2021 Ram 3500 Differentials

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Keep Your 2021 Ram 3500 in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 2021 Ram 3500 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 Axle Shafts. 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. For example, Royal Purple Differentials start at just $28.49 with an average 4.8 star rating. With over 1,140 reviews and a solid 5.0 star average, you can shop with confidence knowing other Ram 3500 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2021 Ram 3500 Differential at Advance Auto Parts is around $301.53, with a range that starts at $13.99 and goes up to $971.99. With 16 options in stock from 6 trusted brands, finding the right fit is easy. Popular picks like Valvoline Flex Fill Transmission & Differential Gear Oil: Full Synthetic 75W-140, 1 Quart, 889787, Yukon Gear Crush Sleeve, 33099, and Felpro Axle Housing Cover Gasket, RDS 55501 start at just $13.99 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 Spindles. At Advance Auto Parts, we’re here to help you keep your 2021 Ram 3500 in peak condition, inside and out.

Essential 2021 Ram 3500 Differentials

Yukon Gear – Yukon Gear Axle for 03 & Up Chrysler 10.5AAM/ 11.5AAM, 30Spline, 21435 (Part No.21435)

Yukon Gear Axle for 03 & Up Chrysler 10.5AAM/ 11.5AAM, 30Spline, 21435

from

$299.99
Yukon Master Overhaul Kits give you all the high-quality parts you need to start and finish every differential job. Yukon offers more tailor-made kits than any other manufacturer in the industry to meet your specific installation needs. This kit uses high-quality Koyo/Timken bearings and races along with high quality seals and small parts. Yukon Master Overhaul Kits are the most comprehensive and complete kits on the market because Yukon does extensive research to ensure that every kit has everything you need for your application.
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Dorman – Dorman Axle Shaft Assembly, 630-002 (Part No.630-002)

Dorman Axle Shaft Assembly, 630-002

from

$1032.00
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.
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Yukon Gear – "Yukon Gear 4340 Chrome Moly Axle Shaft for Chrysler 10.5"" & 11.5"" Rear, 21702" (Part No.21702)

"Yukon Gear 4340 Chrome Moly Axle Shaft for Chrysler 10.5"" & 11.5"" Rear, 21702"

from

$624.99
Yukon high-performance axles are built with high-tensile strength 4340 chromoly, use superior production methods that include cold roll formed splines, and feature advanced induction coil heat treating to create an axle of unmatched quality and durability.
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Yukon Gear – "Yukon Gear Standard Open Spider Gear Kit for 11.5"" GM with 30 Spline Axles, 16109" (Part No.16109)

"Yukon Gear Standard Open Spider Gear Kit for 11.5"" GM with 30 Spline Axles, 16109"

from

$235.99
Yukon Gear & Axle spider gear kits feature higher quality materials and better manufacturing techniques than OEM to ensure a longer lasting spider gear set. Kit delivers everything needed for a complete and proper spider gear set replacement.
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Yukon Gear – "Yukon Gear 2007 & Up 9.25"" Chrysler Standard Open 33 Spline Straight Axle Front Spider Set, 16067" (Part No.16067)

"Yukon Gear 2007 & Up 9.25"" Chrysler Standard Open 33 Spline Straight Axle Front Spider Set, 16067"

from

$409.99
Yukon Gear & Axle spider gear kits feature higher quality materials and better manufacturing techniques than OEM to ensure a longer lasting spider gear set. Kit delivers everything needed for a complete and proper spider gear set replacement.
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Dorman – Dorman Differential Cover, 697-712 (Part No.697-712)

Dorman Differential Cover, 697-712

from

$93.99
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.
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aFe POWER – aFe POWER Differential Cover, 46-70040 (Part No.46-70040)

aFe POWER Differential Cover, 46-70040

from

$298.99
aFe Powers new front-end differential cover brings performance engineering to the protection of your trucks front-end. This differential cover has a 3-1/2 quart lube capacity (factory cover holds 2-1/2 quarts) at the factory fluid level line, a magnetic drain plug and a magnetic fill plug to remove unwanted debris. Built-in external fins transfer heat from the fluid to the outside air for maximum cooling. aFe has also designed a large oil level sight glass with calibration plug set to the factory fluid level to eliminate overfilling. This differential cover is constructed out of durable die-cast A380 aluminum with reinforced ribs and a wrinkle black powder-coating for maximum strength and style. When it comes to engineering for power, performance, protection and value, aFe Power is the only choice.
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aFe POWER – aFe POWER Differential Cover, 46-70392 (Part No.46-70392)

aFe POWER Differential Cover, 46-70392

from

$369.99
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.
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Yukon Gear – "Yukon Gear Standard Open Carrier Case, GM 9.5"" & 9.25"" IFS, Loaded, 20097" (Part No.20097)

"Yukon Gear Standard Open Carrier Case, GM 9.5"" & 9.25"" IFS, Loaded, 20097"

from

$629.99
“9.25”” IFS & 9.5″” case standard Open, loeaded.”
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Yukon Gear – "Yukon Gear Standard Open Carrier Case & Spiders, GM 11.5"", 20094" (Part No.20094)

"Yukon Gear Standard Open Carrier Case & Spiders, GM 11.5"", 20094"

from

$779.99
“11.5”” GM standard Open case, loeaded.”
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Yukon Gear – "Yukon Gear Standard Open Carrier Case, Chrysler 11.5"", 20001" (Part No.20001)

"Yukon Gear Standard Open Carrier Case, Chrysler 11.5"", 20001"

from

$749.99
“11.5”” Chrysler standard Open carrier case, loaded with spiders.”
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Yukon Gear – Yukon Gear C9.25 Aam & Dodge 07 & Up Front Beam Axle Open Loaded Carrier, 20017 (Part No.20017)

Yukon Gear C9.25 Aam & Dodge 07 & Up Front Beam Axle Open Loaded Carrier, 20017

from

$469.99
Side seal for Nissan Titan front differential.
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Motive Gear – Motive Gear Differential Crush Sleeve, 14012691 (Part No.14012691)

Motive Gear Differential Crush Sleeve, 14012691

from

$2.99
Motive Gear Differential Crush Sleeve, 14012691.
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Pro-King – Pro-King Differential Crush Sleeve, 745A034 (Part No.745A034)

Pro-King Differential Crush Sleeve, 745A034

from

$8.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.
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Yukon Gear – "Yukon Gear 11.5"" GM & Chrysler Crush Sleeve, 33098" (Part No.33098)

"Yukon Gear 11.5"" GM & Chrysler Crush Sleeve, 33098"

from

$74.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.
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Yukon Gear – Yukon Gear Crush Sleeve, 33099 (Part No.33099)

Yukon Gear Crush Sleeve, 33099

from

$13.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.
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USA Standard Gear – "USA Standard Gear Ring & Pinion Gear Set For Chrysler 9.25"" Front In A 4.88 Ratio, 36313" (Part No.36313)

"USA Standard Gear Ring & Pinion Gear Set For Chrysler 9.25"" Front In A 4.88 Ratio, 36313"

from

$479.99
USA Standard ring & pinion sets are the right choice to add confidence to your install. USA Standard Gear offers a full line of ring & pinion sets for a variety of common & hard to find applications. USA standard gear offers a standard one year warranty against defects on their ring & pinion sets.
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Yukon Gear – "Yukon Gear High Performance Ring & Pinion Gear Set For Chrysler 9.25"" Front In A 4.11 Ratio, 24214" (Part No.24214)

"Yukon Gear High Performance Ring & Pinion Gear Set For Chrysler 9.25"" Front In A 4.11 Ratio, 24214"

from

$494.99
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 has an updated, proprietary, design that provides longer life and higher durability than the competition.
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USA Standard Gear – "USA Standard Gear Ring & Pinion Gear Set For Chrysler 9.25"" Front In A 4.11 Ratio, 36312" (Part No.36312)

"USA Standard Gear Ring & Pinion Gear Set For Chrysler 9.25"" Front In A 4.11 Ratio, 36312"

from

$439.99
USA Standard ring & pinion sets are the right choice to add confidence to your install. USA Standard Gear offers a full line of ring & pinion sets for a variety of common & hard to find applications. USA standard gear offers a standard one year warranty against defects on their ring & pinion sets.
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USA Standard Gear – "USA Standard Gear Ring & Pinion Gear Set For Chrysler 9.25"" Front In A 4.56 Ratio, 36311" (Part No.36311)

"USA Standard Gear Ring & Pinion Gear Set For Chrysler 9.25"" Front In A 4.56 Ratio, 36311"

from

$439.99
USA Standard ring & pinion sets are the right choice to add confidence to your install. USA Standard Gear offers a full line of ring & pinion sets for a variety of common & hard to find applications. USA standard gear offers a standard one year warranty against defects on their ring & pinion sets.
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Valvoline – Valvoline Extended Protection Full Synthetic Automatic Transmission Fluid ATF 1 QT, 904976 (Part No.904976)

Valvoline Extended Protection Full Synthetic Automatic Transmission Fluid ATF 1 QT, 904976

from

$15.99
Modern transmissions are better than ever, with more gears to help improve fuel efficiency and acceleration. Greater performance calls for greater protection. Valvoline Extended Protection Full Synthetic ATF features our exclusive Dual Defense Additive Technology for two layers of protection against metal-on-metal contact and thermal breakdown, all while minimizing wear on clutch components. In fact, Valvoline Extended Protection Full Synthetic ATF is 45% stronger against breakdown compared to major brand DEX/MERC oxidative PDSC performance. Proven to maximize transmission life, our patented formula keeps your modern vehicle shifting smoothly, mile after mile, with the ultimate protection you can only expect from Valvoline, the #1 ATF brand.
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Royal Purple – Royal Purple MaxGear SAE 75W140 High Performance Gear Oil w/Friction Modifier Additive, 1 QT, 01301 (Part No.01301)

Royal Purple MaxGear SAE 75W140 High Performance Gear Oil w/Friction Modifier Additive, 1 QT, 01301

from

$28.49
Max Gear is recommended for truck and automotive differentials, outboard motor lower units or in rear axles or manual transmissions requiring an API fluid. Max Gear is a high performance automotive gear oil designed to provide maximum protection to heavily loaded gears while increasing power throughput through the drive train. Max Gear virtually eliminates both gear and bearing wear-even under severe squeeze film conditions caused by extremely high loads, sudden shock loads or low RPMs. Slippery, synthetic molecules not only reduce wear and friction but significantly increase Max Gear’s cold weather fluidity and lubricity, making it the ideal choice for vehicles operating in cold climates. Gears run smoother, quieter, cooler and longer without overhauls. It is noncorrosive to both ferrous and nonferrous metals.
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Yukon Gear – Yukon Gear 3 Qt – Penzoil 80W90 Conventional Gear Oil, 15002 (Part No.15002)

Yukon Gear 3 Qt - Penzoil 80W90 Conventional Gear Oil, 15002

from

$44.99
Union 76 gear oil is a conventional non-synthetic 80W90 formulation designed for all types of differentials.
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Yukon Gear – "Yukon Gear Redline Synthetic ""Shock Proof"" Oil – 4 Quarts, 15004" (Part No.15004)

"Yukon Gear Redline Synthetic ""Shock Proof"" Oil - 4 Quarts, 15004"

from

$137.99
Redline Heavy Shockproof Gear Oil is formulated to provide lasting protection.
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Felpro – Felpro Axle Housing Cover Gasket, RDS 55501 (Part No.RDS 55501)

Felpro Axle Housing Cover Gasket, RDS 55501

from

$28.99
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.
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Most Popular Differential Covers for 2021 Ram 3500s

Enhance your 2021 Ram 3500 with one of the 5 Differential Covers we have in stock, starting at just $298.99.

aFe POWER – aFe POWER Front & Rear Differential Cover Package w/ Oil, 46-7702AB (Part No.46-7702AB)

aFe POWER Front & Rear Differential Cover Package w/ Oil, 46-7702AB

from

$971.99
aFe POWER Pro Series front and rear differential covers bring performance-driven protection to your drivetrain. Constructed from durable cast aluminum and designed with reinforced ribs, these covers offer enhanced strength and improved heat dissipation for demanding driving conditions. This is a complete, ready-to-install kit that includes front and rear differential covers, all necessary hardware, and 8 quarts of 75W-90 premium PROGUARD Synthetic gear oil -everything you need for a full service in one convenient package. The supplied gear oil exceeds the performance requirements of API GL-5 recommended for both open and limited slip applications. These covers have an increased oil capacity over stock for better performance over a longer duration. Built-in internal and external fins transfer heat from the oil to the outside air for maximum cooling. This system incorporates magnetic drain and deep reach fill plugs to capture loose particles for maximum protection. Each cover uses a calibration plug set to the factory oil level to eliminate overfilling. Each cover includes an oil level sight glass that allows for quick and easy oil inspection.
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aFe POWER – aFe POWER Pro Series Rear Differential Cover Black with Machined Fins, 46-71150B (Part No.46-71150B)

aFe POWER Pro Series Rear Differential Cover Black with Machined Fins, 46-71150B

from

$369.99
“aFe POWER differential covers bring 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. All necessary hardware is included for easy installation. 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 rear-end protection. Also included is a 1/8″” NPT calibration plug that is set to the factory fluid level which eliminates accidental overfilling.”
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aFe POWER – aFe POWER Differential Cover, 46-70402 (Part No.46-70402)

aFe POWER Differential Cover, 46-70402

from

$354.99
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.
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aFe POWER – aFe POWER Street Series Rear Differential Cover Raw with Machined Fins, 46-71150A (Part No.46-71150A)

aFe POWER Street Series Rear Differential Cover Raw with Machined Fins, 46-71150A

from

$314.99
“aFe POWER differential covers bring 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. All necessary hardware is included for easy installation. 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 rear-end protection. Also included is a 1/8″” NPT calibration plug that is set to the factory fluid level which eliminates accidental overfilling.”
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aFe POWER – aFe POWER Differential Cover, 46-70400 (Part No.46-70400)

aFe POWER Differential Cover, 46-70400

from

$298.99
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. This cover has a raw finish with 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 Plug: This system incorporates a magnetic drain plug to capture loose particles for maximum protection.Calibration Plug: Calibration plug set to the factory oil level to eliminate overfilling.Optional Accessories Available: Our optional oil level sight glass (Part Number: 46-00001) and deep reach magnetic fill plug (Part Number: 46-00002) are great additions to combine with this cover.When it comes to engineering for power, performance, protection and value, aFe Power is the only choice.
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Best-Selling 2021 Ram 3500 Differential Oil

Upgrade your 3500 with one of our 4 best-selling Differential Oil, earning an average 5 stars rating across 57 reviews.

Royal Purple – Royal Purple MaxGear SAE 75W140 High Performance Gear Oil w/Friction Modifier Additive, 1 QT, 01301 (Part No.01301)

Royal Purple MaxGear SAE 75W140 High Performance Gear Oil w/Friction Modifier Additive, 1 QT, 01301

from

$28.49
Max Gear is recommended for truck and automotive differentials, outboard motor lower units or in rear axles or manual transmissions requiring an API fluid. Max Gear is a high performance automotive gear oil designed to provide maximum protection to heavily loaded gears while increasing power throughput through the drive train. Max Gear virtually eliminates both gear and bearing wear-even under severe squeeze film conditions caused by extremely high loads, sudden shock loads or low RPMs. Slippery, synthetic molecules not only reduce wear and friction but significantly increase Max Gear’s cold weather fluidity and lubricity, making it the ideal choice for vehicles operating in cold climates. Gears run smoother, quieter, cooler and longer without overhauls. It is noncorrosive to both ferrous and nonferrous metals.
See More

Valvoline – Valvoline Flex Fill Transmission & Differential Gear Oil: Full Synthetic 75W-140, 1 Quart, 889787 (Part No.889787)

Valvoline Flex Fill Transmission & Differential Gear Oil: Full Synthetic 75W-140, 1 Quart, 889787

from

$19.99
We’ve squeezed innovation into every ounce of Valvoline FlexFill SAE 75W-140 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-140 Full Synthetic Gear Oil is recommended for use in axle applications requiring factory-fill or drain-and-fill levels for limited slip performance. Volume: 1 quart.
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Valvoline – Valvoline Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid 1 GA, 904891 (Part No.904891)

Valvoline Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid 1 GA, 904891

from

$35.99
Choosing an automatic transmission fluid just got easier. Valvoline Full Synthetic MaxLife Multi-Vehicle ATF, the #1 ATF product, is suitable for use in 95% of ATF vehicles in operation with US registered light duty applications. And now, it€™s also recommended for most belt and chain-driven continuously variable transmissions (CVT). Featuring advanced additives to prevent the major causes of transmission breakdown, it€™s designed to help prevent leaks, reduce wear and tear, and maximize performance €“ all for much longer than conventional fluids. It has improved thermal stability for longer fluid life, better viscosity stability for consistent transmission operation, and frictional enhancements for smooth gear engagements. Whether your vehicle has a CVT or traditional automatic, Valvoline MaxLife Multi-Vehicle ATF is suitable for a broad range of transmissions including Ford, GM, Toyota, Honda, Nissan, Hyundai, Subaru, BMW, Mercedes, Volvo, VW and Audi vehicles. It€™s specifically recommended for use in the following applications: GM DEXRON-II, DEXRON-III, DEXRON-VI, and DEX-CVT; Ford MERCON LV; Toyota/Lexus Type T, T-II, T-IV, WS, CVTF FE, and CVTF TC. For the many miles ahead, trust your transmission with Valvoline, the #1 automatic transmission fluid brand.
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Valvoline – Valvoline Extended Protection Full Synthetic Automatic Transmission Fluid ATF 1 QT, 904976 (Part No.904976)

Valvoline Extended Protection Full Synthetic Automatic Transmission Fluid ATF 1 QT, 904976

from

$15.99
Modern transmissions are better than ever, with more gears to help improve fuel efficiency and acceleration. Greater performance calls for greater protection. Valvoline Extended Protection Full Synthetic ATF features our exclusive Dual Defense Additive Technology for two layers of protection against metal-on-metal contact and thermal breakdown, all while minimizing wear on clutch components. In fact, Valvoline Extended Protection Full Synthetic ATF is 45% stronger against breakdown compared to major brand DEX/MERC oxidative PDSC performance. Proven to maximize transmission life, our patented formula keeps your modern vehicle shifting smoothly, mile after mile, with the ultimate protection you can only expect from Valvoline, the #1 ATF brand.
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Top-Quality Differential Axle Shafts for 2021 Ram 3500s

Choose a high-quality OEM or aftermarket Differential Axle Shaft for Ram 3500s and enjoy top-notch performance from $536.99.

Dorman – Dorman Axle Disconnect Kit, 630-060 (Part No.630-060)

Dorman Axle Disconnect Kit, 630-060

from

$536.99
The shaft and components in this front inner axle disconnect kit are designed to match the performance of the original equipment on specified 4WD Ram 2500 and 3500 trucks. The precision-engineered shaft is pre-assembled to save installation time and hassle, and has been rigorously tested for fit and durability to help restore and ensure consistent power delivery to the wheels.
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Our Top Pick for a 2021 Ram 3500 Front Housing Cover Gasket

Invest in a durable Front Housing Cover Gasket for your 2021 Ram, knowing you’re getting trusted brands and expert craftsmanship.

Felpro – Felpro Axle Housing Cover Gasket, RDS 55501 (Part No.RDS 55501)

Felpro Axle Housing Cover Gasket, RDS 55501

from

$28.99
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.
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Our Differential Crush Sleeves for 2021 Ram 3500s

Make a smart move for your 2021 Ram 3500 with our Differential Crush Sleef for $13.99.

Yukon Gear – Yukon Gear Crush Sleeve, 33099 (Part No.33099)

Yukon Gear Crush Sleeve, 33099

from

$13.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.
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Top-Rated Differential Brands For Your 2021 Ram 3500

When it comes to finding the perfect Differential for your 2021 Ram 3500, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 6 trusted brands. We carry the most popular Differential brands including Royal Purple, and more, all known for their exceptional customer ratings (average brand rating of 4.8 stars) and competitive prices, as low as $28.49. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 2021 Ram 3500, providing peace of mind with parts that meet or exceed OEM standards.

Popular Royal Purple 2021 Ram 3500 Differentials

If you’re looking for a top-quality Differential for your 2021 Ram 3500, 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 $28.49, you’ll find the perfect Differential for your needs and budget. Royal Purple Differentials for the 2021 Ram 3500 come highly rated, with over 57 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.

FAQs for 2021 Ram 3500 Differentials

What are the best-selling Differentials for 2021 Ram 3500s?

Out of 16 Differentials that fit 2021 Ram 3500s, the following parts are the top sellers:

What’s the price range for 2021 Ram 3500 Differentials?

The prices of Differentials for the 2021 Ram 3500 range from $13.99 up to $971.99 for the most premium parts.

What is the average price of a Differential for a 2021 Ram 3500?

The average price for Differentials for the 2021 Ram 3500 is $301.53. 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 Ram 3500 model years?

Yes, we carry Differentials for 14 model years of Ram 3500s between 2011 and 2026. The following model years are the most popular for Differential purchases: 2022, 2020, 2019, 2018, 2017, 2016, 2015, 2014, and 2013.

Does Advance Auto Parts sell Differentials for any other 2021 Ram models?

Yes. We stock Differentials for 7 other popular 2021 Ram models. Some of the most popular are 2021 1500 Differentials, 2021 2500 Differentials, 2021 ProMaster 1500 Differentials, 2021 ProMaster 3500 Differentials, and 2021 ProMaster 2500 Differentials.

What are the top-rated Differentials that fit the 2021 Ram 3500?

The one 2021 Ram 3500 Differential we have in stock is the Yukon Gear Crush Sleeve, 33099. It costs $13.99.

What types of Differentials do you sell for my 2021 Ram 3500?

As of 8/2/26, these are some of the most in-demand types of Differentials for a 2021 Ram 3500:

Can I get help with 2021 Ram 3500 Differential orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Ram Differentials and more.

What is your return policy for Ram 3500 Differentials?

Advance Auto Parts keeps returns simple. For new Ram 3500 Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.