This little guy basically monitors the oil pressure inside your engine. It’s an electrical sensor—it doesn’t create pressure, it just reads it. It sends a signal to your engine’s computer, and sometimes directly to the warning light on your dashboard. It’s a pretty simple on/off type of deal; if the pressure is good, it sends a signal saying everything’s fine. If the pressure drops too low, it cuts off that signal, triggering the warning light. Think of it like a guard watching the oil supply. It’s not doing the work of keeping everything lubricated, but it’s letting you know if the lubrication system is failing. It’s usually screwed into the engine block where it can “see” the oil flow, often near the oil filter or somewhere accessible. It works alongside the oil pump; the pump creates the pressure, and this switch tells you if that pressure is there. Sometimes it also controls the transmission – some vehicles use the signal to allow the transmission to shift properly. Well, low oil pressure is a really big deal. It means parts of your engine aren’t getting the lubrication they need, and that can cause serious, expensive damage. It’s like running metal on metal. The switch acts like a shield, alerting you to a potential problem before something catastrophic happens. You’ll notice if it’s failing usually because your oil pressure light will either stay on constantly or flicker. A bad switch can even cause your engine to run poorly. You can find replacements pretty easily; we stock a lot of them at Fixparts Online, and there are other sources too of course. Getting it sorted quickly is important to avoid bigger issues down the road. Buy risk-free: Oil Pressure Switch (MPN 0986344040) is covered by a 12-month warranty!

About Bosch

Robert Bosch GmbH is a global leader in automotive technology, offering high-quality parts and systems that enhance vehicle efficiency, safety, and reliability.

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 – trusted quality, available at FixParts Online!