aFe POWER rear 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. A 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 has a raw finish with 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 calibration plug:
A 1/8" NPT calibration plug is set to the factory fluid level which eliminates accidental overfilling.

Optional Accessories Available:
This cover works great combined with a oil level sight glass (Part Number: 46-00001)

Fits:
2017-2018 Ford Super Duty F-350/F-450 V8-6.7L Power Stroke w/ M300-14 Bolt, Dual Rear Wheel Axles. Does not fit single rear wheel axle.

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