Gear oils, which play a crucial role in the automotive sector, ensure the healthy and efficient operation of your vehicle's gear systems. 140W gear oils are a viscosity grade preferred especially for vehicles operating under heavy loads. These oils prevent gear teeth from wearing out, reduce fluid friction, and enhance performance. They protect your vehicle's engine and ensure its longevity. You can choose the right oil for your vehicle by browsing the range of 140W gear oils in the automotive oils category.