An oil filter is a crucial component in an internal combustion engine that helps maintain the engine's health. It removes contaminants and impurities from the engine oil, ensuring that the oil remains clean and effective in lubricating the engine parts. This process helps prevent wear and tear, extending the life of the engine. Regularly changing the oil filter is essential for optimal engine performance. A clogged or dirty filter can restrict oil flow, leading to increased friction and potential engine damage. By replacing the oil filter during routine maintenance, vehicle owners can ensure their engines run smoothly and efficiently.