GMC Sierra 2500HD/3500HD Differentials.

We track 4 GMC Sierra 2500HD/3500HD differentials from 2 brands, $357 to $425 as recorded 2026-09-24, each at its lowest price across the retailers we compare.

Locking and limited-slip differential upgrades for traction.

4 parts

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2020-2026

American Expedition Vehicles AEV Rear Differential Cover for 2020+ Chevrolet Silverado HD and GMC Sierra HD

$357

2001-2019

Banks Power Banks Power Machined Black Rear Differential Cover, 2001-2019 LB7/LLY/LBZ/LMM/LML/L5P

$395

2020-2026

Banks Power Banks Power Machined Black Rear Differential Cover, 2020-2026 L5P

$425

2020-2026

Banks Power Banks Power Raw Aluminum Rear Differential Cover, 2020-2026 L5P

$410

GMC Sierra 2500HD/3500HD or Chevy Silverado 2500HD/3500HD?

The GMC Sierra 2500HD/3500HD and the Chevy Silverado 2500HD/3500HD are closely related trucks, and many parts are sold for both, so each one gets its own page here. All 4 differentials on this page are also listed for the Chevy Silverado 2500HD/3500HD. The Chevy Silverado 2500HD/3500HD page lists 2 that are not on this one. Check the fitment notes on each part before you order, because engine and trim still matter.

See Chevy Silverado 2500HD/3500HD differentials parts

Gains shown are manufacturer claims, labeled community estimates, or independent tests, as tagged on each part. See the full catalog to filter by engine, drivetrain, and more, or the price index for what this category typically costs.