at your Pontiac oil filter is working properly. How does your Pontiac oil filter works? Mounted at the side of the engine block, the oil filter is designed to clean the oil while being pumped through the car engine. During an oil change or refilling, debris or small dirt goes through with it and causes contamination to your engine, hence affecting its performance. But because there's the oil filter, this thing can be prevented. Now, you can have a smooth engine operation. Another function of the oil filter aside from filtering out those harmful elements that may cause damage to the engine, the oil filter also protects the engine by retaining a small amount of when the your car it at rest. The anti-drain valve that is equipped with the filter is the one responsible for the oil retention. Now, because of the importance of the oil filter, it is a must that when damaged already, replacement should be done. Actually, replacing your oil filter is a requirement in order to maintain the good operation of the engine. When it comes to Pontiac oil filter replacement, you can check out our catalog. Here, you will find the widest collection of auto replacement parts and accessories that are of best quality.