This pump basically takes fuel and cranks up the pressure. Think of it like squeezing a syringe—it takes a volume of fluid and forces it out with a lot more force. Specifically, it uses these little pistons arranged radially – like spokes on a wheel – moving in and out to build that pressure. It's not just pushing though, it's doing it very precisely and consistently. In modern diesel engines, particularly those with direct injection, this pump is key to getting the fuel into the cylinders. It’s part of the high – pressure fuel system. It sends highly pressurized fuel to the fuel injectors, and those injectors spray the fuel into the engine. Without the right pressure, the fuel won't atomize properly, and you’ll have poor combustion. It's often found in systems needing really high, consistent fuel delivery. If this pump fails, you’ll notice it pretty quickly. You’ll likely experience rough idling, loss of power, difficulty starting, or even a complete no – start situation. It’s a critical component for engine performance and efficiency. A failing pump can also put extra stress on other parts of the fuel system, so it’s best to address problems promptly. We carry a good selection of these, and you can also find options at places like Fixparts Online if you want to shop around. They’re not cheap, but a good pump will last a long time if it’s properly maintained. It essentially acts like a shield protecting the rest of your fuel system and ensuring everything runs smoothly. Built to last: Radial Piston Pump (MPN 0445020053) 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. FixParts Online – Your Trusted Source for Quality Bosch Auto Parts.