2017-2021 Ford F250 Diesel Trucks V8-6.7L (td) (Dana M275-14) aFe POWER Pro Series Rear Differential Cover Black w/ Gear Oil

Part#:
46-70352-WL
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aFe POWER Pro Series differential cover brings performance engineering to the protection of your axle's differential. This differential cover is constructed out of durable A356-T6 cast aluminum with reinforcing ribs for maximum strength. Mounting hardware is included for a hassle-free installation. An oil level sight glass and calibration plug set to the factory level prevents overfilling of the differential. A magnetic drain plug and a deep reach magnetic fill plug are provided for maximum protection. This cover is finished with black powder-coating and machined fins for a distinctive look.

5 Quart Gear Oil Capacity:
This cover has about a 5 quart gear oil capacity at the factory fill level, factory cover holds about 4 quarts.

Built-in Cooling Fins:
Built-in internal and external cooling fins increase surface area to maximize cooling of the differential oil.

Magnetic Drain/Fill Plug:
This system incorporates a magnetic drain and deep reach fill plug that captures loose particles for maximum rear-end protection.

Oil Level Sight Glass:
Large oil level sight glass with 1/8'' NPT calibration plug set to the factory fluid level to eliminate overfilling.

Pro Guard D2 Synthetic Gear Oil:
This competition proven formulation utilizes a group IV synthetic base along with a proprietary additive package that reduces drag, resist foaming and maintains its viscosity under extreme heat and high loads.

Fitment Note:
This item fits Dana M275-14 bolt rear axles
This item will not fit dual rear wheel axles

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


  • Instructions
  • Dyno Chart


Vehicle Applications

Year Make Model SubModel Engine Fuel
2017-2021Ford F-250 Super Duty Power-Stroke V8 6.7L (td) Diesel
2017-2021Ford F-350 Super Duty Power-Stroke V8 6.7L (td) Diesel
More Information
Weight26.00 lbs
Parent Product TypePerformance Upgrades
Product TypesDifferentials
BrandAdvanced Flow Engineering
MakeFord
ModelSuper Duty
Year2017, 2018, 2019, 2020, 2021