118101LA0A Nissan POSITIVE CRANKCASE VENTILATION VALVE, Price: 21.06$, Weight: 0.01kg
| Make | Number | Name | Availability | Weight, kg | Ship in, Days | Price |
|---|---|---|---|---|---|---|
Nissan |
118101LA0A |
POSITIVE CRANKCASE VENTILATION VALVE |
0 |
0.01 |
|
21.06$ |
| Not Available | ||||||
Originals
| Make | Number | Name | Availability | Weight, kg | Processing, days | Price | |
|---|---|---|---|---|---|---|---|
| Nissan |
POSITIVE CRANKCASE VENTILATION VALVE
|
22 |
0.012
|
2-3
|
19.73$
|
Engine Crankcase Vent Valve (PCV)
This small but critical valve keeps your engine breathing correctly. It is needed to control crankcase fumes and route blow-by gases back into the intake, helping the engine stay clean, efficient, and within emission limits ?. Without proper ventilation, pressure builds up in the crankcase and can push oil past seals.
How It Works
The valve acts like a one-way, metered check valve. Engine vacuum pulls vapors from the crankcase, while the internal pintle/spring regulates flow depending on load. At idle it limits airflow to prevent a rough mixture; under acceleration it opens more to relieve pressure and reduce moisture and sludge formation.
Why Replacement Matters
If the valve sticks open, the engine may run lean, idle poorly, whistle, or trigger a check light. If it sticks closed, crankcase pressure rises, leading to oil leaks, oily air ducts, sludge, and even blown gaskets over time ?. A fresh valve restores stable breathing and protects seals, rings, and turbo/intake components where fitted.
Common Symptoms of a Faulty Vent Valve
- Oil seepage around valve cover or seals
- Rough idle or stalling
- Increased oil consumption
- Burnt-oil smell or smoke on acceleration
- Whistling/hissing from crankcase area
Compatibility
- Challenger