This little piece is basically the final point where fuel gets sprayed into the engine. It’s the tip of the fuel injector. Inside the injector, you’ve got fuel under pretty high pressure, and the pintle nozzle has a tiny, precisely shaped hole – or multiple holes – that meters out just the right amount of fuel as a fine mist. It opens and closes incredibly fast, controlled by the engine's computer, to deliver fuel when and where it’s needed for combustion. It's really all about precision and atomization—turning the fuel into the smallest droplets possible for efficient burning. It's a crucial part of the fuel injection system, naturally. The engine’s computer tells the fuel injector how long to stay open, and the pintle nozzle is what actually delivers the fuel into the cylinder. It works along with the rest of the injector—the solenoid, the valve, everything—to get fuel into the engine so it can make power. Without a good pintle nozzle, the engine just won't run right. It's a small part with a huge job. A worn or clogged pintle nozzle can cause a whole lot of problems. You'll notice if it's failing because you'll probably get poor fuel economy, rough idling, maybe even a misfire. It really affects how cleanly and efficiently your engine burns fuel. If it's worn, the spray pattern is off, and the fuel doesn’t burn completely. If it's clogged, you're not getting enough fuel. It acts like a shield against imperfections in the fuel too, so a damaged nozzle lets more nasties through. You can find replacements readily enough – Fixparts Online carries a good range of them, and getting a new one is almost always cheaper than dealing with the consequences of a bad spray pattern. It’s one of those parts where a little investment upfront can save you a lot of headache down the road. Smart investment: Pintle Nozzle (MPN 0434250226) comes with a 12-month warranty!

About Bosch

Robert Bosch GmbH is a global leader in automotive technology, offering high-quality parts and systems that enhance vehicle efficiency, safety, and reliability.

Why Choose Bosch?

• Bosch parts are known for lasting a long time, so you won’t have to replace them often. • They perform reliably, helping to keep your vehicle running smoothly and safely. • Bosch invests a lot in research and development, meaning you’re getting the latest technology. • Mechanics trust Bosch, and that’s a good sign of quality and performance you can depend on. Bosch – trusted quality, available at FixParts Online!