2021 Ford F-250 Super Duty Differentials

Keep Your 2021 Ford F-250 Super Duty in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 2021 Ford F-250 Super Duty looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Ring Gear Bolts, 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, Valvoline, and DriveWorks. For example, Royal Purple Differentials start at just $19.49 with an average 4.8 star rating. Valvoline and DriveWorks offer similar pricing and quality, backed by strong customer feedback. With over 5,540 reviews and a solid 5 star average, you can shop with confidence knowing other Ford F-250 Super Duty owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2021 Ford F-250 Super Duty Differential at Advance Auto Parts is around $326.78, with a range that starts at $2.99 and goes up to $876.99. With 24 options in stock from 8 trusted brands, finding the right fit is easy. Popular picks like Flex Fill Transmission & Differential Gear Oil: Full Synthetic 75W-90, 1 Quart, Tapered Roller Bearing Cone, and Taper Bearing Cone start at just $11.99 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 4WD Components and Universal Joints. At Advance Auto Parts, we’re here to help you keep your 2021 Ford F-250 Super Duty in peak condition, inside and out.

Essential 2021 Ford F-250 Super Duty Differentials

Spartan – Drive Axle Assembly; Ford F-250/350 SD Axle (Part No.RAX2043B)

Drive Axle Assembly; Ford F-250/350 SD Axle

from

$2259.99
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:
  • 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
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USA Standard Gear – AxleAssy Front Left (Part No.35214)

AxleAssy Front Left

from

$432.99
AxleAssy Front Left

Yukon Gear – Axle Shaft (Part No.21841)

Axle Shaft

from

$535.99
Axle Shaft

LuK – Differential Repair Kit (Part No.GDK314-MK)

Differential Repair Kit

from

$651.99
Product Features:
  • Each LuK GearBOX contains all the OE quality bearings needed for a professional transmission repair
  • LuK Differential Bearing Kits are designed to meet or exceed OEM requirements. This will ensure customer satisfaction.
  • LuK Differential Bearing Kits contain the bearings and seals needed to complete the job.
  • LuK Differential Bearing Kits include wear parts such as seals, O-rings, shaft sealing rings, support bearings and spare parts where necessary for eliminating the specific cause of failure.
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Yukon Gear – Bearing Install Kit For Dana 50 Differential (Straight Axle) (Part No.11030)

Bearing Install Kit For Dana 50 Differential (Straight Axle)

from

$459.99
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:
  • Fits solid axle Dana Spicer 50
  • Included are carrier bearings and races, pinion bearings and races, pinion seal, crush sleeve, marking compound and brush.
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Motive Gear – Differential Master Bearing Kit – Timken (Part No.R10.25RMKT)

Differential Master Bearing Kit - Timken

from

$459.99
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:
  • MASTER BRG KIT 10 1/4″ FORD
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Motive Gear – Differential Pinion Shim Kit (Part No.1118)

Differential Pinion Shim Kit

from

$6.99


Product Features:
  • DANA PRELOAD SHIMS (D60 & D70)
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Yukon Gear – Replacement Pinion Depth Shims For Dana 70HD, Dana 70, Ford 10.25" & 10.5" (Part No.55013)

Replacement Pinion Depth Shims For Dana 70HD, Dana 70, Ford 10.25" & 10.5"

from

$16.99
Product Features:
  • Pinion depth shims for Dana Spicer 70 and 70HD, Ford 10.25″ and 10.5″
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Motive Gear – Differential Pinion Shim Kit (Part No.1102)

Differential Pinion Shim Kit

from

$9.99


Product Features:
  • KIT SHIM PINION
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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 – 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
See More

Idemitsu – Type HP Automatic Transmission Fluid , 1 Quart (Part No.10107-042F)

Type HP Automatic Transmission Fluid , 1 Quart

from

$10.29
Formulated to meet the specific requirements of Subaru vehicles equipped with conventional (non-CVT) transmissions up to model year 2005. Recommended for service-fill in all Subaru automatic transmissions where SUBARU ATF HP 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
  • Excellent resistance to oxidation and thermal breakdown provide long fluid life and extended protection
  • 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
  • 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
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Yukon Gear – Replacement Clutch Set For Dana 44 Powr Lok, Smooth (Part No.16152)

Replacement Clutch Set For Dana 44 Powr Lok, Smooth

from

$177.99
Product Features:
  • Clutch kit
  • Fit Dana Spicer 44 and Chrysler 8.75″ Powr Lok positraction
  • Smooth design
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Yukon Gear – Tracloc Positraction Clutch Set For 3 Pinion Design For 10.5" Ford (Part No.16101)

Tracloc Positraction Clutch Set For 3 Pinion Design For 10.5" Ford

from

$529.99
TracLoc positraction clutch set for 3 pinion design for 10.5″ Ford.

Product Features:
  • Clutch kit
  • Fit Ford 10.5″ Trac Loc positraction
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Yukon Gear – Dana 60 & Dana 70 Power Lok Clutch Set (Steel & Fiber) (Part No.16155)

Dana 60 & Dana 70 Power Lok Clutch Set (Steel & Fiber)

from

$181.99
Dana 60 & Dana 70 Power Lok clutch set (steel & fiber).

Product Features:
  • Clutch kit
  • Fit Dana Spicer 60, 70, 70U and 70HD Powr Lok positraction
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Yukon Gear – RngPnnKt (Part No.24766)

RngPnnKt

from

$779.99
RngPnnKt

Yukon Gear – High Performance Ring & Pinion Gear Set For Dana 60 Reverse Rotation In A 4.11 Ratio (Part No.24065)

High Performance Ring & Pinion Gear Set For Dana 60 Reverse Rotation In A 4.11 Ratio

from

$624.99
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:
  • Fits reverse rotation Dana Spicer 60
  • 9.75″ ring gear diameter
  • 29 spline pinion
  • 12 ring gear bolts
  • 4.11 ratio
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Yukon Gear – High Performance Ring & Pinion Gear Set For Dana 50 Reverse Rotation In A 5.13 Ratio (Part No.24303)

High Performance Ring & Pinion Gear Set For Dana 50 Reverse Rotation In A 5.13 Ratio

from

$434.99
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:
  • Fits Dana Spicer 50
  • 9.00″ ring gear diameter
  • 26 spline pinion
  • 10 ring gear bolts
  • 5.13 ratio
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Driveworks – Taper Bearing Cone (Part No.S-LM-104949)

Taper Bearing Cone

from

$11.99
Value-priced bearing meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
See More

National – Tapered Roller Bearing Cone (Part No.JLM104948)

Tapered Roller Bearing Cone

from

$24.49
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.

Product Features:
  • PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
  • SMOOTH ROTATION – Crowned raceways and rollers for even load distribution
  • OE-STYLE DESIGN – Engineered to meet OE specifications
  • COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
  • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
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FAG US – Cone (Part No.KM86649)

Cone

from

$24.29
With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.

Product Features:
  • High-precision and High-quality components used in all KITs
  • Coverage of classic and new high-tech solutions for the best system coverage
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aFe POWER – Differential Cover (Part No.46-70352)

Differential Cover

from

$367.99
aFe Powers new rear-end differential cover brings performance engineering to the protection of your trucks rear-end. This differential cover has a 5 quart lube capacity (factory cover holds 4 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 A356 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.

Product Features:
  • Constructed of Durable A356 Die Cast Aluminum
  • Reinforcing Ribs and Wrinkle Black Powder coat
  • Magnetic Drain and Fill Plugs Capture Loose Particles
  • Large Oil Level Sight Glass w/Calibration Plug
See More

Dorman – Differential Cover Assembly (Part No.697-741)

Differential Cover Assembly

from

$57.99
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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ATP – DIFF COVER KIT (Part No.111105)

DIFF COVER KIT

from

$61.99
DIFF COVER KIT

Yukon Gear – Replacement Ring Gear Bolt For Dana 60, 70, 70U & 70HD, 1/2" X 18 (Part No.33037)

Replacement Ring Gear Bolt For Dana 60, 70, 70U & 70HD, 1/2" X 18

from

$4.99
Replacement ring gear bolt for Dana 60, 70, 70U & 70HD, 1/2″ x 18.

Product Features:
  • Ring gear bolt for Dana Spicer 60, 70, 70U and 70HD
  • 1/2″ x 18 thread
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Yukon Gear – Replacement Ring Gear Bolt For Model 20, Grand Cherokee 35, "Super" Dana 30 & Dana 50 – 7/16" X 20 (Part No.33040)

Replacement Ring Gear Bolt For Model 20, Grand Cherokee 35, "Super" Dana 30 & Dana 50 - 7/16" X 20

from

$3.99
Replacement ring gear bolt for Model 20, Grand Cherokee 35, “Super” Dana 30 & Dana 50. 7/16″ x 20.

Product Features:
  • Ring gear bolt for AMC Model 20, “Super” 35, Dana Spicer “Super” 30 and Dana Spicer 50
  • 7/16″ 20 thread
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Yukon Gear – Ring Gear Bolt For Ford 10.25" & 10.5" (Part No.33042)

Ring Gear Bolt For Ford 10.25" & 10.5"

from

$6.99
Ring Gear bolt for Ford 10.25″ & 10.5″. 1/2″ x 20.

Product Features:
  • Ring gear bolt for Ford 10.25″ and 10.5″
  • 1/2″ x 20 thread
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Motive Gear – Ring Gear Bolt (Part No.E5TZ4216A)

Ring Gear Bolt

from

$2.99


Product Features:
  • Ford 10.25″RING GEAR BOLT 1.33″ O.A. 1″ THREADS
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Most Popular Differential Ring Gear Bolt for 2021 Ford F-250 Super Duties

Enhance your 2021 Ford F-250 Super Duty with this popular Differential Ring Gear Bolt we have in stock, for $2.99.

Motive Gear – Ring Gear Bolt (Part No.E5TZ4216A)

Ring Gear Bolt

from

$2.99


Product Features:
  • Ford 10.25″RING GEAR BOLT 1.33″ O.A. 1″ THREADS
See More

Best-Selling 2021 Ford F-250 Super Duty Differential Oil

Upgrade your F-250 Super Duty with one of our 6 best-selling Differential Oil, earning an average 5 stars rating across 529 reviews.

Royal Purple – High Performance 5W-30 Synthetic Engine Oil, Better Wear Protection, 5 Quart (Part No.51530)

High Performance 5W-30 Synthetic Engine Oil, Better Wear Protection, 5 Quart

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.

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
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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
See More

Royal Purple – Max Automatic Transmission Fluid (1 Quart) (Part No.01320)

Max Automatic Transmission Fluid (1 Quart)

from

$19.49
Max ATF is a synthetic, high-performance, automatic transmission fluid. Its low co-efficient of friction and high film strength help to dramatically reduce heat and wear. Additionally, Max ATF is more oxidation stable than other transmission fluids for longer fluid life. Max ATF significantly reduces heat to extend the life of your transmission.

Product Features:
  • High performance automatic transmission fluid
  • High film strength helps to dramatically reduce heat and wear
  • Fully compatible and can be mixed with other automatic transmission fluids
  • Extends the life of your transmission
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Valvoline – SynPower Transmission & Differential Gear Oil: Full Synthetic 75W-140, 1 Gallon (Part No.887344)

SynPower Transmission & Differential Gear Oil: Full Synthetic 75W-140, 1 Gallon

from

$69.99
Valvoline SAE 75W-140 Full Synthetic Gear Oil provides the ultimate gear protection in hypoid rear differentials and non-synchronized manual transmissions. Engineered to outperform, our formulation provides 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 and wear resistance, a limited slip additive for optimal clutch pack performance, and an anti-foaming agent for better lubrication and service life. It’s recommended for conventional rear axles and transmissions requiring EP gear lubes under high speed, high load, high torque and high horsepower conditions.

Product Features:
  • EXCEPTIONAL HIGH AND LOW TEMPERATURE PROTECTION ranging from -22F to 390F degrees
  • 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
  • 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
  • MEETS OR EXCEEDS PERFORMANCE REQUIREMENTS for Ford M2C-192A, GM 12346140, Chrysler MS-8985 and API GL-5
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Valvoline – Flex Fill Transmission & Differential Gear Oil: Full Synthetic 75W-90, 1 Quart (Part No.889785)

Flex Fill Transmission & Differential Gear Oil: Full Synthetic 75W-90, 1 Quart

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.

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
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Valvoline – ULV ATF Full Synthetic Ultra Low Viscosity Automatic Transmission Fluid, 1 Quart (Part No.888460)

ULV ATF Full Synthetic Ultra Low Viscosity Automatic Transmission Fluid, 1 Quart

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:
  • 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
See More

Top-Quality Differential Axle Shafts for 2021 Ford F-250 Super Duties

Choose a high-quality OEM or aftermarket Differential Axle Shaft for Ford F-250 Super Duties and enjoy top-notch performance from $432.99.

USA Standard Gear – AxleAssy Front Left (Part No.35214)

AxleAssy Front Left

from

$432.99
AxleAssy Front Left

Yukon Gear – Axle Shaft (Part No.21754)

Axle Shaft

from

$559.99
Axle Shaft

Top Picks for 2021 Ford F-250 Super Duty Differential Bearings

Invest in one of our 3 durable Differential Bearings for your 2021 Ford, knowing you’re getting trusted brands and expert craftsmanship.

National – Tapered Roller Bearing Cone (Part No.LM104949)

Tapered Roller Bearing Cone

from

$21.99
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.

Product Features:
  • PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
  • SMOOTH ROTATION – Crowned raceways and rollers for even load distribution
  • OE-STYLE DESIGN – Engineered to meet OE specifications
  • COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
  • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
See More

Driveworks – Taper Bearing Cone (Part No.S-LM-104949)

Taper Bearing Cone

from

$11.99
Value-priced bearing meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
See More

Driveworks – Tapered Cone Wheel Bearing Assembly (Part No.S-387-AS)

Tapered Cone Wheel Bearing Assembly

from

$18.49
Value-priced bearing meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
See More

Differential Covers for 2021 Ford F-250 Super Duties

Make a smart move for your 2021 Ford F-250 Super Duty with products all priced from $311.99 to $488.99.

aFe POWER – Differential Cover (Part No.46-70020)

Differential Cover

from

$311.99
aFe Powers new rear differential cover brings performance engineering to the protection of your axles differential. This differential cover is constructed out of durable die cast aluminum with reinforced ribs and wrinkle black powder coating for maximum strength and styling. This cover comes with all necessary hardware and includes an O-ring for a leak free seal. This cover has about a 5 quart lube capacity at the factory line; factory cover holds about 4 quarts. Built-in internal and external fins transfer heat from the fluid to the outside air for maximum cooling. This system incorporates a large magnetic drain and fill plug that captures loose particles for maximum rear-end protection. Pre-installed large oil level sight glass with calibration plug set to the factory fluid level to eliminate overfilling.

Product Features:
  • 5 Quart Lube Capacity
  • Built In Internal/External Fins
  • Magnetic Drain Plug
  • Optional Accessories Available
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aFe POWER – Differential Cover (Part No.46-70022)

Differential Cover

from

$488.99
aFe Power’s new rear differential cover brings performance engineering to the protection of your axles differential. This differential cover is constructed out of durable die cast aluminum with reinforced ribs and wrinkle black powder coating for maximum strength and styling. This cover comes with all necessary hardware and includes an O-ring for a leak free seal. This cover has about a 5 quart lube capacity at the factory line; factory cover holds about 4 quarts. Built-in internal and external fins transfer heat from the fluid to the outside air for maximum cooling. This system incorporates a large magnetic drain and fill plug that captures loose particles for maximum rear-end protection. Pre-installed large oil level sight glass with calibration plug set to the factory fluid level to eliminate overfilling.

Product Features:
  • External Fins Transfer Heat To Atmosphere
  • Internal Fins Absorb Heat From Lubricating Fluid
  • Magnetic Fill Plug
  • Magnetic Drain Plug
See More

aFe POWER – Differential Cover (Part No.46-70352)

Differential Cover

from

$367.99
aFe Powers new rear-end differential cover brings performance engineering to the protection of your trucks rear-end. This differential cover has a 5 quart lube capacity (factory cover holds 4 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 A356 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.

Product Features:
  • Constructed of Durable A356 Die Cast Aluminum
  • Reinforcing Ribs and Wrinkle Black Powder coat
  • Magnetic Drain and Fill Plugs Capture Loose Particles
  • Large Oil Level Sight Glass w/Calibration Plug
See More

aFe POWER – Differential Cover (Part No.46-70350)

Differential Cover

from

$311.99
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. 5 Quart Gear Oil Capacity: This cover has about a 5 quart gear oil capacity at the factory fill level, factory cover holds about 4 quarts. Built-in Cooling Fins: Built-in internal and external cooling fins increase surface area to maximize cooling of the differential oil. 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.

Product Features:
  • Constructed Of Durable A356 Die Cast Aluminum
  • Raw Finish w/Machined Fins
  • Reinforcing Ribs
  • Magnetic Drain Plug Captures Loose Particles
See More

Top-Rated Differential Brands For Your 2021 Ford F-250 Super Duty

When it comes to finding the perfect Differential for your 2021 Ford F-250 Super Duty, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 8 trusted brands. We carry the most popular Differential brands including Royal Purple, Valvoline, and DriveWorks, and more, all known for their exceptional customer ratings (average brand rating of 4.8 stars) and competitive prices, as low as $11.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 2021 Ford F-250 Super Duty, providing peace of mind with parts that meet or exceed OEM standards.

Popular Royal Purple 2021 Ford F-250 Super Duty Differentials

If you’re looking for a top-quality Differential for your 2021 Ford F-250 Super Duty, Advance Auto Parts has exactly what you need with our selection of Royal Purple Differentials. We have 2 Royal Purple Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $19.49 and an average cost of $30.74, you’ll find the perfect Differential for your needs and budget. Royal Purple Differentials for the 2021 Ford F-250 Super Duty come highly rated, with over 163 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.
Max Automatic Transmission Fluid (1 Quart)
from $19.49
(30)
Max Automatic Transmission Fluid (1 Quart)
“I believe it improves car performance and maintains all running parts much better then the regular transmission fluids out there. Love this product an”

Top-Quality Valvoline 2021 Ford F-250 Super Duty Differentials

For those in search of a high-quality Differential for their 2021 Ford F-250 Super Duty, Advance Auto Parts offers a great selection of Valvoline Differentials. With 2 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, with an average price of $42.24, giving you a range of options to suit your budget. Backed by over 366 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.
DEXRON - VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart
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 Ford F-250 Super Duty Differentials

What are the best-selling Differentials for 2021 Ford F-250 Super Duties?

Out of 24 Differentials that fit 2021 Ford F-250 Super Duties, the following parts are the top sellers:

What’s the price range for 2021 Ford F-250 Super Duty Differentials?

The prices of Differentials for the 2021 Ford F-250 Super Duty range from $2.99 up to $876.99 for the most premium parts.

What is the average price of a Differential for a 2021 Ford F-250 Super Duty?

The average price for Differentials for the 2021 Ford F-250 Super Duty is $326.78. 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 Ford F-250 Super Duty model years?

Yes, we carry Differentials for 25 model years of Ford F-250 Super Duties between 1999 and 2025. The following model years are the most popular for Differential purchases: 2022, 2020, 2019, 2018, 2017, 2016, 2015, 2014, and 2013.

What are the cheapest Differentials for my 2021 Ford F-250 Super Duty?

The cheapest 2021 Ford F-250 Super Duty Differentials we carry are:

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

Yes. We stock Differentials for 18 other popular 2021 Ford models. Some of the most popular are 2021 F-150 Differentials, 2021 Mustang Differentials, 2021 Explorer Differentials, 2021 Bronco Differentials, and 2021 F-350 Super Duty Differentials.

What are the top-rated Differentials that fit the 2021 Ford F-250 Super Duty?

Based on 5,540 reviews by customers, our 2021 Ford F-250 Super Duty Differentials have an average customer rating of 5 stars. These are the highest-rated categories of Differentials for the 2021 Ford F-250 Super Duty and their top-rated products:

What types of Differentials do you sell for my 2021 Ford F-250 Super Duty?

As of 11/2/25, these are some of the most in-demand types of Differentials for a 2021 Ford F-250 Super Duty:

Can I get help with 2021 Ford F-250 Super Duty Differential orders?

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

What is your return policy for Ford F-250 Super Duty Differentials?

Advance Auto Parts keeps returns simple. For new Ford F-250 Super Duty Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.