5290517
BREATHER,CRANKCASE
Cummins®

Introduction

The Cummins 5290517 Crankcase Breather is a vital component for heavy-duty truck engines, designed to vent crankcase vapors and maintain engine efficiency and longevity. This part ensures the release of combustion gases, preserving the engine’s internal environment.

Function and Operation

The crankcase breather system vents vapors produced during combustion, maintaining pressure equilibrium within the engine. It allows gases that pass by the piston rings to escape, preventing pressure build-up that could cause oil leaks or engine issues ¹.

Purpose of the Cummins 5290517 Crankcase Breather

This Cummins part manages blow-by gases and prevents pressure build-up in the crankcase, which is essential for maintaining engine efficiency and protecting components from stress ².

Key Features

The 5290517 is constructed with durable materials for harsh conditions, featuring filtration to prevent contaminants from entering the engine. Its design enhances performance and reliability in heavy-duty applications.

Benefits

Benefits of the 5290517 include improved engine performance through efficient venting, reduced oil contamination by filtering impurities, and extended engine life due to the prevention of pressure-related damage.

Installation

Proper installation of the 5290517 involves cleaning the area and checking for obstructions to ensure optimal performance. Following guidelines and best practices is crucial for a proper fit and function.

Maintenance and Troubleshooting

Regular maintenance is recommended to ensure the continued effective operation of the crankcase breather. This includes checking for wear or damage and addressing issues promptly. Troubleshooting tips can help resolve common problems.

Cummins Overview

Cummins Inc. is renowned in the heavy-duty truck industry for its quality and reliability. The company’s commitment to innovation makes it a preferred choice for engine components, including the 5290517 Crankcase Breather.

Compatibility

The 5290517 is designed for various Cummins engine models, ensuring proper ventilation and pressure balance within the crankcase for optimal performance and longevity.

Compatible Engines

• 4B3.9
• 6B5.9
• B5.6 CM2670 B152B
• B5.9 GAS PLUS CM556
• ISB5.9 CM2880 B110
• ISB5.9 CM2880 B140
• ISB5.9 CM2880 B149
• ISB5.9G CM2180
• QSB5.9 CM2880 B115

Grouped Compatibility

• ISB5.9 CM2880 Series:

  • ISB5.9 CM2880 B110
  • ISB5.9 CM2880 B140
  • ISB5.9 CM2880 B149
  • QSB5.9 CM2880 B115

• ISB5.9G CM2180

• Other Models:

  • 4B3.9
  • 6B5.9
  • B5.6 CM2670 B152B
  • B5.9 GAS PLUS CM556

Role in Engine Systems

The 5290517 BREATHER,CRANKCASE is integral to engine health and efficiency, managing pressure and ventilation within the cylinder block.

Integration with the Crankcase

This part allows gases to escape from the crankcase, preventing pressure buildup that could lead to leaks or damage.

Interaction with the Cylinder Block

By regulating pressure, the 5290517 helps maintain the integrity of the cylinder block, reducing the risk of warping or cracking.

Component of the Breather Kit

Often part of a breather kit, the 5290517 enhances ventilation and filtration of crankcase gases, ensuring optimal engine conditions.

Ventilation and Filtration

In addition to venting gases, the 5290517 incorporates filtration to prevent contaminants from entering the crankcase, maintaining engine oil cleanliness.

Maintenance of Engine Cover

By regulating crankcase pressure, the 5290517 supports the maintenance of the engine cover, reducing stress and risk of deformation.

Conclusion

The 5290517 BREATHER,CRANKCASE is a pivotal component in engine systems, ensuring optimal conditions for the crankcase, cylinder block, and associated components. Its role in pressure regulation, ventilation, and filtration significantly contributes to engine efficiency and longevity.