2019-2021 Chevrolet Silverado Gas Trucks/SUV's (GMCH 9.5-12) Pro Series Rear Differential Cover Black w/ Machined Fins & Gear Oil

Part#:
46-71141B
Item Availability : Typically ships in 2-4 business days
$515.43 USD Save: $103.09 (20.00%) $412.34
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PRO Guard D2 Synthetic 75W-90 Gear Oil:
The supplied gear oil (4 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:
A calibration plug is set to the factory oil level to prevent overfilling.

Oil Level Sight Glass:
A pre-installed oil level sight glass allows quick and easy oil inspection.

Fitment Note:
This item fits vehicles equipped with GMCH 9.5 Rear axles.

Emissions Disclaimer:
This product does not require a CARB EO#.

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
2019-2021Cadillac Escalade V8 6.2L Gas
2019-2021Chevrolet Silverado 1500 L4 2.7L (t) Gas
2020-2021Chevrolet Silverado 1500 L6 3.0L (td) Diesel
2019-2021Chevrolet Silverado 1500 V6 4.3L Gas
2019-2021Chevrolet Silverado 1500 V8 5.3L Gas
2019-2021Chevrolet Silverado 1500 V8 6.2L Gas
2019-2021Chevrolet Suburban V8 5.3L Gas
2019-2021Chevrolet Suburban V8 6.2L Gas
2019-2021Chevrolet Tahoe V8 5.3L Gas
2019-2021Chevrolet Tahoe V8 6.2L Gas
2019-2021GMC Sierra 1500 L4 2.7L (t) Gas
2020-2021GMC Sierra 1500 L6 3.0L (td) Diesel
2019-2021GMC Sierra 1500 V6 4.3L Gas
2019-2021GMC Sierra 1500 V8 5.3L Gas
2019-2021GMC Sierra 1500 V8 6.2L Gas
2019-2021GMC Yukon V8 5.3L Gas
2019-2021GMC Yukon Denali V8 6.2L Gas
2019-2021GMC Yukon XL V8 5.3L Gas
2019-2021GMC Yukon XL Denali V8 6.2L Gas
More Information
Weight8.00 lbs
Parent Product TypePerformance Upgrades
Product TypesDifferentials
BrandAdvanced Flow Engineering
MakeChevrolet
ModelSilverado
Year2019, 2020, 2021