URO 6420101891A Engine Crankcase Vent Valve

Engine Crankcase Vent Valve for European Applications

This URO engine crankcase vent valve is a direct replacement for select European and Jeep applications that use the listed crankcase ventilation setup. It is built to meet or exceed OEM specifications and is a practical choice for restoring proper crankcase ventilation on the 2007-2009 Jeep Grand Cherokee, Mercedes-Benz E320, GL320, ML320, and R320.

Part number 6420101891A is also referenced in aftermarket catalogs for related OE applications, making it easier to confirm the correct replacement before ordering.

Key Features

• Engine crankcase vent valve for emission control service
• URO replacement part engineered to meet or exceed OEM specifications
• Includes hose for the listed applications
• Direct-fit replacement for select 2007-2009 Jeep and Mercedes-Benz models
• Suitable for professional repair shops and DIY maintenance

Detailed Description

The URO 6420101891A crankcase vent valve is part of the emission control system and helps maintain proper crankcase ventilation on compatible vehicles. This component is commonly searched as a crankcase ventilation valve, PCV-related valve, or engine breather valve for the 2007-2009 Jeep Grand Cherokee and Mercedes-Benz E320, GL320, ML320, and R320. URO Parts focuses on replacement components that provide an OE-style solution for European vehicles, and this part is intended for owners and technicians replacing a worn or failed ventilation valve assembly.

This part cross-references Standard Ignition V581 for the same application.

What It Helps Address

• Crankcase pressure buildup
• Oil vapor management issues
• Rough idle related to ventilation faults
• Vacuum leaks from a failing vent valve assembly
• Check engine light concerns tied to crankcase ventilation performance

Installation Notes and Tips

• Verify the part number and hose configuration against the original component before installation.
• Inspect connected hoses and seals for cracks, soft spots, or oil saturation during replacement.
• Confirm the vehicle application by year and model: Fits 2007-2009 Jeep Grand Cherokee, N/A; Fits 2007-2009 Mercedes-Benz E320, N/A; Fits 2007-2009 Mercedes-Benz GL320, N/A; Fits 2007-2009 Mercedes-Benz ML320, N/A; Fits 2007-2009 Mercedes-Benz R320, N/A.
• Clear any stored fault codes after repair and verify normal crankcase ventilation operation.

Quality Assurance

URO Parts components are manufactured as replacement parts for European vehicles and are positioned as OE-specification alternatives for professional and DIY repair. URO also offers problem-solving upgraded components through its Premium line, backed by an unlimited mileage, lifetime warranty; this listing is for the standard URO replacement part.