Gates EMH933 Engine Crankcase Vent Valve - Oil Separator

Gates EMH933 Crankcase Vent Valve Overview

The Gates EMH933 crankcase vent valve is an OE-exact replacement for the engine crankcase ventilation system. Built with plastic, aluminum, and rubber materials, it is made for accurate fitment and straightforward installation while helping restore proper emission ventilation performance.

Compatible with Volvo S60, V60, XC60, S80, and XC70 applications, this Gates crankcase vent valve is a direct-fit service part for oil separator locations. The EMH933 is a practical choice when servicing a Volvo crankcase ventilation system that needs a precise replacement valve.

Key Features

• OE-exact crankcase ventilation pressure regulator / PCV valve design
• Constructed from plastic, aluminum, and rubber for application-specific fitment
• Single hose connector layout for direct replacement use
• Inside diameter: 13 mm (0.5 in.)
• Fits oil separator positions on select Volvo models
• Gates EMH933 part number for easy identification

Product Details

The Gates EMH933 is part of Gates’ crankcase vent valve line, which focuses on OE-style replacement components for crankcase ventilation service. This product line includes pressure regulators, PCV valves, and oil separators engineered to match original fit and restore normal ventilation system operation. For drivers and technicians servicing a Volvo S60, V60, XC60, S80, or XC70, the EMH933 provides a direct replacement option for the crankcase ventilation valve at the oil separator location.

This part cross-references Dorman - OE Solutions 264-933 for the same application.

What It Helps Address

• Crankcase pressure regulation issues
• Faulty PCV valve operation
• Oil separator ventilation service needs
• Emission system performance concerns related to crankcase ventilation
• Fitment problems caused by worn or incorrect replacement valves

Installation Notes and Tips

Verify the vehicle year, model, and oil separator application before installation. Confirm the hose connector size and the 13 mm inside diameter match the original part. Inspect connected hoses and surrounding ventilation components for wear, cracking, or contamination during service to help ensure a proper repair.

Quality Assurance

Gates manufactures this crankcase vent valve as an OE-exact replacement component for emission ventilation service. The EMH933 is built to restore the crankcase ventilation system to proper operating condition with application-specific fit and materials selected for the part’s intended use.