Replace Mercury Cougar Motor Oil Pump. Order Mercury Cougar Oil Pumps Replacement. Purchase Mercury Cougar Oil Transfer Pump & Mercury Cougar Electric Oil Pump. Maintaining your Mercury Cougar's oil pump is vital for engine longevity, and recognizing early signs of wear such as low oil pressure or engine noise can save you from costly repairs. Extend its lifespan by using high-quality oil and changing it at regular intervals. When selecting a new oil pump, consider options such as standard volume or high-volume pumps, each designed to meet different engine demands. Always opt for durable materials and precision engineering to ensure efficient lubrication and cooling of engine components. For a seamless installation, follow the manufacturer's guidelines and consider a professional mechanic for optimal results, ensuring your Cougar runs smoothly with every drive.