The oil pump is a critical part of your vehicle's lubrication system. Its primary function is to draw oil from the oil pan and circulate it under pressure throughout the engine. This circulation is vital for lubricating moving parts, reducing friction, and dissipating heat. A failing oil pump can lead to severe engine damage due to lack of lubrication. Symptoms may include low oil pressure warnings, engine knocking noises, or a general decrease in engine performance. Regular maintenance and timely replacement of this component are crucial for engine longevity.