aFe Power's new rear differential cover brings performance engineering to the protection of your axle's differential. This differential cover is constructed out of durable cast aluminum with reinforced ribs and wrinkle black powder-coating with machined fins for maximum strength and styling. This cover comes with all necessary hardware and includes an O-ring for a leak-free seal. The Pro Series differential covers include a oil level sight glass and deep reach magnetic dip stick for maximum protection. This cover fits the Ford F-250/F-350-Excursion 10.25 & 10.50-12 Bolt axles.


5 Quart Oil Capacity:

This cover has a 5 quart capacity.


Built-in Internal/External Fins:

Built-in internal and external fins transfer heat from the fluid to the outside air for maximum cooling.


Magnetic Drain Plug:

This system incorporates a magnetic drain plug to capture loose particles for maximum rear-end protection. Also included is a 1/8" NPT calibration plug that is set to the factory fluid level which eliminates accidental overfilling.


Optional Accessories Available:

Our optional oil level sight glass (Part Number: 46-00001) and deep reach magnetic fill plug (Part Number: 46-00002) are great additions to combine with this cover.


Fitment Note:

This items will NOT fit Dually models. Please refer to P/N: 46-70030


When it comes to engineering for power, performance, protection and value, aFe Power is the only choice.

AFE 12-10.25 & 10.50 Differential Cover