URO 6420101891 PCV Valve

PCV Valve for Mercedes-Benz and Jeep Applications

This URO PCV valve, part number 6420101891, is an OE-dimension replacement for crankcase ventilation service on select Mercedes-Benz and Jeep models. It helps restore proper crankcase evacuation and intake airflow when the original valve is plugged or sticking.

• OE-style replacement PCV valve for crankcase ventilation service
• Restores air/fuel balance by routing crankcase vapors into the intake
• Helps reduce oil buildup in the intake tract
• Manufactured to OE dimensions for straightforward installation and original appearance
• PA6 housing with heat- and oil-resistant valve materials
• Bolted-on mount with 2 hose connectors and 90-degree nipple orientation
• Includes gasket or seal and cap

Detailed Product Overview

URO 6420101891 is a diaphragm-style PCV valve built for emission control and crankcase ventilation service. It uses a black PA6 body, a round male connector shape, and a bolted-on attachment method with two hose connections. The valve is specified with a 16.8 mm inlet diameter and a 23.8 mm outlet port diameter, and it is made to OE dimensions for a direct replacement appearance and fit.

This part cross-references VAICO V30-2620 and Standard Ignition V581 for the same application. It is used on select 2007-2009 Jeep Grand Cherokee, 2007-2009 Mercedes-Benz E320, 2007-2008 Mercedes-Benz GL320, 2007-2009 Mercedes-Benz ML320, 2007-2009 Mercedes-Benz R320, and 2009 Mercedes-Benz GL320 models. Search terms such as Mercedes-Benz E320 PCV valve replacement, Jeep Grand Cherokee crankcase ventilation valve, and Mercedes-Benz ML320 emission control valve apply to this part number 6420101891.

What This Part Helps Address

• Sticking or plugged PCV valve operation
• Excess crankcase vapor buildup
• Oil accumulation in the intake system
• Rough engine performance caused by ventilation restriction
• Air/fuel ratio issues related to crankcase ventilation flow

Installation Notes

Verify the vehicle code and hose routing before installation, especially on 2009 Mercedes-Benz GL320 models noted for Code U42 and not for Code 800. Hose is not included, so reuse or source the correct hose separately. Confirm the inlet and outlet sizes, connector count, and bolted mount style match the original part before installation.

Quality Assurance

URO manufactures this PCV valve to OE dimensions and uses materials selected to resist engine heat and vaporized oil exposure. Part number 6420101891 is backed by a 24 Month Unlimited Mileage Warranty.