AFE POWER PRO SERIES REAR DIFFERENTIAL COVER: 2021 FORD BRONCO aFe Power has released the Pro Series Rear Differential Cover for the 2021 Ford Bronco! This differential cover features built-in internal and external fins that transfer heat from the oil to the outside air for maximum cooling, as well as an increased oil capacity over stock for better performance over a longer duration. This cover incorporates a magnetic drain plug to capture loose particles for maximum protection. Additionally, a calibration plug is set to the factory oil level to prevent overfilling. The Pro Series Rear Differential Cover is available in your choice of a Raw or Black powder-coated finish. Features: Constructed out of Durable Cast Aluminum Black Powder Coat or Raw Finish with Machined Fins Dual Neodymium Magnetic Plugs are Used for Maximum Gear Protection Large Oil Level Sight Glass and Calibration Plug Set to the Factory Oil Level Prevents Overfilling Fits Dana M220 Rear Axles Increased Oil Capacity:This cover has an increased oil capacity over stock for better performance over a longer duration. Built-in Internal/External Fins:Built-in internal and external fins transfer heat from the oil to the outside air for maximum cooling. Magnetic Plugs:This cover incorporates a magnetic drain and deep reach fill plug to capture loose particles for maximum protection. Calibration Plug:A calibration plug is set to the factory oil level to prevent overfilling. Oil Level Sight Glass:A pre-installed oil level sight glass allows quick and easy oil inspection. Fitment Note:This item fits vehicles equipped with Dana M220 Rear axles. Emissions Disclaimer:This product does not require a CARB EO#. When it comes to engineering for power, performance, protection and value, aFe POWER is the only choice.Download AFE Install file Here!