Keep your rear differential running cooler and better protected with the aFe Power Pro Series Rear Differential Cover (P/N 46-71120B). Finished in black with machined fins, it is a direct-fit replacement for the listed GM trucks and SUVs — but note it will only fit models equipped with the AAM 9.5/9.76-12 bolt rear axle. Confirmed applications include the 2014-2021 Chevrolet Silverado 1500, 2014-2021 GMC Sierra 1500, 2015-2021 Cadillac Escalade, and more (see the Buyer's Guide tab for the full list).
This cover bolts to the rear differential housing to seal in gear oil and shield the ring-and-pinion assembly.
Position: Rear. Color: Black. Country of origin: China. Manufacturer part number 46-71120B (also 4671120B).
Fitment: 2014 Chevrolet Suburban 1500 [All]; 2014-2019 Chevrolet Tahoe [All]; 2014-2021 Chevrolet Silverado 1500 [All]; 2014-2021 GMC Sierra 1500 [All]; 2014-2020 GMC Yukon [All]; 2014 GMC Yukon XL 1500 [All]; 2015-2021 Cadillac Escalade [All]; 2015-2020 Chevrolet Suburban [All]; 2015-2021 GMC Yukon XL [All]; 2019 Chevrolet Silverado 1500 LD [All]; 2019 GMC Sierra 1500 Limited [All].
What axle does this differential cover fit?
This item will only fit models equipped with the AAM 9.5/9.76-12 bolt rear axle. Confirm your vehicle uses that axle before ordering.
What is the cover made of?
It is made of durable cast aluminum and finished in black with machined fins.
Does it have drain and fill plugs?
Yes. It includes magnetic drain and fill plugs designed to capture loose particles, plus a calibration plug set to the factory fill level to help prevent overfilling.
How do I check the fluid level?
The cover has a built-in oil level sight glass for quick, easy inspection of the gear oil level.
Do the fins actually do anything?
The built-in external and internal fins are designed to dissipate heat from the differential.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
