
The Cummins 3944961 Crankcase Vent Filter is a crucial part of your engine's emission control system. It helps your engine meet strict EPA standards by:
- Preventing oil contamination: The filter traps oil mist and vapors before they can enter the intake system, reducing oil consumption and wear on engine components.
- Reducing oil consumption: By capturing oil vapors, the filter ensures that engine oil stays where it belongs, lubricating your engine efficiently.
- Crankcase pressure control: The filter maintains proper pressure within the crankcase, which is essential for optimal engine performance.
- Removing unwanted emissions: The filter helps prevent harmful blow-by gases and oil vapors from entering the atmosphere, contributing to cleaner emissions.
- Protecting components: By trapping contaminants, the filter safeguards your engine's intake system, turbocharger, and intercooler from clogging and damage.
The Cummins 3944961 Crankcase Vent Filter is an essential component for maintaining clean and efficient engine operation while adhering to environmental regulations.

The Cummins 3944961 Crankcase Vent Filter is a crucial part of your engine's emission control system. It helps your engine meet strict EPA standards by:
Preventing oil contamination: The filter traps oil mist and vapors before they can enter the intake system, reducing oil consumption and wear on engine components.
Reducing oil consumption: By capturing oil vapors, the filter ensures that engine oil stays where it belongs, lubricating your engine efficiently.
Crankcase pressure control: The filter maintains proper pressure within the crankcase, which is essential for optimal engine performance.
Removing unwanted emissions: The filter helps prevent harmful blow-by gases and oil vapors from entering the atmosphere, contributing to cleaner emissions.
Protecting components: By trapping contaminants, the filter safeguards your engine's intake system, turbocharger, and intercooler from clogging and damage.
The Cummins 3944961 Crankcase Vent Filter is an essential component for maintaining clean and efficient engine operation while adhering to environmental regulations.[...]
The Cummins 3944961 Crankcase Vent Filter is a crucial part of your engine's emission control system. It helps your engine meet strict EPA standards by:
- Preventing oil contamination: The filter traps oil mist and vapors before they can enter the intake system, reducing oil consumption and wear on engine components.
- Reducing oil consumption: By capturing oil vapors, the filter ensures that engine oil stays where it belongs, lubricating your engine efficiently.
- Crankcase pressure control: The filter maintains proper pressure within the crankcase, which is essential for optimal engine performance.
- Removing unwanted emissions: The filter helps prevent harmful blow-by gases and oil vapors from entering the atmosphere, contributing to cleaner emissions.
- Protecting components: By trapping contaminants, the filter safeguards your engine's intake system, turbocharger, and intercooler from clogging and damage.
The Cummins 3944961 Crankcase Vent Filter is an essential component for maintaining clean and efficient engine operation while adhering to environmental regulations.