Proper lubrication of your engine's parts is crucial to its performance. There's a reason why changing your oil is a part of routine maintenance, and it's because the cleaner the oil, the better your engine and car will run. When you do change the oil at your manufacturer's recommended timeframe, you should take care to change the oil filter as well. The filter is what keeps the oil clean as long as possible and what prevents any buildup from getting to the engine. We have lots of filters to choose from here.