Genuine 11810AA131 PCV Valve Complete Control

The Genuine Subaru 11810AA131 PCV (Positive Crankcase Ventilation) Valve is an OEM component designed to regulate the flow of gases between the crankcase and intake manifold, ensuring optimal engine performance and emissions control. This genuine crankcase ventilation valve prevents the release of excess oil from your vehicle's crankcase and controls the amount of vacuum power that your engine applies to the crankcase.

Key Features:

• Constructed from high-quality, durable metal engineered to withstand demanding engine conditions including heat, oil, and pressure fluctuations
• Functions as a one-way check valve for forced induction or backfiring
• Helps your engine produce extra power and delivers less windage and oil aeration
• Direct OEM replacement ensuring a seamless fit without modifications
• Replaces part number 11810AA130

If your PCV system is malfunctioning, you may notice symptoms such as tailpipe smoke, high or erratic engine idle speed, a dipstick that won't stay in the tube, or an oil cap that hisses while the engine is running. Regular PCV inspections are essential to keeping your car's components in good working condition, and replacement may be needed if the part causes oil leaks or frequent engine stalling.