KS01001301 Bosch Piston Pump

This pump’s job is pretty straightforward. It takes fluid – usually power steering fluid – and pressurizes it. It’s basically a heart for your power steering system, constantly circulating that fluid. It doesn't actually steer the car, it just provides the force to make steering easier for you. It’s driven by the engine, usually with a belt, and then pushes that fluid through hoses to the steering gear. It’s a mechanical pump, meaning it uses moving parts – pistons, as the name suggests – to build up that pressure. Think of it this way: the steering wheel connects to a steering gear, which then moves the wheels. Without this pump, moving that steering gear would take a lot of muscle. This pump multiplies your effort. It helps you turn the wheel, especially at lower speeds or when you’re parked, without straining. It’s a core part of the power steering system, and most modern vehicles rely on it heavily. You’ll notice if it starts to fail, because steering will become significantly harder, especially when you’re moving slowly. It’s important because it directly impacts your ability to control the vehicle safely. If the pump fails completely, you lose power steering altogether, and it'll be like trying to steer an old truck without it. While you can still steer, it’ll require a lot more effort, and can be dangerous, especially in an emergency situation. A failing pump also puts extra strain on other parts of the system, like the steering gear and hoses. It acts like a shield, protecting those more expensive components from excessive wear. You can find replacements for these pretty easily – Fixparts Online carries a good selection, and it’s usually a manageable job for a mechanic. Proven by drivers: Piston Pump (MPN KS01001301) is backed by 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!