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Pro Series Rear Differential Cover Black w/ Machined Fins & Gear Oil

GM Gas Trucks 14-19
I4-2.7L, V6-4.3L, V8-5.3L/6.2L
(AAM 9.5/9.76)
Part Number: 46-71121B

MSRP: $540.18


  • Constructed out of durable cast aluminum
  • Black powder-coating with machined fins
  • Dual neodymium magnetic plugs are used for maximum gear protection
  • Large oil level sight glass with calibration plug set to the factory oil level to eliminate overfilling
  • Includes 4-qts. PRO Guard D2 synthetic 75W-90 oil
  • Fits AAM 9.5/9.76 rear axles
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AXLE Comparison img

aFe Power's new rear 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 (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:
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.


Vehicle Applications

Year Make Model SubModel Engine Fuel
2015-2019Cadillac Escalade V8 6.2L Gas
2014-2019Chevrolet Silverado V6 4.3L Gas
2014-2019Chevrolet Silverado V8 5.3L Gas
2014-2019Chevrolet Silverado V8 6.2L Gas
2019-2019Chevrolet Silverado LD V8 5.3L Gas
2015-2019Chevrolet Suburban V8 5.3L Gas
2019-2019Chevrolet Suburban V8 6.2L Gas
2015-2019Chevrolet Tahoe V8 5.3L Gas
2019-2019Chevrolet Tahoe V8 6.2L Gas
2014-2019GMC Sierra V6 4.3L Gas
2014-2019GMC Sierra V8 5.3L Gas
2014-2019GMC Sierra V8 6.2L Gas
2019-2019GMC Sierra Limited V8 5.3L Gas
2015-2019GMC Yukon V8 5.3L Gas
2015-2019GMC Yukon Denali V8 6.2L Gas
2015-2019GMC Yukon XL V8 5.3L Gas
2015-2019GMC Yukon XL Denali V8 6.2L Gas
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