Basically, this pump is responsible for moving fuel from the tank to the high – pressure pump, and then onward to the engine. It doesn’t make the pressure, it just gets the fuel flowing consistently. It's an earlier stage in the fuel delivery process. It works a bit like a helper, prepping the fuel before the main pump does the heavy lifting. Some systems might use it to prime the fuel line too, getting everything wet and ready to go before you start the engine. It's part of the overall fuel delivery system, obviously. Think of it as one of the early steps. It sits between the fuel tank and the high – pressure fuel pump. Without it, the high – pressure pump would struggle to pull fuel and you'd have all sorts of running issues. It’s typically found under the rear seat or sometimes near the fuel tank itself, depending on the vehicle. If this pump starts to fail, you’ll notice if you have trouble starting, especially after the car has been sitting for a while. The engine might stumble or run rough, and you'll likely get a loss of power. It doesn’t usually cause a complete stop right away, but it’ll definitely make itself known. A failing pump can strain the high – pressure pump, potentially leading to more expensive repairs down the road. It acts like a shield for the rest of the fuel system, preventing debris from reaching the more sensitive components. We carry these at Fixparts Online, and generally keeping the fuel filter changed alongside the supply pump will help prolong the life of everything. Built to last: Supply Pump (MPN 0440008989) comes with a 12-month warranty for your assurance!

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 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 delivers excellence, FixParts Online delivers to your door.