MAHLE MG804 Alternator

Description

The MAHLE MG804 is an alternator responsible for generating electrical power in a vehicle to run accessories and recharge the battery. It is a critical component within the engine electronics system, typically found in the engine bay. This alternator delivers consistent voltage, improving the reliability of the vehicle's electrical systems and extending battery life. It's manufactured to exacting standards for consistent performance. The dimensions of this unit are 205 x 230 x 305 mm and it is manufactured in China.

Key Features & Benefits

Basically, the alternator's job is to turn mechanical energy from the engine into electrical energy. It’s like a little power plant under the hood. It recharges your battery while you drive, and then supplies power for everything electrical – lights, radio, power windows, even the stuff controlling the engine itself. It’s constantly working when the engine is running. Think of it this way: the battery starts everything, gives it that initial kick, but the alternator keeps everything running while you’re driving. The battery really shouldn’t be doing all the work all the time. The alternator takes over and provides the consistent power needed to operate everything. It’s connected to the engine by a belt, so as the engine spins, it spins the alternator.

Symptoms, Risks & Replacements

If the alternator goes bad, things will start failing. At first, you might notice dimming headlights, or the battery warning light coming on in the dash. You’ll notice if your electrical systems start acting a little wonky – maybe the radio cuts in and out, or the windows are slow. Eventually, the car might struggle to start, or even die while you’re driving because the battery is drained. It’s a pretty critical component. If you suspect it's failing, it’s best to get it checked out promptly. You can find a good selection of alternators, along with helpful diagrams, over at Fixparts Online, if you want to browse. But getting it diagnosed properly is always a good first step. It acts like a shield protecting your battery and keeping all your electrical systems functioning properly.

Warranty Information

MAHLE Alternator (MPN MG804) comes with a 1-year warranty.