2011-2020 Chevrolet Silverado 2500/3500 V8-6.0L/6.6L (AAM 9.25)Pro Series Front Differential Cover Black w/Machined Fins & Gear Oil

Part#:
46-71051B
Item Availability : Typically ships in 2-4 business days
$464.89 USD Save: $92.98 (20.00%) $371.91

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aFe POWER's AAM 9.25 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 reinforcing ribs for maximum strength and 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 cover 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.


  • Instructions
  • Dyno Chart


Vehicle Applications

Year Make Model SubModel Engine Fuel
2013-2019Chevrolet Silverado 2500 HD V8 6.0L CNG
2011-2019Chevrolet Silverado 2500 HD V8 6.0L Gas
2011-2020Chevrolet Silverado 2500 HD Duramax V8 6.6L (td) Diesel
2015-2019Chevrolet Silverado 3500 HD V8 6.0L CNG
2011-2019Chevrolet Silverado 3500 HD V8 6.0L Gas
2011-2020Chevrolet Silverado 3500 HD Duramax V8 6.6L (td) Diesel
2013-2019GMC Sierra 2500 HD V8 6.0L CNG
2011-2019GMC Sierra 2500 HD V8 6.0L Gas
2011-2020GMC Sierra 2500 HD Duramax V8 6.6L (td) Diesel
2015-2019GMC Sierra 3500 HD V8 6.0L CNG
2011-2019GMC Sierra 3500 HD V8 6.0L Gas
2011-2020GMC Sierra 3500 HD Duramax V8 6.6L (td) Diesel
More Information
Weight12.00 lbs
Parent Product TypePerformance Upgrades
Product TypesDifferentials
BrandAdvanced Flow Engineering
MakeChevrolet
ModelSilverado
Year2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020