aFe Pro Series Front Diff Cover Black w/ Machined Fins 17-21 Ford Trucks (Dana 60) w/ Gear Oil - 46-71101B

PRO Guard D2 Synthetic 75W-90 Gear Oil: The supplied gear oil (4 quarts) exceeds the performance requirements of API GL-5 recommended for both open and limited slip applications.
Increased Oil Capacity: This cover has an increased oil capacity over stock for better performance over a longer duration.
Built-in External Fins: Built-in 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: An oil level sight glass allows quick and easy oil inspection.
Fitment Note: This item fits vehicles equipped with Dana 60 front 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.