81.25902-0309 MAN RELAY

This relay is an electrically operated switch used to control a circuit, enabling or disabling the flow of electrical current. It's commonly found in the power supply systems of MAN vehicles, managing high-current loads with a low-current signal. This relay provides reliable and efficient circuit protection, improving system performance and longevity. It measures 25 x 25 x 35 mm and is manufactured in Hungary, with a MAN MPN of 81259020309. A relay is basically an electrically operated switch. It takes a relatively small electrical signal and uses that to control a much larger one. Think of it like a gatekeeper – a little nudge opens a big door. It allows a low – current circuit to control a high – current circuit. They handle things like headlights, the starter motor, the horn – anything that needs a lot of power to run. They’re scattered all over the vehicle, mostly in the under – hood electrical center, but sometimes you’ll find them in the body control module area too. They're part of a circuit, sitting between the power source and the device they’re controlling. They don’t make the power, they just direct it where it needs to go. They’re often used where running a high – current wire directly from a switch to the device would be impractical or unsafe. They protect the wiring and other components. Without a relay, those high – current devices would put a huge strain on your switches and wiring, leading to overheating and potentially a fire. It acts like a shield for the sensitive parts of your system. You’ll notice if a relay goes bad because the associated device – a headlight, the starter, whatever it is – will stop working, or might work intermittently. Sometimes you'll get nothing at all. We carry a pretty good selection of these at Fixparts Online, and matching the right one is key. It’s usually labeled with a part number that makes it easier to find the correct replacement. Backed by experts: Relay (MPN 81259020309) comes with a 12-month warranty!

About MAN

MAN Truck & Bus is a leading provider of commercial vehicles, specializing in trucks, buses, and industrial engines.

Why Choose MAN?

• MAN parts are built to last, using top-quality materials so you won’t have to replace them as often. • We have a huge selection of parts for many different vehicles, so you’re likely to find what you need. • Our parts are designed to fit perfectly, making installation easier and ensuring reliable performance. • We offer competitive prices without sacrificing quality, giving you the best value for your money. Performance you can rely on – MAN parts from FixParts Online.