Fits: 2015–2023 Ford F-150 aFe46-71180ADiff CoversIncreased 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 Plug: This cover incorporates a magnetic drain plug to capture loose particles for maximum protection. Calibration Plug: A calibration plug is set to the factory oil level to prevent overfilling. Optional Accessories Available: Our optional deep reach magnetic fill plug (PN: 46-00002) is a great addition to combine with this cover. Fitment Note: This item fits trucks equipped with Super 8.8 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.aFe Street Series differential covers bring the power and performance with a dash of style. Constructed out of durable die-cast aluminum, these aFe Street covers are designed with reinforced ribs for maximum strength. Plus, they feature built-in fins that transfer heat from the fluid to the outside air for maximum cooling. The covers are fitted with Neodymium magnetic drain plugs that capture loose particles to provide maximum gear protection, plus 1/8 in. NPT calibration plugs that are set to the factory fluid level for easier/quicker filling and eliminate accidental overfilling. You can choose raw or black powdercoated finishes with machined ribs for style. aFe Street Series differential covers are engineered to be your only choice for best-in-class protection, performance, and value.