as the bracket helps to keep the system clean and free from contaminants. Furthermore, the durability of the bracket contributes to the enhanced longevity of the truck’s components, providing a reliable solution for breather system management.

Installation

To install the Breather Bracket 3930310, one should follow a step-by-step process that includes identifying the correct location on the truck’s engine, securing the bracket in place using the provided fasteners, and connecting the breather hose. It is important to use the appropriate tools and to ensure that all connections are tight and secure to prevent any issues with the breather system’s operation.

Maintenance and Troubleshooting

Regular maintenance of the Breather Bracket 3930310 involves inspecting the bracket and hose connections for any signs of wear or damage. Common issues may include loose connections or hose deterioration, which can be addressed by tightening fasteners or replacing worn components. Troubleshooting should be conducted according to the manufacturer’s guidelines to ensure the breather system continues to operate effectively.

Safety Considerations

When working with the Breather Bracket 3930310, it is important to follow safety practices to prevent accidents or injuries. This includes ensuring that the engine is turned off and cool before beginning any work, using personal protective equipment, and adhering to all recommended procedures for handling, installation, and maintenance.

Environmental Impact

The Breather Bracket 3930310 is designed with consideration for its environmental impact. The materials used are chosen for their durability and recyclability, and the manufacturing process aims to minimize waste. Proper disposal or recycling of the bracket at the end of its service life can help reduce its environmental footprint.

Cummins 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 strong reputation in the automotive industry, Cummins is dedicated to providing reliable and efficient solutions for heavy-duty truck applications. The company’s product range includes a variety of components and systems that are engineered to meet the demanding requirements of the transportation sector.

Compatibility with Cummins Engines

This part is designed to fit various Cummins engines, ensuring proper ventilation and maintenance of the engine’s crankcase. It is engineered to maintain the integrity of the engine’s breather system, which is essential for managing pressure and preventing contaminants from entering the crankcase.

ISB Series Engines

The ISB series engines, including:

• ISB CM550
• ISB CM850
• ISB4.5 CM2350 B104
• ISB6.7 CM2250
• ISB6.7 CM2350 B101
• ISB6.7 G CM2180 B118

are compatible with the Breather Bracket 3930310. This bracket ensures that the ISB engines maintain optimal air flow and pressure balance, contributing to the overall efficiency and longevity of the engine.

ISBE, ISC, and ISF Series Engines

The ISBE, ISC, and ISF series engines, such as:

• ISBE CM800
• ISC CM850
• ISF2.8 CM2220 F129

also utilize the Breather Bracket 3930310. This part is essential for these engines to manage the crankcase ventilation system effectively, ensuring that the engines operate smoothly and reliably.

ISG Series Engines

The ISG series engines, including:

• ISG11 CM2880 G108
• ISG12 CM2880 G107

are designed to work with the Breather Bracket 3930310. This bracket is crucial for maintaining the proper ventilation and pressure management in these engines, ensuring they perform at their best.

ISL Series Engines

The ISL series engines, such as:

• ISL9 CM2150 SN

are compatible with the Breather Bracket 3930310. This part ensures that the ISL engines maintain the necessary air flow and pressure balance, contributing to their efficiency and durability.

QSB Series Engines

The QSB series engines, including:

• QSB4.5 CM2250 EC
• QSB5.9 CM850
• QSB6.7 CM2250
• QSB6.7 CM2350 B105

are designed to fit the Breather Bracket 3930310. This bracket is essential for managing the crankcase ventilation system in these engines, ensuring they operate efficiently and reliably.

QSC and QSL Series Engines

The QSC and QSL series engines, such as:

• QSC9 CM2250/QSL9 CM2250

are compatible with the Breather Bracket 3930310. This part ensures that these engines maintain the necessary air flow and pressure balance, contributing to their performance and longevity.

QSG Series Engines

The QSG series engines, including:

• QSG12 CM2880 G112
• QSG12/X12 CM2350 G110

are designed to fit the Breather Bracket 3930310. This bracket is crucial for managing the crankcase ventilation system in these engines, ensuring they perform at their best.

By ensuring compatibility with a wide range of Cummins engines, the Breather Bracket 3930310 plays a vital role in maintaining the health and efficiency of these engines.

Role of Part 3930310 Breather Bracket in Engine Systems

The 3930310 Breather Bracket is an essential component that integrates with various engine systems to ensure optimal performance and efficiency. It securely mounts the breather tube, which is a vital part of the crankcase breather system. This system allows for the release of pressure built up within the crankcase, preventing damage to seals and gaskets.

In conjunction with the valve cover breather kit, the breather bracket facilitates the venting of gases from the valve covers, maintaining a balanced pressure environment. It also plays a role in the compressor air inlet arrangement by ensuring that the breather tube does not interfere with the airflow into the compressor, thus preserving the efficiency of the air compressor.

The breather bracket is also involved in the oil fill arrangement, where it ensures that the breather tube is positioned correctly to allow for proper ventilation during oil changes, preventing spills and maintaining a clean engine bay.

Furthermore, the breather bracket interacts with the cabin heater plumbing and vehicle heater tube by ensuring that the breather system does not obstruct the flow of heated air into the cabin, contributing to passenger comfort.

In the context of the turbocharger plumbing, the breather bracket ensures that the breather tube is routed away from hot turbocharger components, preventing any potential damage from heat exposure.

Additionally, the breather bracket works in tandem with the thermostat housing plumbing to maintain a secure and efficient breather system, ensuring that the engine operates within optimal temperature ranges.

The exhaust recirculation water plumbing also benefits from the precise placement afforded by the breather bracket, as it ensures that the breather tube does not interfere with the recirculation process, which is essential for reducing emissions.

Lastly, the breather bracket is compatible with the provided hardware kit, allowing for a secure and straightforward installation process that integrates seamlessly with the engine’s existing structure.

Conclusion

The Breather Bracket 3930310 by Cummins is a critical component for maintaining the efficiency and reliability of heavy-duty truck engines. Its role in managing crankcase pressure and preventing contamination is essential for the overall performance of the engine. With its durable construction and compatibility with a wide range of Cummins engines, this part ensures that the breather system operates effectively, contributing to the longevity and performance of the engine.