11810JF00A Nissan POSITIVE CRANKCASE VENTILATION VALVE, Price: 25.58$, Weight: 0.01kg


Make Number Name Availability Weight, kg Ship in, Days Price

Nissan

11810JF00A

POSITIVE CRANKCASE VENTILATION VALVE

27

0.01

 Dispatch 24h

25.58$

 

Originals

Make Number Name Availability Weight, kg Processing, days Price  
Nissan
11810JF00A 
POSITIVE CRANKCASE VENTILATION VALVE
27
0.012
2-3
21.32$
 

Compatibility

Body StyleEngineVehicle GradeMarketModelModel Year FromModel Year ToDiagram
COUPEVR38DETTBLACKGeneral/Asia (LHD)R3511.201308.2017 View

Engine Crankcase Vent Valve (PCV) for Cleaner Running

This small valve is a big reason your engine stays clean and stable. It is needed to control crankcase fumes (blow-by gases) and route them back into the intake to be burned again. That reduces oil contamination, lowers emissions, and helps prevent sludge buildup ?️.

How It Works

The valve uses engine vacuum and a spring-loaded pintle to meter airflow from the crankcase. At idle, it restricts flow to keep the air/fuel mix steady. Under load, it opens more to release extra pressure safely. This keeps seals protected and helps maintain smooth idle and good fuel economy.

What Happens If It Fails

If it sticks open, you may get rough idle, lean running, misfires, and higher fuel use. If it sticks closed, crankcase pressure rises—often causing oil leaks, oil smell, smoke, and sludge. A clogged or weak valve can also trigger warning lights and reduce overall engine life ⚠️.

When to Replace

Replace if you notice whistling, excessive oil in the intake, unstable idle, or repeated gasket leaks. Regular service keeps the ventilation system working as designed.

Compatibility

  • 6 Wagon