2021 GMC Sierra 1500 Differential Covers

Your 2021 GMC Sierra 1500 might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Differential Covers you desperately need.

We currently carry 3 Differential Covers to choose from for your 2021 GMC Sierra 1500, and our inventory prices range from as little as $69.99 up to $414.99.

On top of low prices, Advance Auto Parts offers 2 different trusted brands of Differential Covers for the 2021 GMC Sierra 1500. We only sell parts from trusted brands like Dorman so that you can find quality parts you can count on.

Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Differential Covers stock in-person!

Differential Covers for Your 2021 GMC Sierra 1500

Dorman – Differential Cover Assembly (Part No.697-727)

Differential Cover Assembly

from

$69.99
This direct replacement differential cover matches the fit and function of the original equipment diff cover for a reliable, leak-free repair. It features a durable design, made to strict specifications, to help ensure reliable service life.

Product Features:
  • Direct replacement – this differential cover matches the fit and function of the original equipment diff cover on select vehicles
  • Reliable repair – the smart solution for fixing an existing cover that’s rusted, damaged or leaking differential fluid
  • Durable construction – this differential cover is made according to strict engineering standards to help ensure dependability
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
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aFe POWER – Differential Cover (Part No.46-71121B)

Differential Cover

from

$414.99
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.

Product Features:
  • Durable Cast Aluminum
  • Magnetic Drain and Fill Plugs Capture Loose Particles
  • Calibration Plug Set to Factory Fill Level Eliminates Overfilling
  • Oil Level Sight Glass for Quick/Easy Inspection
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aFe POWER – Differential Cover (Part No.46-71120B)

Differential Cover

from

$355.99
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.

Product Features:
  • Durable Cast Aluminum
  • Magnetic Drain and Fill Plugs Capture Loose Particles
  • Calibration Plug Set to Factory Fill Level Eliminates Overfilling
  • Oil Level Sight Glass for Quick/Easy Inspection
See More

FAQs for 2021 GMC Sierra 1500 Differential Covers

What are the most popular Differential Covers for the 2021 GMC Sierra 1500?

With 2 brands you can trust, our most popular Differential Covers for the 2021 GMC Sierra 1500 parts are:
Differential Cover Assembly
from $69.99
This product is not rated
Differential Cover Assembly
Differential Covers
Differential Cover
from $414.99
This product is not rated
Differential Cover
Differential Covers
Differential Cover
from $355.99
This product is not rated
Differential Cover
Differential Covers