aFe Power's new front 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 for maximum strength. This cover comes with all necessary hardware for easy installation. Pro Series differential covers include an oil level sight glass and magnetic deep reach fill plug. This cover is finished with black powder-coating and machined fins for a distinctive look. PRO Guard D2 Synthetic 75W-90 Gear Oil: The supplied gear oil (2 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 Internal/External Fins: Built-in internal and external fins transfer heat from the oil to the outside air for maximum cooling. Magnetic Plugs: This system incorporates a magnetic drain and deep reach fill plug to capture loose particles for maximum protection. Calibration Plug: Calibration plug set to the factory oil level to eliminate overfilling. Oil Level Sight Glass: A pre-installed oil level sight glass allows quick and easy oil inspection. When it comes to engineering for power, performance, protection and value, aFe Power is the only choice.
Installation Instructions
Material Safety Data Sheet


This Part Fits:

Year	Make	Model	Submodel
2015-2020	Chevrolet	Silverado 2500 HD	High Country
2011-2020	Chevrolet	Silverado 2500 HD	LT
2011-2020	Chevrolet	Silverado 2500 HD	LTZ
2011-2020	Chevrolet	Silverado 2500 HD	WT
2015-2020	Chevrolet	Silverado 3500 HD	High Country
2011-2020	Chevrolet	Silverado 3500 HD	LT
2011-2020	Chevrolet	Silverado 3500 HD	LTZ
2011-2020	Chevrolet	Silverado 3500 HD	WT
2020	GMC	Sierra 2500 HD	AT4
2015-2020	GMC	Sierra 2500 HD	Base
2011-2020	GMC	Sierra 2500 HD	Denali
2011-2020	GMC	Sierra 2500 HD	SLE
2011-2020	GMC	Sierra 2500 HD	SLT
2011-2014	GMC	Sierra 2500 HD	WT
2020	GMC	Sierra 3500 HD	AT4
2015-2020	GMC	Sierra 3500 HD	Base
2011-2020	GMC	Sierra 3500 HD	Denali
2011-2020	GMC	Sierra 3500 HD	SLE
2011-2020	GMC	Sierra 3500 HD	SLT
2011-2014	GMC	Sierra 3500 HD	WT