2021 GMC Sierra 1500 Differentials
Keep Your 2021 GMC Sierra 1500 in Top Shape with Quality Differentials
Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 2021 GMC Sierra 1500 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Covers, Differential Oil, and Differential Pinion Seals. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.
Top-Rated Differentials from Trusted Brands
Looking for a reliable Differential? We’ve got you covered with options from brands you know and trust like Royal Purple and Valvoline. For example, Royal Purple Differentials start at just $41.99 with an average 4.8 star rating. Valvoline offer similar pricing and quality, backed by strong customer feedback. With over 425 reviews and a solid 5 star average, you can shop with confidence knowing other GMC Sierra 1500 owners approve.
Competitive Prices and Extensive Inventory
The average price for a 2021 GMC Sierra 1500 Differential at Advance Auto Parts is around $255.64, with a range that starts at $14.49 and goes up to $899.99. With 14 options in stock from 7 trusted brands, finding the right fit is easy. Popular picks like DEXRON – VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart, Flex Fill Transmission & Differential Gear Oil: Full Synthetic 75W-90, 1 Quart, and Differential Cover Assembly start at just $14.49 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Differential, don’t forget to check out other key components like Drive Shafts and Axles and Universal Joints. At Advance Auto Parts, we’re here to help you keep your 2021 GMC Sierra 1500 in peak condition, inside and out.
Find Your Specific 2021 GMC Sierra 1500 Differentials
Looking for the perfect Differential for your 2021 GMC Sierra 1500? You’re in the right place. Below, you’ll find links to various types of Differentials that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Differentials, ensuring durability and a precise fit for your GMC Sierra 1500. Whether you’re driving a 2021 model or another popular model year like
2014,
2015,
2016,
2017,
2018,
2019,
2020,
2022, and
2023, we’ve got you covered. Purchasing Differentials from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Differentials that fit your vehicle.
Essential 2021 GMC Sierra 1500 Differentials
Felpro – Axle Housing Cover Gasket Irregular Shaped 14 Bolt Hole Gasket (Part No.RDS 55486)
from
$16.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.
Product Features:
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Product Features:
- Meets or exceeds all original equipment specifications
- Application specific design to ensure a perfect fit
- Unsurpassed quality you can trust
- Validated for fit, form and function
- Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
Felpro – Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket (Part No.RDS 55031)
from
$22.99
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
Product Features:
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Product Features:
- Meets or exceeds all original equipment specifications
- Application specific design to ensure a perfect fit
- Unsurpassed quality you can trust
- Validated for fit, form and function
- Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
Felpro – Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket (Part No.RDS 55040)
from
$16.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.
Product Features:
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Product Features:
- Meets or exceeds all original equipment specifications
- Application specific design to ensure a perfect fit
- Unsurpassed quality you can trust
- Validated for fit, form and function
- Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
Felpro – Axle Housing Cover Gasket (Part No.55498)
from
$28.99
Axle Housing Cover Gasket
Yukon Gear – Standard Open Carrier Case, GM 9.5" & 9.25" IFS, Loaded (Part No.20097)
from
$629.99
9.25″ IFS & 9.5″ case standard Open, loeaded.
Product Features:
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Product Features:
- Standard open carrier case and spiders
- Fits GM 9.25″ IFS and 9.5″
Yukon Gear – 30 Spline Standard Open Loaded Carrier Case, GM 8.6" (Part No.20098)
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$481.99
GM 8.6″ 30 spline standard open loaded carrier. Complete differential case with internals.
Product Features:
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Product Features:
- Standard open carrier case and spiders
- Fits GM 8.6″
Yukon Gear – Standard Open Carrier Case For ’00-’06 GM 8.6" V2 Design (Part No.20096)
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$232.99
Yukon standard open carrier case for ’00-’06 GM 8.6″, V2 – version 2 design.
Product Features:
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Product Features:
- Fits 2000-2006 GM 8.6″ with open differential
Yukon Gear – Differential Carrier (Part No.20142)
from
$709.99
Differential Carrier
Motive Gear – Differential Pinion Seal (Part No.710101)
from
$15.99
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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Motive Gear – Pinion Seal (Part No.8610)
from
$4.99
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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National – Multi-Purpose Seal (Part No.710508)
from
$45.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Product Features:
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Product Features:
- Design type: spring loaded; multi-lip
- Temperature range: -40 Deg. F to 400 Deg. F / -40 Deg. C to 204 Deg. C
- Excellent high temperature capabilities
- Compatible with wide range of fluids
- Delivers quality and reliable performance for every type of repair
Yukon Gear – Pinion Seal For GM 9.25" IFS (Part No.30153)
from
$26.99
Pinion seal for GM 9.25″ IFS.Yukon Mighty seal.
Product Features:
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Product Features:
- Pinion seal
- Fits GM 9.25″ IFS
Yukon Gear – Differential Parts K (Part No.14220)
from
$574.99
Differential Parts K
Motive Gear – Differential Bearing Kit – Timken (Part No.R10RLT)
from
$129.99
Motive Gear Differential Bearing Kits Include Front & Rear Pinion Bearing, Pinion Seal, Carrier Bearings, Pilot Bearing Where Applicable, Gear Marking Compound, Crush Sleeve, Pinion Nut, Brush, Thread Locking Compound And Cover Gasket Or Rtv
Product Features:
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Product Features:
- KIT, BRG & SEAL GM 8.5 10 BOLT, ’99 & UP TIMKEN
Motive Gear – Differential Master Bearing Kit – Koyo (Part No.R10RLMK)
from
$157.99
Motive Gear Differential Bearing Kits Include Front & Rear Pinion Bearing, Pinion Seal, Carrier Bearings, Pilot Bearing Where Applicable, Gear Marking Compound, Crush Sleeve, Pinion Nut, Brush, Thread Locking Compound And Cover Gasket Or Rtv
Product Features:
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Product Features:
- BEARING GASKET & SEAL KIT, 10 BOLT GM ’99 AND UP MASTER KIT
Yukon Gear – Bearing Install Kit For ’99-’08 GM 8.6" Differential (Part No.11071)
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$229.99
Yukon Bearing installation kits are perfect for shops & builders who have shims on the shelf and are looking to save cost over a Master Overhaul kit. This kit uses Timken bearings and races along with all high quality small parts. kit includes carrier bearings and races, pinion bearings and races, pinion seal, crush sleeve (if applicable), oil baffles and slingers (if applicable), marking compound and brush. Yukon does extensive research for each application to make sure your kit will arrive with all the correct parts you need to install your ring & pinion set.
Product Features:
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Product Features:
- Fits 2008 and down GM 8.6″
- Included are carrier bearings and races, pinion bearings and races, pinion seal, crush sleeve , marking compound and brush.
Dorman – Axle Shaft, GM 8.25IFS (Part No.630-420)
from
$412.99
Axle shaft damaged or bearings worn out? This axle shaft assembly directly replaces the original equipment on certain vehicles, ready for install right out of the box.
Product Features:
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Product Features:
- Direct replacement – this axle shaft assembly replaces the original equipment on specific vehicle years, makes and models
- Ready to install – comes pre-assembled for simple installation with no further assembly required
- Durable construction – designed to rigorous standards and tested to ensure performance
- Trustworthy solution – backed by team of engineers and quality control specialists in the United States
Dorman – Rear Axle Shaft, Left Or Right (Part No.630-325A)
from
$160.99
Axle shaft damaged or bearings worn out: This axle shaft directly replaces the original equipment on certain vehicles, complete with all necessary application-specific installation components.
Product Features:
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Product Features:
- Direct replacement – this axle shaft replaces the original equipment on specific vehicle years, makes and models
- Complete kit – each shaft includes critical installation hardware and components needed for specific vehicle applications
- Durable construction – designed to rigorous standards and tested to ensure performance
- Trustworthy solution – backed by team of engineers and quality control specialists in the United States
Product Features:
Spartan – Drive Axle Assembly; GM 1500 Posi Axle GT4 (Part No.RAXP2239B)
from
$1792.99
Remanufactured Rear Axle assemblies are completely disassembled, thoroughly cleaned and reassembled using new wear parts. Units are assembled, sealed & include backing plates, axle shafts & fluid.
Product Features:
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Product Features:
- Rear axles are assembled with backing plates & axle shafts, and filled with fluid prior to shipping
- Axles are fully painted & shipped securely in environmentally safe and recyclable containers that are the perfect size for returning your original core
- Our complete Rear axle assemblies mean you just hang brakes, connect suspension & go! Your installation will be simple and trouble free
- Remember to match axle ratio to original. For 4WD rear axle must match front axle ratio
Yukon Gear – Axle For ’07 And Up 9.5" GM Axle, 34.02" (Part No.21586)
from
$299.99
2007 and up 9.5″ GM axle, 34.02″. axle shaft for ’07 & up GM truck with 9.5″ differential, 34.02″ long, 6 lug. Yukon 1541H alloy axles offer a strength increase over stock while retaining a low cost. Yukon 1541H alloy front axles come with a one year warranty against manufacturing defects.
Product Features:
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Product Features:
- 33 spline
- 34.02″ long
- Fits GM 9.5″ in 2007 and up truck
Dorman – Differential Cover (Part No.697-706)
from
$59.99
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:
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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
Yukon Gear – Steel Cover For GM 8.2" & 8.5" Rear (Part No.32332)
aFe POWER – Differential Cover (Part No.46-71120A)
from
$393.99
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. This cover has a raw finish with machined fins for a distinctive look.
Product Features:
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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
ATP – DIFF COVER KIT (Part No.111107)
from
$52.99
DIFF COVER KIT
Valvoline – Hybrid ATF Full Synthetic Automatic Transmission Fluid, 1 Quart (Part No.898795)
from
$14.99
Valvoline is the No. 1 ATF brand, and now we’ve taken it to the next level with our hybrid performance fluid: Valvoline Full Synthetic Hybrid Automatic Transmission Fluid. Specifically designed for hardworking hybrids, Valvoline Full Synthetic Hybrid ATF is suitable for use in more than 95% of hybrid vehicles in operation with registered US ATF full hybrid vehicles (not including mild hybrids, traditional CVT or DCT hybrid models). Valvoline Full Synthetic Hybrid ATF is proven to maximize transmission life, and it’s compatible with copper and the coatings on copper in hybrid transmission, providing greater oxidation stability, insulation for the electrical current, and increased heat transfer capabilities to protect against transmission failure. Look for Valvoline’s complete lineup of hybrid performance fluids, including motor oil and antifreeze/coolant ¿ from the brand trusted for over 150 years.
Product Features:
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Product Features:
- Full synthetic hybrid ATF with Copper Care Technology, from the No. 1 ATF brand
- Enhanced protection against corrosion that can result in hybrid transmission failure
- Protects electrical systems maximizing transmission efficiency
- Increased heat transfer capabilities to protect against higher temperatures produced by hybrids
Yukon Gear – Redline Synthetic "Shock Proof" Oil – 4 Quarts (Part No.15004)
from
$137.99
Redline Synthetic “Shock Proof” Oil. 4 Quarts.
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Product Features:
- Includes four quarts of Redline Shockproof oil
Yukon Gear – Redline Synthetic "Shock Proof" Oil With Positraction Additive – 4 Quarts (Part No.15005)
from
$148.99
Redline Synthetic “Shock Proof” Oil with positraction Additive. 4 Quarts.
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Product Features:
- Includes four quarts of Redline Shockproof oil and one 4oz bottle of Yukon positraction additive
Yukon Gear – Redline Synthetic "Shock Proof" Oil – 3 Quarts (Part No.15000)
from
$99.99
Redline Synthetic “Shock Proof” Oil. 3 Quarts.
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Product Features:
- Includes three quarts of Redline Shockproof oil
Popular 2021 GMC Sierra 1500 Differentials Categories
Most Popular Differential Covers for 2021 GMC Sierra 1500s
Enhance your 2021 GMC Sierra 1500 with one of the 4 Differential Covers we have in stock, starting at just $79.99.
Dorman – Differential Cover Assembly (Part No.697-727)
from
$79.99
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:
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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
aFe POWER – Differential Cover (Part No.46-71120A)
from
$393.99
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. This cover has a raw finish with machined fins for a distinctive look.
Product Features:
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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
Yukon Gear – DiffrlCover (Part No.32365)
from
$96.99
DiffrlCover
aFe POWER – Differential Cover (Part No.46-71120B)
from
$514.99
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:
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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
Best-Selling 2021 GMC Sierra 1500 Differential Oil
Upgrade your Sierra 1500 with one of our 4 best-selling Differential Oil, earning an average 5 stars rating across 135 reviews.
Royal Purple – High Performance 5W-30 Synthetic Engine Oil, Better Wear Protection, 5 Quart (Part No.51530)
from
$41.99
Royal Purple Motor Oil is a specially formulated multi viscocity oil for use in gasoline and diesel engines of all types from cars and trucks to SUVs, motorcycles and boats. Royal Purple(R) Motor Oil with Synerlec(R) additive technology reduces friction, which results in a 1-3 percent increase in horsepower, lowers operating temperatures, provides superior corrosion protection, improves fuel economy, reduces emissions and extends oil life. A.P.I. Certified.
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Product Features:
- Better wear protection
- Increased fuel efficiency
- Better protection of the expensive catalytic emission system
- Improved compatibility with fuels containing ethanol
- Superior corrosion protection
- Meets ILSAC GF-5 and Dexos1 performance requirements
Valvoline – DEXRON – VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart (Part No.822405)
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.
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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
Valvoline – Flex Fill Transmission & Differential Gear Oil: Full Synthetic 75W-90, 1 Quart (Part No.889785)
from
$18.99
We’ve squeezed innovation into every ounce of Valvoline FlexFill SAE 75W-90 Full Synthetic Gear Oil, the ultimate gear protection in hypoid rear differentials and non-synchronized manual transmissions. Our unique new flexible pouch makes getting into the tightest places to lubricate gears easier than ever and with less waste. The superior detergent package-based formulation contains fully synthetic basestocks and special additives that help protect parts from rust and corrosion while providing exceptional high and low temperature protection and excellent thermal stability, especially in demanding driving situations such as towing and off-roading. It contains an extreme pressure additive for better load carrying capacity, wear resistance additives that assist in protecting gear teeth, a limited slip additive for optimal clutch pack performance, and an anti-foaming agent for better lubrication and service life. Valvoline FlexFill SAE 75W-90 Full Synthetic Gear Oil is recommended for use in axle applications requiring factory-fill or drain-and-fill levels for limited slip performance.
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Product Features:
- FLEXIBLE POUCH FOR EASIER USE WITH LESS WASTE in tight, hard to reach undercarriage situations.
- EXCEPTIONAL HIGH AND LOW TEMPERATURE PROTECTION ranging from -30F to 300F degrees for dependable coverage year-round
- REDUCES CHATTERING AND PROTECTS GEAR TEETH from oxidation, rust, and wear
- MEETS THE DEMANDS OF CONVENTIONAL AND LIMITED SLIP REAR DIFFERENTIALS where API GL-5 is specified, as well as non-synchronized manual transmissions that require API GL-4 or MT-1 fluid
- MEETS OR EXCEEDS PERFORMANCE REQUIREMENTS for Mack GO-H and GO-J; API GL-5 and API MT-1; MIL-PRF-2105E; and SAE J2360
Valvoline – ULV ATF Full Synthetic Ultra Low Viscosity Automatic Transmission Fluid, 1 Quart (Part No.888460)
from
$18.49
Valvoline ULV is a full synthetic, ultra low viscosity transmission fluid specifically engineered for high speed automatic transmissions. Formulated to meet the performance requirements of the latest 9 & 10 speed transmission designs, including the Ford/GM 10R80 found in select Ford F-150 and Raptor trucks.
Product Features:
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Product Features:
- Formulated with premium synthetic base oils to achieve low viscosity and minimize deposits
- Provides excellent thermal and oxidation performance
- Durable friction modifiers help prevent shudder
- Advanced anti-wear technology to better prevent gear wear
Top-Quality Differential Pinion Seals for 2021 GMC Sierra 1500s
Choose a high-quality OEM or aftermarket Differential Pinion Seal for GMC Sierra 1500s and enjoy top-notch performance from $48.99.
Yukon Gear – Pinion Seal For 2014 & Up GM 9.5" 12 Bolt Rear And GM 9.76" Rear (Part No.30355)
from
$48.99
Yukon Ring & Pinion sets give you the confidence of knowing you’re running gears designed for the harshest of conditions. Whether it’s on the street, off-road, or at the track; Yukon ring & pinion sets deliver unrivaled performance & quality. Yukon uses the latest designs and manufacturing technologies to provide a quiet running gear that is strong and easy to set up. All Yukon ring & pinion sets come standard with a one-year warranty.
Product Features:
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Product Features:
- Fits GM 7.5″ and 7.6″
- 7.50″ ring gear diameter
- 27 spline pinion
- 10 ring gear bolts
- 2.73 ratio
Our Top Pick for a 2021 GMC Sierra 1500 Differential Axle Shaft
Invest in a
durable Differential Axle Shaft for your 2021 GMC, knowing you’re getting trusted brands and expert craftsmanship.
Yukon Gear – Axle For ’07 And Up 9.5" GM Axle, 34.02" (Part No.21586)
from
$299.99
2007 and up 9.5″ GM axle, 34.02″. axle shaft for ’07 & up GM truck with 9.5″ differential, 34.02″ long, 6 lug. Yukon 1541H alloy axles offer a strength increase over stock while retaining a low cost. Yukon 1541H alloy front axles come with a one year warranty against manufacturing defects.
Product Features:
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Product Features:
- 33 spline
- 34.02″ long
- Fits GM 9.5″ in 2007 and up truck
Our Rear Housing Cover Gaskets for 2021 GMC Sierra 1500s
Make a smart move for your 2021 GMC Sierra 1500 with our Rear Housing Cover Gasket for $28.99.
Felpro – Axle Housing Cover Gasket (Part No.55498)
from
$28.99
Axle Housing Cover Gasket
Top-Rated Differential Brands For Your 2021 GMC Sierra 1500
When it comes to finding the perfect Differential for your 2021 GMC Sierra 1500, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 7 trusted brands. We carry the most popular Differential brands including Royal Purple and Valvoline, and more, all known for their exceptional customer ratings (average brand rating of 4.8 stars) and competitive prices, as low as $14.49. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 2021 GMC Sierra 1500, providing peace of mind with parts that meet or exceed OEM standards.
Popular Royal Purple 2021 GMC Sierra 1500 Differentials
If you’re looking for a top-quality Differential for your 2021 GMC Sierra 1500, Advance Auto Parts has exactly what you need with our selection of Royal Purple Differentials. We have 1 Royal Purple Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $41.99, you’ll find the perfect Differential for your needs and budget. Royal Purple Differentials for the 2021 GMC Sierra 1500 come highly rated, with over 133 customer reviews and an impressive average rating of 4.8 stars. Choosing a Royal Purple Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
from
$41.99
(133)
High Performance 5W-30 Synthetic Engine Oil, Better Wear Protection, 5 Quart
“The best”
Top-Quality Valvoline 2021 GMC Sierra 1500 Differentials
For those in search of a high-quality Differential for their 2021 GMC Sierra 1500, Advance Auto Parts offers a great selection of Valvoline Differentials. With 1 Valvoline Differentials in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Differentials start at just $14.49, giving you a range of options to suit your budget. Backed by over 2 customer ratings and an average rating of 4.8 stars, Valvoline Differentials provide both reliability and excellent performance. Choosing a Valvoline Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
from
$14.49
(2)
DEXRON – VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart
“I’ve used this in my 2005 2500HD since I bought the truck with 20k on it now at 280k changed every other year maybe 40k I’d put on in two years,
I pu”
FAQs for 2021 GMC Sierra 1500 Differentials
What are the best-selling Differentials for 2021 GMC Sierra 1500s?
Out of 14 Differentials that fit 2021 GMC Sierra 1500s, the following parts are the top sellers:
- DEXRON – VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart (12079201) – $14.49
- Flex Fill Transmission & Differential Gear Oil: Full Synthetic 75W-90, 1 Quart (12507273) – $18.99
- Differential Cover Assembly (11971199) – $79.99
What’s the price range for 2021 GMC Sierra 1500 Differentials?
The prices of Differentials for the 2021 GMC Sierra 1500 range from $14.49 up to $899.99 for the most premium parts.
What is the average price of a Differential for a 2021 GMC Sierra 1500?
The average price for Differentials for the 2021 GMC Sierra 1500 is $255.64. Keep in mind the variety of part types within our Differential category, where you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Differentials for other GMC Sierra 1500 model years?
What are the cheapest Differentials for my 2021 GMC Sierra 1500?
The cheapest 2021 GMC Sierra 1500 Differentials we carry are:
- DEXRON – VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart (12079201) – $14.49
- ULV ATF Full Synthetic Ultra Low Viscosity Automatic Transmission Fluid, 1 Quart (12181693) – $18.49
- Flex Fill Transmission & Differential Gear Oil: Full Synthetic 75W-90, 1 Quart (12507273) – $18.99
- Axle Housing Cover Gasket (50251308) – $28.99
- High Performance 5W-30 Synthetic Engine Oil, Better Wear Protection, 5 Quart (11150912) – $41.99
Does Advance Auto Parts sell Differentials for any other 2021 GMC models?
Yes. We stock Differentials for 9 other popular 2021 GMC models. Some of the most popular are 2021 Yukon Differentials, 2021 Sierra 2500 HD Differentials, 2021 Savana 2500 Differentials, 2021 Sierra 3500 HD Differentials, and 2021 Savana 3500 Differentials.
What are the top-rated Differentials that fit the 2021 GMC Sierra 1500?
The one 2021 GMC Sierra 1500 Differential we have in stock is the DEXRON – VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart. It is rated 5 stars and costs $14.49.
What types of Differentials do you sell for my 2021 GMC Sierra 1500?
As of 11/2/25, these are some of the most in-demand types of Differentials for a 2021 GMC Sierra 1500:
Can I get help with 2021 GMC Sierra 1500 Differential orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about GMC Differentials and more.
What is your return policy for GMC Sierra 1500 Differentials?
Advance Auto Parts keeps returns simple. For new GMC Sierra 1500 Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.