Gates EMH973 Engine Crankcase Vent Valve PCV Valve

The Gates EMH973 Engine Crankcase Vent Valve is a precision-engineered PCV (Positive Crankcase Ventilation) valve designed for passenger-side installation on select GM vehicles equipped with 3.6L V6 engines. This critical emission control component regulates the flow of crankcase gases back into the intake system, helping maintain proper engine vacuum and preventing harmful pressure buildup.

Key Features:

• Direct-fit replacement ensures OE-exact fit and easy installation
• High-quality materials are resistant to oil and heat for long-lasting durability
• Prevents oil and vapor leaks from the crankcase ventilation system
• 1/4" (7mm) inside diameter for proper flow characteristics
• Engineered to meet or exceed OEM specifications
• Passenger side (right side) mounting position

As a leading manufacturer of automotive components since 1911, Gates produces emission control parts that are trusted by professional technicians and DIY enthusiasts alike. This crankcase vent valve is manufactured with strict quality control standards to ensure reliable performance and proper emission system function. When your PCV valve fails, symptoms may include rough idle, increased oil consumption, or illuminated check engine lights—making timely replacement essential for optimal engine performance.