Gates EMH973 Engine Crankcase Vent Valve

Gates EMH973 Crankcase Vent Valve

The Gates EMH973 crankcase vent valve is an OE-exact replacement for emission control service. Built with a steel body and a single hose connector, it is made for direct fitment and straightforward installation on supported Chevrolet, Buick, Cadillac, GMC, Pontiac, and Saturn applications.

Gates’ Crankcase Vent Valve line focuses on restoring crankcase ventilation system operation with the correct fit and form for the vehicle. For drivers servicing a Chevrolet Equinox, GMC Terrain, or Cadillac CTS, this part number helps return the emission ventilation system to proper function without changing the original layout.

Key Features

• OE-exact crankcase vent valve replacement
• Steel construction for the valve body
• Single hose connector design
• Includes PCV valve content as listed
• Direct-fit service part for emission control repair
• Part number EMH973 for easy identification

Detailed Description

The Gates EMH973 is an engine crankcase vent valve used in the emission control system to regulate crankcase ventilation. It is specified for a wide range of GM vehicles, including the Chevrolet Impala, Chevrolet Malibu, Buick Enclave, Cadillac SRX, and GMC Acadia. This part is also cross-referenced to Standard Ignition V518 for the same application. When replacing a worn crankcase vent valve, EMH973 helps restore the intended ventilation path and supports normal engine operation in supported vehicles.

What It Helps Address

• Crankcase ventilation faults related to a worn or restricted valve
• Rough idle caused by improper crankcase pressure regulation
• Oil vapor control issues in the emission ventilation system
• Check engine light conditions tied to PCV or ventilation performance
• Fitment problems from an incorrect or non-OE-style replacement part

Installation Notes and Tips

Verify the original part number and hose connection style before installation. Confirm vehicle application by year, make, and model, especially on Chevrolet Equinox, Chevrolet Malibu, and Cadillac CTS listings. Inspect the surrounding ventilation hoses and connectors for wear or blockage before installing the new valve. The part is listed for N/A position applications.

Quality Assurance

Gates supplies OE-exact crankcase ventilation pressure regulators, PCV valves, and oil separators to help restore emission system performance and service life. EMH973 is built to match the intended application and support proper crankcase ventilation function in the listed vehicles.