Wunderlich - Oil Cooler Protection Extreme for Ducati Multistrada V4To ensure an oil cooler can deliver optimal cooling, it needs optimal air flowing through from the air flow as you ride. This is why its located on the bottom end of the fairing, beneath the radiator. This has a serious disadvantage though: the oil cooler sits directly behind the front wheel and therefore right in the path of whirled up dirt, stones and foreign bodies that hit the delicate fins of the oil cooler. Dirt and insects clog up the cooler