118351W601 Nissan PIPE ASSY-BLOW BY, Price: 39.29$, Weight: 0.69kg
| Make | Number | Name | Availability | Weight, kg | Ship in, Days | Price |
|---|---|---|---|---|---|---|
Nissan |
118351W601 |
PIPE ASSY-BLOW BY |
0 |
0.69 |
|
39.29$ |
| Not Available | ||||||
Originals
| Make | Number | Name | Availability | Weight, kg | Processing, days | Price | |
|---|---|---|---|---|---|---|---|
| Nissan |
PIPE ASSY-BLOW BY
|
0 |
0.794
|
-
|
32.74$
|
Not Available |
Crankcase Blow‑By Pipe Assembly
This high‑grade breather tube routes engine blow‑by gases back into the intake for clean, efficient combustion. It is a key link in the PCV system, keeping crankcase pressure balanced, oil mist under control, and emissions within spec. Built to OE geometry, it preserves correct routing and avoids kinks .
Why this part is needed
Engines create vapor and fumes that must be vented. This pipe carries those vapors safely, preventing moisture and acids from building up in the oil, reducing sludge, and protecting seals and gaskets. It also helps maintain stable idle and fuel trims ️.
How it works
Under manifold vacuum, gases move from the valve cover through the pipe, across the PCV valve, and into the intake. The hose’s molded bends keep flow smooth, while oil droplets condense along the walls and return to the head. Proper vacuum equals steady performance and clean burn.
What happens if it’s broken
Cracks, hardening, or blockage cause unmetered air leaks: rough idle, stalling, whistle noises, oil smell, increased fuel use, and lean codes (e.g., P0171). Excess pressure can push oil past seals, creating leaks. Expect higher emissions and a Check Engine light ⚠️.
Tech tips
Replace brittle hoses proactively at 60–90k miles. Use new clamps, verify the PCV valve, and follow the original routing. Warm the hose for easier fit. Oil‑ and heat‑resistant compound ensures long service life ♻️.
Compatibility
- Qx4