2012 GMC Sierra 2500 HD Differential Covers

Your 2012 GMC Sierra 2500 HD 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 9 Differential Covers to choose from for your 2012 GMC Sierra 2500 HD, and our inventory prices range from as little as $92.99 up to $414.99.

On top of low prices, Advance Auto Parts offers 2 different trusted brands of Differential Covers for the 2012 GMC Sierra 2500 HD. We only sell parts from trusted brands like Yukon Gear 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 2012 GMC Sierra 2500 HD

Yukon Gear – Steel Cover For Chrysler & GM 11.5", With O Fill Plug (Part No.32330)

Steel Cover For Chrysler & GM 11.5", With O Fill Plug

from

$146.99
Product Features:
  • Fits GM and Chrysler 11.5″
  • Steel
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Yukon Gear – Finned Aluminum Cover For Dodge & GM 11.5" Aam Rear Axle (Part No.32346)

Finned Aluminum Cover For Dodge & GM 11.5" Aam Rear Axle

from

$389.99
Product Features:
  • Fits Chrysler and GM 11.5″
  • Finned aluminum
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Yukon Gear – Steel Cover For GM 10.5" 14 Bolt Truck (Part No.32345)

Steel Cover For GM 10.5" 14 Bolt Truck

from

$92.99
Product Features:
  • Fits GM 10.5″ 14 bolt truck
  • Steel
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aFe POWER – Differential Cover (Part No.46-71061B)

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 reinforced ribs for maximum strength. This cover 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 system 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.

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.46-70372)

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 A356-T6 cast aluminum with reinforcing ribs for maximum strength. Mounting hardware is included for a hassle-free installation. An oil level sight glass and calibration plug set to the factory level prevents overfilling of the differential. A magnetic drain plug and a deep reach magnetic fill plug are provided for maximum protection. This cover is finished in black powder-coating with machined fins for a distinctive look. 4 Quart Gear Oil Capacity: This cover has about a 4 quart gear oil capacity at the factory fill level, factory cover holds about 3 quarts. Built-in External Fins: Built-in external fins transfer heat from the fluid to the outside air for maximum cooling. Magnetic Drain/Fill Plug: This system incorporates a magnetic drain and deep reach fill plug that captures loose particles for maximum rear-end protection. Oil Level Sight Glass: Large oil level sight glass with 1/8” NPT calibration plug set to the factory fluid level to eliminate overfilling. When it comes to engineering for power, performance, protection and value, aFe Power is the only choice.

Product Features:
  • Constructed of Durable A356 Die Cast Aluminum
  • Reinforcing Ribs and Black Powder coating w/Machined Fins
  • Magnetic Drain and Fill Plugs Capture Loose Particles
  • Large Oil Level Sight Glass w/ Calibration Plug
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aFe POWER – Differential Cover (Part No.46-71060B)

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 reinforced ribs for maximum strength. This cover 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. 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 system 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.

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

aFe POWER – Differential Cover (Part No.46-71050B)

Differential Cover

from

$355.99
aFe Power’s new front differential cover brings performance engineering to the protection of your axle’s differential. This differential cover is constructed out of durable cast aluminum with reinforced ribs for maximum strength. This cover 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. 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 system 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.

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

aFe POWER – Differential Cover (Part No.46-70370)

Differential Cover

from

$289.99
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 A356-T6 cast aluminum with reinforcing ribs for maximum strength. Mounting hardware is included for a hassle-free installation. A calibration plug set to the factory level prevents overfilling of the differential. A magnetic drain plug and a deep reach magnetic fill plug are provided for maximum protection. This cover has a raw finish with machined fins for a distinctive look. 4 Quart Gear Oil Capacity: This cover has about a 4 quart gear oil capacity at the factory fill level, factory cover holds about 3 quarts. Built-in External Fins: Built-in external fins transfer heat from the fluid to the outside air for maximum cooling. Magnetic Drain/Fill Plug: This system incorporates a magnetic drain and deep reach fill plug that captures loose particles for maximum rear-end protection. Oil Level calibration plug: A 1/8″ NPT calibration plug is set to the factory fluid level which eliminates accidental overfilling. When it comes to engineering for power, performance, protection and value, aFe Power is the only choice.

Product Features:
  • Constructed of Durable A356-T6 Cast Aluminum
  • Reinforcing Ribs w/ a Raw Finish and Machined Fins
  • Magnetic Drain and Fill Plugs Capture Loose Particles
  • Calibration Plug Set to Factory Fluid Level
See More

aFe POWER – Differential Cover (Part No.46-71050A)

Differential Cover

from

$289.99
aFe Power’s new front differential cover brings performance engineering to the protection of your axle’s differential. This differential cover is constructed out of durable cast aluminum with reinforced ribs and machined fins for maximum strength and styling. This cover comes with all necessary hardware for easy installation. This cover has about a 2 quart lube capacity at the factory line. Built-in internal and external fins transfer heat from the fluid to the outside air for maximum cooling. This system incorporates a magnetic drain plug to capture loose particles for maximum front-end protection. Also included is a 1/8″ NPT calibration plug that is set to the factory fluid level which eliminates accidental overfilling.

Product Features:
  • Durable Cast Aluminum
  • Magnetic Drain Plug Captures Loose Particles
  • Calibration Plug Set to Factory Fill Level Eliminates Overfilling
  • Built-In External and Internal Fins Dissipate Heat
See More

FAQs for 2012 GMC Sierra 2500 HD Differential Covers

What are the most popular Differential Covers for the 2012 GMC Sierra 2500 HD?

With 2 brands you can trust, our most popular Differential Covers for the 2012 GMC Sierra 2500 HD parts are:
Steel Cover For Chrysler & GM 11.5", With O Fill Plug
from $146.99
This product is not rated
Steel Cover For Chrysler & GM 11.5", With O Fill Plug
Differential Covers
Finned Aluminum Cover For Dodge & GM 11.5" Aam Rear Axle
from $389.99
This product is not rated
Finned Aluminum Cover For Dodge & GM 11.5" Aam Rear Axle
Differential Covers
Steel Cover For GM 10.5" 14 Bolt Truck
from $92.99
This product is not rated
Steel Cover For GM 10.5" 14 Bolt Truck
Differential Covers