2020 GMC Sierra 2500 HD Differentials

Essential 2020 GMC Sierra 2500 HD Differentials

Dorman – Rear Differential Cover (Part No.697-712)

Rear Differential Cover

from

$77.99
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.46-70370)

Differential Cover

from

$319.99
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
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Pro-King – Differential Carrier Cover (Part No.743B758)

Differential Carrier Cover

from

$26.49
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:
  • All products are designed to meet or exceed OE quality, form, fit and funtion.
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ATP – DIFF COVER KIT (Part No.111104)

DIFF COVER KIT

from

$40.99
DIFF COVER KIT

Dorman – Rear Differential Cover (Part No.697-703)

Rear Differential Cover

from

$36.99
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
See More

Dorman – Rear Differential Cover (Part No.697-711)

Rear Differential Cover

from

$55.99
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
See More

aFe POWER – Differential Cover (Part No.46-71060B)

Differential Cover

from

$381.99
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
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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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aFe POWER – Differential Cover (Part No.46-71050B)

Differential Cover

from

$381.99
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

Yukon Gear – 3 Qt – 80W90 Conventional Gear Oil With Posi Additive (Part No.15003)

3 Qt - 80W90 Conventional Gear Oil With Posi Additive

from

$57.99
3 Qt. Penzoil 80W90 conventional gear Oil. W/ bottle of Posi additive.

Product Features:
  • Includes three quarts of conventional oil and one 4oz bottle of Yukon positraction additive
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Valvoline – DEXRON – VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart (Part No.822405)

DEXRON - VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart

from

$14.49
Valvoline DEXRON-VI/MERCON LV ATF is a full-synthetic transmission fluid formulated with advanced additive technology to meet and exceed the requirements of the General Motors DEXRON-VI specification. It is officially licensed and approved by GM and is fully back-serviceable and can be used wherever DEXRON-II and/or DEXRON-III are recommended. Recommended for use in the following applications: DEXRON-VI, DEXRON-III, DEXRON-II, and Allison C-4.

Product Features:
  • Formulated with full-synthetic base stocks and advanced additive technology to meet the challenging demands of automatic transmissions
  • Enhanced anti-shudder protection for smooth shifting and maximum power transfer
  • Developed with anti-wear technology to help improve transmission durability
  • Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures
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Yukon Gear – Redline Synthetic "Shock Proof" Oil – 3 Quarts (Part No.15000)

Redline Synthetic "Shock Proof" Oil - 3 Quarts

from

$99.99
Redline Synthetic “Shock Proof” Oil. 3 Quarts.

Product Features:
  • Includes three quarts of Redline Shockproof oil
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Royal Purple – High Performance SAE 5W30 Synthetic Motor Oil, API Certified, 1 QT (Part No.01530)

High Performance SAE 5W30 Synthetic Motor Oil, API Certified, 1 QT

from

$12.99
High Performance Motor Oil API LICENSED MOTOR OIL Royal Purple High Performance Motor Oil combines premium base oils with proprietary additive technologies to create a high performance synthetic engine oil that optimizes performance and protection. Royal Purple High Performance Motor Oils carry the current API and ILSAC engine oil licenses, as well as the GM dexos1 gasoline engine oil approval. ILSAC GF-6 AND GM DEXOS1 Modern gasoline direct injection (GDI) engines have achieved levels of power and fuel economy never before possible in passenger car engines. As a result, smaller engines operate at much higher loads across all engine speeds. This has caused increased wear in critical areas of the engine, and created a destructive phenomenon called low-speed pre-ignition (LSPI). The unique, state-of-the-art additive technology in Royal Purple High Performance engine oils is designed specifically to address these issues, and help engines maintain performance and reliability.

Product Features:
  • Better Wear Protection
  • Increased Protection against Low Speed Pre-Ignition
  • Increased Fuel Efficiency
  • Better Protection for Vehicle Exhaust Emissions Equipment
  • Improved Compatibility with Fuels Containing Ethanol
  • Superior Corrosion Protection
  • Made in USA
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Yukon Gear – Redline Synthetic "Shock Proof" Oil With Positraction Additive – 4 Quarts (Part No.15005)

Redline Synthetic "Shock Proof" Oil With Positraction Additive - 4 Quarts

from

$148.99
Redline Synthetic “Shock Proof” Oil with positraction Additive. 4 Quarts.

Product Features:
  • Includes four quarts of Redline Shockproof oil and one 4oz bottle of Yukon positraction additive
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Valvoline – High Performance Transmission & Differential Gear Oil: Conventional 75W-90, 1 Quart (Part No.VV820)

High Performance Transmission & Differential Gear Oil: Conventional 75W-90, 1 Quart

from

$12.49
Valvoline High Performance Synthetic Gear Oil is the thermally stabile extreme pressure lubricant that offers outstanding protection for gearboxes and differentials in passenger cars, light trucks, and sport utility vehicles. Combined with high quality synthetic base oils, our formula’s superior additives help reliably safeguard against severe temperatures, shock loads, foaming, scuffing, scouring, corrosion and pitting in high load, high torque and high horsepower conditions. Can be used in conventional and limited slip hypoid differentials where GL-5 is specified as well as non-synchronized manual transmissions that require GL-4. Protect your gears with Valvoline, the #1 gear oil brand.

Product Features:
  • HIGH PERFORMANCE EXTREME-PRESSURE ADDITIVES HELP MINIMIZE WEAR in high pressure and high temperature conditions
  • EXCEPTIONAL HIGH AND LOW TEMPERATURE PROTECTION can easily handle both winter and summer conditions for dependable coverage and protection year-round
  • REDUCES CHATTERING AND PROTECTS GEAR TEETH from oxidation, rust, and wear
  • FIGHTS CORROSION AND RUST with emulsifying agents and safeguards against impurities, oxidation and thermal breakdown
  • SUPERIOR ADDITIVES help reliably safeguard against severe temperatures, shock loads, foaming, scuffing, scouring, corrosion and pitting in high load, high torque and high horsepower conditions
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Idemitsu – Type TLS Automatic Transmission Fluid – 1 qt (Part No.10106-042K)

Type TLS Automatic Transmission Fluid - 1 qt

from

$11.79
Formulated to meet the specific requirements of Toyota, Lexus, and scion vehicles equipped with conventional (non-CVT) transmissions that require the use of ATF T-IV. Recommended for service-fill in all Toyota, Lexus, and Scion automatic transmissions where ATF T-IV is specified. Fuel economy demands and more sophisticated electronic controls have made automatic transmissions not only more complex, but also unique to each vehicle manufacturer. Long gone are the days of having just a couple choices of automatic transmission fluid type. IDEMITSU is the factory fill Automatic Transmission Fluid (ATF) supplier to most Asian imports. IDEMITSU application-specific ATF products match the exact friction materials and performance requirements of each different vehicle model for which they are made.

Product Features:
  • Excellent resistance to oxidation and thermal breakdown provide long fluid life and extended protection
  • Precisely engineered frictional characteristics guarantee smooth shifting and outstanding anti-shudder performance
  • Provides superior cleanliness, maintaining the transmission free of sludge and varnish deposits
  • Excellent seal compatibility and conditioning reduces risk of fluid leaks due to seal shrinkage, hardening and cracking
  • Advanced anti-wear technology provides maximum protection to gears and bearings
  • Excellent seal compatibility and conditioning reduces risk of fluid leaks due to seal shrinkage, hardening and cracking
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Valvoline – Transfer Case Fluid, 1 Quart (Part No.855459)

Transfer Case Fluid, 1 Quart

from

$14.99
Valvoline Multi-Vehicle Transfer Case Fluid is a full synthetic product meeting the performance needs for transfer cases recommending Ford XL-12 and GM Auto Trak II specifications or ATF fluids (DEX/MERC, ATF +4, etc).

Product Features:
  • Recommended for use in most Ford, GM and FCA (Dodge, Jeep) models
  • Formulated to help prevent gear wear and protect against rust and corrosion
  • Formulated to deliver enhanced protection against deposits
  • Helps provide better protection during extreme operating conditions
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Valvoline – DEX/MERC Automatic Transmission Fluid, 1 Gallon (Part No.773636)

DEX/MERC Automatic Transmission Fluid, 1 Gallon

from

$35.99
Valvoline DEX/MERC ATF is a high-quality transmission fluid formulated to meet the challenging demands many automatic transmissions. Its responsive low-temperature fluidity is beneficial in both electronic and hydraulic controlled transmissions and transaxles. Recommended for use in the following applications: MERCON®, DEXRON®-III, Ford M2C138-CJ and M2C166-H, Allison C-4 and TES-389, and Caterpillar TO-2.

Product Features:
  • Formulated with premium base stocks and advanced additive technology to meet the challenging demands of automatic transmissions.
  • Enhanced anti-shudder protection for smooth shifting and maximum power transfer
  • Developed with anti-wear technology to help improve transmission durability
  • Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures
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Driveworks – Differential Pinion Seal (Part No.S-710508)

Differential Pinion Seal

from

$26.99
Product Features:
  • Brand may vary by location
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Yukon Gear – Pinion Seal With Triple-Lip Design For ’98 And Newer GM 14T (Part No.30165)

Pinion Seal With Triple-Lip Design For '98 And Newer GM 14T

from

$23.99
Pinion seal with triple-lip design for ’98 and newer GM 14T.Yukon Mighty seal.

Product Features:
  • Pinion seal
  • Fits 1998 and up GM 10.5″ 14 bolt truck
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Yukon Gear – 10.5" & 11.5" GM & Dodge Pinion Seal (Part No.30281)

10.5" & 11.5" GM & Dodge Pinion Seal

from

$25.99
10.5″ & 11.5″ GM & Dodge pinion seal.Yukon Mighty seal.

Product Features:
  • Pinion seal
  • Fits Chrysler 10.5″ and 11.5″
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ACDelco – Pinion Seal (Part No.J7010211704ACD)

Pinion Seal

from

$40.45
Pinion Seal

Motive Gear – Pinion Seal (Part No.26064030)

Pinion Seal

from

$23.99
Motive Gear offers some of the toughest drive train components on the market today. If you are looking for the largest line of performance ring and pinion gear options available with gear sets in a wide range of ratios for nearly every application, both on and off-road, check out Motive Gear. Motive Gear products can be found in the winner’s circle at racing events worldwide. The superior quality of Motive Gear components is the result of years of racing development, outstanding design and state-of-the-art manufacturing methods. Extensive testing is performed on all products by our in-house engineers.
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SKF – PINION SEAL (Part No.J7010218383SKF)

PINION SEAL

from

$57.01
PINION SEAL

FAG US – SHAFT SEAL (Part No.SS3085)

SHAFT SEAL

from

$47.99
SHAFT SEAL

Pro-King – Differential Pinion Seal (Part No.742D070)

Differential Pinion Seal

from

$9.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:
  • All products are designed to meet or exceed OE quality, form, fit and funtion.
See More

FAG US – SHAFT SEAL (Part No.SS3190)

SHAFT SEAL

from

$45.49
SHAFT SEAL

Yukon Gear – Pinion Seal For GM 9.25" IFS (Part No.30153)

Pinion Seal For GM 9.25" IFS

from

$26.99
Pinion seal for GM 9.25″ IFS.Yukon Mighty seal.

Product Features:
  • Pinion seal
  • Fits GM 9.25″ IFS
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2020 GMC Sierra 2500 HD Differentials

Maybe you’re in the middle of a full rebuild of that 2020 GMC Sierra 2500 HD. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 7 different Differentials in our inventory ranging from $12.49 to $381.99. That means you can find the exact parts or products you need to keep that 2020 GMC Sierra 2500 HD running smoothly.

Differentials are only as good as their brand. We stock 4 different brands to make sure you have plenty of trusted parts to choose from for your 2020 GMC Sierra 2500 HD. Valvoline, Royal Purple, and aFe POWER are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Differentials for your 2020 GMC Sierra 2500 HD, but don’t take our word for it – read our customer ratings and reviews and buy with confidence.

So if you’re in the market for aftermarket Differentials to keep your 2020 GMC Sierra 2500 HD rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Differentials Brands To Make Your 2020 GMC Sierra 2500 HD Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2020 GMC Sierra 2500 HD demands trusted brand parts and products to keep it running. Many trusted brands of Differentials make up Advance Auto Parts’ inventory, and all are ready to help make your Sierra 2500 HD the best it can be. Be sure to browse some of our top Differentials brands and parts.

FAQs for 2020 GMC Sierra 2500 HD Differentials

What are the most purchased Differentials for the 2020 GMC Sierra 2500 HD?

Out of 7 Differentials for the 2020 GMC Sierra 2500 HD, the most popular in our inventory are:
ULV ATF Full Synthetic Ultra Low Viscosity Automatic Transmission Fluid, 1 Quart
from $18.29
This product is not rated
ULV ATF Full Synthetic Ultra Low Viscosity Automatic Transmission Fluid, 1 Quart
Differential Oil
SHAFT SEAL
from $47.99
This product is not rated
SHAFT SEAL
Differential Pinion Seals