Gates EMH923 Engine Crankcase Vent Valve - PCV Valve

Gates EMH923 Crankcase Vent Valve

The Gates EMH923 is an OE-exact crankcase vent valve for emission control service on select Hyundai, Kia, and Genesis vehicles. It is built with a plastic body and a single 5 mm (0.19 in.) hose connector for direct replacement of the original PCV valve.

Gates’ Crankcase Vent Valve line focuses on exact-fit emission ventilation components that restore proper crankcase pressure regulation and help return the system to normal operating performance. The EMH923 is a direct-fit service part for applications such as the Hyundai Elantra, Kia Forte, and Hyundai Tucson.

Key Features

• OE-exact crankcase vent valve replacement
• Plastic construction
• Single hose connector
• 5 mm (0.19 in.) inside diameter
• Direct replacement for the PCV valve location
• Part number: EMH923

Detailed Description

The Gates EMH923 crankcase vent valve is engineered for emission control systems that rely on stable crankcase ventilation and pressure regulation. By matching the original fit and connector size, it supports straightforward service on vehicles including the Hyundai Elantra, Hyundai Sonata, Kia Optima, Kia Sportage, and related applications listed below. This part cross-references Hyundai/Kia OE number 267402G000 for the same application.

Use EMH923 when replacing a worn or malfunctioning PCV valve on vehicles such as the 2011-2021 Hyundai Elantra, 2014-2022 Kia Forte, or 2010-2016 Hyundai Tucson. The Gates EMH923 is also listed for the 2019-2024 Kia Soul, 2019-2021 Hyundai Kona, and 2020-2021 Hyundai Tucson, making it a practical service part for a wide range of late-model Asian vehicles.

What It Helps Address

• Excess crankcase pressure
• Rough idle related to ventilation flow issues
• Oil vapor control concerns in the emission ventilation system
• Check engine conditions tied to PCV valve performance
• Reduced ventilation system efficiency from a worn valve

Installation Notes and Tips

Confirm the original valve style, hose connection size, and vehicle application before installation. The EMH923 uses one hose connector and a 5 mm inside diameter, so matching the OE routing and connector fit is important for proper sealing and function. Verify the PCV valve location on the engine before service and inspect nearby hoses for wear or cracking during replacement.

Quality Assurance

Gates manufactures this crankcase vent valve as an OE-exact replacement part for emission ventilation service. The design emphasis is on correct fit, straightforward installation, and restoring the system to intended operation on supported Hyundai, Kia, and Genesis applications.