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. Next-gen performance: Radial Piston Pump (MPN 0445020204) is backed by a 12-month warranty!

About Bosch

With a heritage of innovation, Bosch provides dependable and efficient automotive components that set industry standards.

Why Choose Bosch?

• Bosch parts are known for lasting a long time, so you won't have to replace them often. • They're made with high-quality materials and tested thoroughly, meaning they perform reliably. • Bosch offers a wide range of parts, so you're likely to find what you need for almost any vehicle. • Mechanics and drivers around the world trust Bosch – it’s a name you can depend on. Drive with confidence – choose Bosch parts at FixParts Online.