118104P400 Nissan POSITIVE CRANKCASE VENTILATION VALVE, Price: 100.20$, Weight: 0.435kg
| Make | Number | Name | Availability | Weight, kg | Ship in, Days | Price |
|---|---|---|---|---|---|---|
Nissan |
118104P400 |
POSITIVE CRANKCASE VENTILATION VALVE |
4 |
0.435 |
|
100.20$ |
Originals
| Make | Number | Name | Availability | Weight, kg | Processing, days | Price | |
|---|---|---|---|---|---|---|---|
| Nissan |
POSITIVE CRANKCASE VENTILATION VALVE
|
4 |
0.5
|
2-3
|
83.50$
|
Compatibility
| Body Style | Engine | Frame | Vehicle Grade | Market | Model | Model Year From | Diagram |
|---|---|---|---|---|---|---|---|
| SEDAN | RD28 | UJY31 | ORIGINAL | Japan | SY31 | 06.1991 | View |
| Body Style | Engine | Frame | Vehicle Grade | Market | Model | Model Year From | Diagram |
|---|---|---|---|---|---|---|---|
| SEDAN | RD28E | SK30 | LX/S | Japan | K30S | 08.1999 | View |
| Body Style | Engine | Frame | Vehicle Grade | Market | Model | Model Year From | Diagram |
|---|---|---|---|---|---|---|---|
| HARD TOP | RD28 | SC35 | MED | Japan | C35 | 06.1997 | View |
| Body Style | Engine | Vehicle Grade | Market | Model | Model Year From | Model Year To | Diagram |
|---|---|---|---|---|---|---|---|
| HARDTOP | RD28T | SLX | Europe (RHD) | Y60 | 08.1995 | 09.1997 | View |
| Body Style | Engine | Vehicle Grade | Market | Model | Model Year From | Model Year To | Diagram |
|---|---|---|---|---|---|---|---|
| HARDTOP | RD28TI | GR | General/Asia (RHD) | Y61 | 10.1997 | 03.2000 | View |
Engine Breather Control Valve (PCV) ️
This small but critical engine breather valve keeps crankcase fumes under control and protects seals, gaskets, and oil quality. It is needed because every engine creates blow-by gas; if that pressure stays inside, it pushes oil out, makes sludge, and upsets idle. ✅
How It Works ⚙️
The valve sits between the crankcase ventilation hose and the intake. Using a spring-loaded plunger, it meters vapor flow based on intake vacuum: higher vacuum at idle = tighter control, lower vacuum under load = more ventilation. This helps maintain stable air/fuel mixture while pulling moisture and fuel vapors out of the engine.
When It Fails
A stuck-closed valve can cause crankcase pressure, oil leaks, dipstick pop-out, and heavy sludge. A stuck-open or leaking valve can lead to rough idle, lean running, misfire, higher oil consumption, and increased carbon buildup. Replacing it restores proper breathing and smoother performance.
Key Benefits ⭐
- Reduces oil contamination and varnish
- Helps prevent gasket sweating and seal failures
- Supports cleaner intake and steadier idle
Compatibility ✅
- Patrol
- Safari
- Cedric/Gloria
- Crew
- Laurel