Engine Crankcase Vent Valve for Mercedes ML320 ML350 2009-2011 E350 2011-2013

Engine Crankcase Vent Valve for Mercedes

This crankcase vent valve is a direct replacement for the factory breather valve on select Mercedes models, regulating crankcase pressure and routing blow-by vapors back into the intake to help keep the engine running clean.

Overview

This engine crankcase vent valve is a replacement component that manages crankcase pressure and recirculates blow-by gases on select Mercedes engines. It serves as a direct-fit substitute for a worn or clogged factory valve, helping restore proper ventilation. A practical choice for owners and technicians handling routine maintenance on the listed models.

Built For Performance

• Housing designed to match the factory mounting points on the listed engine applications
• Internal diaphragm regulates crankcase pressure under normal operating conditions
• Built from oil-resistant materials suited to continuous engine bay exposure
• Direct-fit connector and port layout for straightforward replacement
• Helps reduce oil seepage and rough running caused by a failed vent valve

Fits These Machines

• for Mercedes ML320 2009-2011
• for Mercedes ML350 2009-2011
• for Mercedes E350 2011-2013

On-The-Job Use

• Scheduled engine maintenance and breather system service
• Diagnosing and correcting rough idle or oil consumption issues
• Restoring crankcase ventilation after a clogged valve
• Shop and DIY replacement work on the listed Mercedes models

Specs At A Glance

Good To Know

Q: What are the signs of a failing crankcase vent valve? A: Common symptoms include rough idle, oil leaks from seals, and excessive oil consumption. Replacing the valve restores proper crankcase pressure control.

Q: Is this a direct replacement valve? A: It is designed to match the factory mounting points and connections on the listed models. Confirm your engine variant and model year before ordering.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.