The aFe Power Front/Rear Diff Cover Kit is a performance-oriented upgrade designed for 2011–2019 GM diesel trucks with V8 engines, including models with AAM 9.25-12 and AAM 11.5-14 axles. This complete kit features front and rear differential covers constructed from durable cast aluminum with reinforced ribs, providing enhanced strength and improved heat dissipation under demanding driving conditions. The covers increase oil capacity over stock for better long-term performance and incorporate internal and external fins to maximize cooling efficiency. Additional features include magnetic drain plugs and deep reach fill plugs for capturing loose particles, a calibration plug set to factory oil levels to prevent overfilling, and an oil level sight glass for quick inspection. The package includes all necessary hardware and 6 quarts of premium PROGUARD Synthetic gear oil, exceeding API GL-5 standards for open and limited slip applications.
Designed for 2011–2019 GM diesel trucks with V8 engines, this bolt-on system is suitable for demanding applications such as towing, off-road, or heavy-duty use. It serves as a direct replacement and performance upgrade for stock differential covers, ensuring enhanced durability and heat management. The kit is ideal for owners seeking increased oil capacity, better protection against particles, and improved cooling for extended drivetrain longevity. Installation includes replacing existing covers with these reinforced aluminum units, which come complete with all hardware and oil. Suitable for both street and off-road use, this differential cover kit offers a reliable, high-performance solution for maintaining optimal drivetrain operation in tough conditions.
