8971198110 Isuzu NOZZLE ASM; INJ, Price: 102.04$, Weight: 0.38kg
| Make | Number | Name | Availability | Weight, kg | Ship in, Days | Price |
|---|---|---|---|---|---|---|
Isuzu |
8971198110 |
NOZZLE ASM; INJ |
3 |
0.38 |
2-3 |
102.04$ |
Diesel Injector Nozzle Assembly for Isuzu Engines
? This precision diesel fuel nozzle assembly is a key wear item in many Isuzu diesel injection systems. It is needed to meter and atomize fuel at very high pressure so the engine can start easily, idle smoothly, and pull strongly under load.
How This Part Works
⛽ Fuel from the injection pump (or rail system) is forced into the nozzle body. Inside, a finely fitted needle lifts at a set pressure and releases fuel through micro-holes in a controlled spray pattern. That mist mixes with air in the cylinder, allowing clean, efficient combustion and helping protect pistons and valves from hot spots.
Why Replacement Matters
? Over time, heat, carbon, and fuel contamination can erode the tip or cause the needle to stick. A fresh nozzle restores correct spray shape, reduces smoke, improves fuel economy, and helps the engine meet emission expectations.
Signs of a Failed Nozzle
⚠️ If the nozzle is worn or damaged, you may notice hard starting, rough idle, diesel knock, loss of power, black/white smoke, higher fuel use, and even diluted engine oil from over-fueling. Ignoring it can lead to misfire, overheating, piston damage, and turbo stress.