Explore Mercury Cougar Wheel Hub Seal & Mercury Cougar Rear Axle Bearing And Seal Kit. Shop Mercury Cougar Bearing Seals Near Me. Find Mercury Cougar Axle Seal Replacement. Maintaining the rear wheel bearing seals of your Mercury Cougar is crucial to ensure a smooth ride and prevent premature tire wear. Regular inspection for signs of wear, such as grease leaks and odd noises from the wheel area, is key to determining when a replacement is necessary. To extend the lifespan of these components, avoid high-pressure car washes near the wheels and ensure proper installation. When selecting new seals, opt for high-quality materials like nitrile or silicone for their durability and resistance to extreme temperatures. For DIY enthusiasts, remember to clean the seating area thoroughly before fitting the new seal to ensure a secure fix and optimal performance.