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 constant flow of oil is vital for reducing friction between moving parts, dissipating heat, and preventing premature wear. A failing oil pump can lead to severe engine damage due to lack of lubrication. Symptoms may include low oil pressure warnings, engine knocking sounds, or an illuminated oil pressure light. Regular maintenance and timely replacement of this component are crucial for engine longevity.