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. Your satisfaction is our priority: Pintle Nozzle (MPN 0434250009) includes a 12-month warranty!

About Bosch

Bosch is a global leader in automotive technology from Germany, celebrated for its innovative products and high-quality components. Based in Germany, Bosch drives advancements in vehicle safety and efficiency worldwide.

Why Choose Bosch?

• Bosch parts are known for being reliable and lasting a long time, saving you money in the long run. • They work well right out of the box, so you can get back on the road quickly and easily. • Bosch invests a lot in research and development, meaning they’re always improving their parts with the latest technology. • Whether you drive a newer car or an older one, Bosch has a wide range of parts to fit your vehicle. Bosch – trusted quality, available at FixParts Online!