Excess heat doesn't only harm your engine. While towing or doing some prolonged driving, heat can build up in your transmission and differential. Need a differential cover that both protects and helps maintain your differential? aFe's Pro Series Rear Differential Cover has everything you need! Made from durable cast aluminum so it can dissipate heat better, this cover has additional fins to help remove even more heat. Additionally, with a magnetic plug and oil level sight, this differential cover can help you find problems before they become expensive ones. Treat your truck right with aFe!