Mercedes-Benz Passenger A1390304200 Vibration Damper

Description

The VIBRATION DAMPER is a precision component designed to absorb engine vibrations, ensuring smoother operation. It is used on Mercedes-Benz Passenger engines to dampen oscillations in the tensioner system. This part offers reliable vibration control, extends component life, and maintains optimal engine performance. The unit measures 90 × 260 × 280 mm and is manufactured in Germany. MPN: A1390304200

Key Features & Benefits

This part really does one main thing – it absorbs and reduces vibrations coming from the engine, specifically from things like the crankshaft. It's basically a tuned mass damper, a weighted component designed to counter the engine’s natural frequencies. It has an outer ring and an inner hub with a viscous fluid or rubber between them. As the engine rotates and creates those vibrations, the damper allows the outer ring to move slightly, which absorbs a lot of that energy. It’s part of the front of the engine, usually mounted on the crankshaft. You'll find it helping to keep things smooth. It doesn’t directly make the engine run, but it keeps everything from shaking apart. Without it, those vibrations travel through the engine and the whole vehicle.

Symptoms, Risks & Replacements

It’s really important for a few reasons. First, it protects other engine components – things like the crankshaft, belts, and even the engine mounts themselves. It acts like a shield against wear and tear caused by constant shaking. Second, it dramatically improves ride comfort. You’ll notice if this thing fails – usually it’s increased engine noise and a noticeable shaking in the cabin, especially at certain RPMs. A failing damper can also cause premature wear on the belts and pulleys, and could eventually lead to more serious engine damage. You can find a good replacement at places like Fixparts Online, and honestly, if you’re noticing symptoms, it’s best to address it before it becomes a bigger issue.

Warranty Information

Mercedes-Benz Passenger Vibration Damper (MPN A1390304200) comes with a 1-year warranty.