2021 Toyota 4Runner Drivetrains
Find Your Specific 2021 Toyota 4Runner Drivetrains
Below you will find various in-demand Toyota Drivetrains, components and accessories for your 2021 4Runner. Advance Auto Parts has popular 4Runner parts like 4WD Components, Drive Shafts and Axles, Differentials and more. You’ll also find aftermarket and OEM Drivetrains for other 4Runner model years including
2014,
2015,
2016,
2017,
2018,
2019,
2020,
2022,
2023 and more. Select a category of 2021 Toyota 4Runner Drivetrains below and start saving instantly.
Popular 2021 Toyota 4Runner Drivetrains Categories
Essential Drivetrains for 2021 Toyota 4Runners
Driveworks – Wheel Seal (Part No.S-710576)
Driveworks – Oil Seal (Part No.S-225875)
Yukon Gear – Bearing Install Kit For Toyota Turbo 4 And V6 Differential With 27 Spline Pinion (Part No.11092)
from
$504.99
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 high quality 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), 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 pinion gear. This kit fits applications with a 27 spline pinion.
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Product Features:
- Fits Toyota V6 rear
- Included are carrier bearings and races, pinion bearings and races, pinion seal, crush sleeve , marking compound and brush.
USA Standard Gear – Master Overhaul Kit For The Toyota V6, ’03 & Up (Part No.37075)
from
$429.99
USA Standard Master Overhaul kits let you finish your install with confidence. This kit uses Koyo bearings and races. Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve (if applicable), oil baffles and slingers (if applicable), threading locking compound, marking compound with brush and gasket. This kit fits applications with a 29 spline pinion.
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Product Features:
- Fits Toyota V6 rear
- Uses Koyo bearings and races
- Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve eliminator, oil baffles and slingers, thread locker, marking compound and brush.
Motive Gear – Differential Ring and Pinion (Part No.T529IFS)
Yukon Gear – High Performance Chrome-Moly Ring & Pinion Gear Set For Toyota 8" In A 5.71 Ratio (Part No.24625)
from
$384.99
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.
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Product Features:
- Fits 1979-1985 Toyota Pickup and 4Runner and 1975-1990 Landcruiser
- 5.71 ratio
- 29 spline pinion
MOOG Driveline Products – Greaseable Premium Universal Joint (Part No.387)
from
$25.99
Backed by superior materials and rigorous testing, MOOG Premium universal joints deliver reliable performance you can count on. MOOG problem-solving innovations ensure fast, hassle-free installation.
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Product Features:
- COMPREHENSIVE COVERAGE – Available for foreign and domestic nameplates
- GREASEABLE DESIGN – Greaseable u-joints allow for new grease to flush out contaminants and moisture
- KEEPS DIRT OUT – Nitrile rubber grease seals use a compressed double lip design for effective protection against contaminants
- RIGOROUS TESTING – Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
- STRONG AND DURABLE – Bearing cups are cold-forged, case-hardened and precision ground while steel cross is forged and carburized heat treated for strength and durability
- Cross forging shape and flash provide easier installation and high strength
Driveworks – Universal Joint (Part No.DW-387)
from
$25.99
Driveworks Universal Joints are designed to meet or exceed OE fit, form, and function. These universal joints are set to provide superior quality and easy installation. Driveworks Universal Joints are constructed from quality materials for extended durability. Driveworks Universal Joints are pre-lubricated with premium grease to provide a longer service life. The grease fittings are pre-installed to allow for easy maintenance (where applicable).
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Product Features:
- The cross is hot forged for the higher torque and horsepower
- The bearing cups are made by cold forging, having higher strength and better rigidity
- Bearing cups allow 360 lubricant distribution to bearing surfaces, and are precision-ground for maximum load-carrying capabilities
- Lubrication grooves are designed to ensure grease penetration to entire journal and needle bearings
- Grease fitting in the cross allows for easy maintenance and the flexible use of the whole assembly
- Snap rings are held to strict tolerances to ensure proper cup position and retention
- Nitrile rubber seals to optimize grease retention and reduce contamination
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 – 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
USA Standard Gear – Master Overhaul Kit for New Toyota Clamshell Design Front Reverse Rotation Differential (Part No.37115)
from
$614.99
USA Standard Master Overhaul kits let you finish your install with confidence. This kit uses Koyo bearings and races. Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve (if applicable), oil baffles and slingers (if applicable), threading locking compound, marking compound with brush and gasket.
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Product Features:
- Fits Toyota 8″ clamshell front
- Uses Koyo bearings and races
- Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, pinion nut, crush sleeve, thread locker, marking compound with brush and silicone.
USA Standard Gear – Master Overhaul Kit for Toyota 7.5" IFS Differential, V6 (Part No.37111)
from
$363.99
USA Standard Master Overhaul kits let you finish your install with confidence. This kit uses Koyo bearings and races. Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve (if applicable), oil baffles and slingers (if applicable), threading locking compound, marking compound with brush and gasket.
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Product Features:
- Fits reverse rotation Toyota 7.5″
- Uses Koyo bearings and races
- Included are carrier bearings and races, pinion bearings and races, pinion seal, axle seals, complete shim kit, ring gear bolts, pinion nut, crush sleeve, oil baffles and slingers, thread locker, marking compound with brush and silicone.
Yukon Gear – Replacement Pinion Depth Shims For Dana 60, 61 & D70-U (Part No.55012)
Yukon Gear – Pinion Depth Shim Kit For Toyota8", GM 7.5", 8.2" & 12 Bolt Truck (Part No.55064)
from
$39.99
8″ Toyota, 7.5″ GM, 8.2″ GM, 12T, pinion shim set, & Mazda truck.
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Product Features:
- Pinion depth shim kit for Toyota 7.5″, 8″ and V6
Dorman – Four Wheel Drive Axle Actuator Assembly (Part No.600-488)
from
$448.99
This 4WD actuator directly replaces the original equipment part on specific vehicle applications. It is reverse engineered to reliably restore proper functionality.
Product Features:
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Product Features:
- Direct replacement – this 4WD axle actuator directly replaces the original equipment part on specific vehicle years, makes and models
- Effective fix – installation addresses inoperative four-wheel drive caused by failed original actuator
- Smart solution – delivers reliable fit and function for competitive price
- Trustworthy quality – backed by team of designers and engineers in the United States
Dorman – Wheel Bearing Hub Nut (Part No.926-263)
from
$29.99
This spindle nut is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.
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Product Features:
- Direct replacement – this spindle nut matches the fit and function of the factory part on specified years, makes and models
- Ideal solution – this nut is a reliable replacement for an original part that is missing or has failed due to fatigue
- Durable construction – this part is made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Yukon Gear – Spindle Nut Kit For Toyota Front (Part No.33513)
Carquest Premium – CV Axle Shaft Assembly (Part No.NCV69170XD)
from
$211.99
Carquest Premium constant velocity (C.V.) axle shaft assemblies are 100% new units that are designed to meet or exceed OE specifications. Every part number is tested to guarantee a proper fit and reliable performance. Carquest Premium CV axles are assembled with a specially formulated high-temperature moly grease to resist friction and wear of the bearings and joints. Our strict engineering and quality specifications ensure a long-lasting repair that is guaranteed with an industry-leading warranty.
Product Features:
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Product Features:
- Designed to meet or exceed OE specifications for fit, form and function
- 100% new axle and components
- New axle nut or attaching hardware included when applicable
- Bearings, races and housings are heat-treated for longer life
- Precision-engineered seal mating surfaces for leak-free performance
- High moly CV joint grease with stainless-steel boot bands
Carquest Premium – CV Axle Shaft Assembly (Part No.NCV69073)
from
$159.99
Carquest Premium constant velocity (C.V.) axle shaft assemblies are 100% new units that are designed to meet or exceed OE specifications. Every part number is tested to guarantee a proper fit and reliable performance. Carquest Premium CV axles are assembled with a specially formulated high-temperature moly grease to resist friction and wear of the bearings and joints. Our strict engineering and quality specifications ensure a long-lasting repair that is guaranteed with an industry-leading warranty.
Product Features:
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Product Features:
- Designed to meet or exceed OE specifications for fit, form and function
- 100% new axle and components
- New axle nut or attaching hardware included when applicable
- Bearings, races and housings are heat-treated for longer life
- Precision-engineered seal mating surfaces for leak-free performance
- High moly CV joint grease with stainless-steel boot bands
Carquest Premium – New CV Axle Shaft Assembly (Part No.NCV69142)
from
$148.99
Carquest Premium constant velocity (C.V.) axle shaft assemblies are 100% new units that are designed to meet or exceed OE specifications. Every part number is tested to guarantee a proper fit and reliable performance. Carquest Premium CV axles are assembled with a specially formulated high-temperature moly grease to resist friction and wear of the bearings and joints. Our strict engineering and quality specifications ensure a long-lasting repair that is guaranteed with an industry-leading warranty.
Product Features:
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Product Features:
- Designed to meet or exceed OE specifications for fit, form and function
- 100% new axle and components
- New axle nut or attaching hardware included when applicable
- Bearings, races and housings are heat-treated for longer life
- Precision-engineered seal mating surfaces for leak-free performance
- High moly CV joint grease with stainless-steel boot bands
Dorman – Pre-Pressed Axle (OE Fix) (Part No.926-137)
from
$869.99
Replacing a worn wheel bearing usually requires a time-consuming procedure with a shop press. This Dorman OE FIX loaded axle includes all critical components already assembled for a fast, simple, safe install.
Product Features:
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Product Features:
- Easier installation – this loaded axle assembly includes a new axle shaft, wheel bearing, hub and backing plate pre-assembled and ready to install right out of the box
- Time saver – eliminates frustrating, unpredictable work required to replace bearings without damaging other components
- Simpler solution – eliminates the need to use potentially dangerous shop press to perform complete bearing repair
- Quality tested – this part has undergone try-on, corrosion and material testing to ensure a quality fit and long service life
Yukon Gear – T8 30Spline Axle (24.64" – 29.08" Cut2Lth) 4340 – 106Mm Brake Pilot (Part No.21724)
from
$274.99
T8 30spline axle ’86-00 (24.64″ – 29.08″ CUT2LTH) 4340.
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Product Features:
- Fits 1979-2000 Toyota 8″ and V6 rear
- 4340 Chromoly
- 30 spline
- 29 1/8″ long
- Cut to length design fits 26.62″-29.26″ applications
- 106mm brake pilot
Dorman – Pre-Pressed Axle (OE Fix) (Part No.926-138)
from
$868.99
Replacing a worn wheel bearing usually requires a time-consuming procedure with a shop press. This Dorman OE FIX loaded axle includes all critical components already assembled for a fast, simple, safe install.
Product Features:
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Product Features:
- Easier installation – this loaded axle assembly includes a new axle shaft, wheel bearing, hub and backing plate pre-assembled and ready to install right out of the box
- Time saver – eliminates frustrating, unpredictable work required to replace bearings without damaging other components
- Simpler solution – eliminates the need to use potentially dangerous shop press to perform complete bearing repair
- Quality tested – this part has undergone try-on, corrosion and material testing to ensure a quality fit and long service life
Dorman – Axle Shaft (Part No.630-500)
from
$298.99
This axle shaft directly replaces the original equipment on certain vehicles, complete with all necessary application-specific installation components.
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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
Dorman – 4WD Transfer Case Motor (Part No.600-493)
from
$1189.99
Transfer case stopped shifting between high and low ranges? Swap out a seized transfer case motor with this direct replacement. Designed to install and perform like the original motor, it uses a factory-style connector and is sealed for protection.
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Product Features:
- Direct replacement – this transfer case motor fits and performs like the original motor on certain vehicle applications
- Durable construction – made with factory-style electrical connector and weathertight seal to prevent corrosion
- 100% new – this transfer case motor is entirely new, not remanufactured like competitors
- Quality assured – vehicle-specific application has been validation tested to ensure quality
Dorman – 4WD Transfer Case Motor Assembly (Part No.600-423)
from
$1102.99
Transfer case stopped shifting between high and low ranges? Swap out a seized transfer case motor with this direct replacement. Designed to install and perform like the original motor, it uses a factory-style connector and is sealed for protection.
Product Features:
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Product Features:
- Direct replacement – this transfer case motor fits and performs like the original motor on certain vehicle applications
- Durable construction – made with factory-style electrical connector and weathertight seal to prevent corrosion
- 100% new – this transfer case motor is entirely new, not remanufactured like competitors
- Quality assured – vehicle-specific application has been validation tested to ensure quality
Upgrade your 2021 Toyota 4Runner with Top-Quality Drivetrains
When it comes to maintaining or upgrading your 2021 Toyota 4Runner, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Toyota or enhancing its overall performance, Drivetrains are key to keeping your 4Runner functioning at its best. At Advance Auto Parts, we offer a wide selection of 23 Drivetrains for the 2021 Toyota 4Runner, designed to meet your needs without breaking the bank.
From
4WD Component
replacements to
Drive Shafts and Axles
upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.
Affordable Prices and Wide Selection
Shopping for Drivetrains for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Drivetrains for your 2021 Toyota 4Runner at great prices.
Our Drivetrains inventory for this model
ranges from just $13.49 to $1,189.99, with
an average price of $455.33.
Our 23 Drivetrains in stock come from 9 trusted brands, so you’re sure to find the right part for your 2021 Toyota 4Runner without overspending.
Top Brands and High Customer Satisfaction
Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 2021 Toyota 4Runner, we stock popular OEM and aftermarket Drivetrains from top names
like Valvoline, and more.
Valvoline Drivetrains
start at just $13.99 and boast an impressive 4.8 stars average rating from customers.
With 1,816 customer reviews and counting, our 2021 Toyota 4Runner Drivetrains have a strong track record of reliability, ensuring you can trust your purchase.
Explore Related Parts and More
While you’re here, don’t forget to check out other essential categories that go hand in hand with Drivetrain upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants
and more to make sure your 2021 Toyota 4Runner is always ready to roll. We’re committed to providing you with everything you need to keep your 4Runner in top shape, all in one place.
Start shopping confidently below for your 2021 Toyota 4Runner!
Best-Selling 4WD Components for 2021 Toyota 4Runners
Enhance the driving experience in your Toyota with 1 quality 4WD Component components, starting at $448.99.
Dorman – Four Wheel Drive Axle Actuator Assembly (Part No.600-488)
from
$448.99
This 4WD actuator directly replaces the original equipment part on specific vehicle applications. It is reverse engineered to reliably restore proper functionality.
Product Features:
See More
Product Features:
- Direct replacement – this 4WD axle actuator directly replaces the original equipment part on specific vehicle years, makes and models
- Effective fix – installation addresses inoperative four-wheel drive caused by failed original actuator
- Smart solution – delivers reliable fit and function for competitive price
- Trustworthy quality – backed by team of designers and engineers in the United States
Most Popular 2021 Toyota 4Runner Drive Shafts and Axles
Customize your Toyota with 2 Drive Shafts and Axles products
like Drive Shaft and Axles and
Axle Shaft Seals, all
priced under $211.99.
Carquest Premium – CV Axle Shaft Assembly (Part No.NCV69170XD)
from
$211.99
Carquest Premium constant velocity (C.V.) axle shaft assemblies are 100% new units that are designed to meet or exceed OE specifications. Every part number is tested to guarantee a proper fit and reliable performance. Carquest Premium CV axles are assembled with a specially formulated high-temperature moly grease to resist friction and wear of the bearings and joints. Our strict engineering and quality specifications ensure a long-lasting repair that is guaranteed with an industry-leading warranty.
Product Features:
See More
Product Features:
- Designed to meet or exceed OE specifications for fit, form and function
- 100% new axle and components
- New axle nut or attaching hardware included when applicable
- Bearings, races and housings are heat-treated for longer life
- Precision-engineered seal mating surfaces for leak-free performance
- High moly CV joint grease with stainless-steel boot bands
Driveworks – Oil Seal (Part No.S-225875)
Top Picks for 2021 Toyota 4Runner Differentials
Upgrade Toyota 4Runners with top-quality Differentials parts, including 16 OEM and aftermarket selections for your 2021 model.
Valvoline – MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon (Part No.773775)
from
$35.99
Valvoline MaxLife Multi-Vehicle ATF is a full-synthetic formulation with advanced additives to prevent the major causes of transmission breakdown and help extend transmission life. Developed to help prevent leaks, maximize transmission performance, reduce transmission wear, and maintain smooth shifting longer than conventional fluids. It is suitable for use in a broad range of ATF applications including most Ford, GM, Toyota, Honda, Nissan, Hyundai, BMW, Mercedes, Volvo, VW & Audi. Recommended for use in the following applications: GM DEXRON-II, DEXRON-III, DEXRON-VI, Ford MERCON LV, Toyota/Lexus Type T, T-II, T-IV, WS, Honda/Acura, ATF-Z1, Nissan/Infiniti Matic-D, Matic-J, Matric-K, Matic-S, Hyundai/Kia SP-II, SP-III, SP-IV, SPH-IV, BMW 7045E, ETL 8072B, LA2634, LT71141, Allison C-4, Mercedes Benz NAG-1, Volvo 1161521, 1161540, 97340, 1273.41, and VW/Audi G-052-025-A2, G-052-162-A1. For CVT applications Valvoline recommends Valvoline Full Synthetic CVT Fluid.
Product Features:
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Product Features:
- Formulated with full-synthetic base oils and long life friction modifiers to help improve smooth shifting, eliminate slippage and shudder, prevent clutch wear and improve drivability longer than conventional fluids
- High-performance seal conditioners maintain and preserve the elasticity of seals to help prevent leaks in high mileage transmissions
- 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 – Import Multi-Vehicle Synthetic Automatic Transmission Fluid, 1 Quart (Part No.822389)
from
$13.99
Valvoline Import Multi-Vehicle Automatic Transmission Fluid is specifically formulated for use in most Toyota, Nissan, Honda and other imported vehicles. It is formulated with all synthetic base stocks and a proprietary additive system to ensure optimal transmission performance in a wide variety of vehicles. Valvoline Import Multi-Vehicle ATF can also be used in many domestic vehicles. It meets requirements of General Motors and Ford vehicles. Recommended for use in the following applications: Ford MERCON, GM DEXRON-II and DEXRON-III, BMW LT 71141 and ETL-7045E, Nissan/Infiniti Nissan ATF, Matic-D, Matic-K and Matic-J, Mitsubishi Diamond SP-II and SP-III, Subaru ATF-HP, Hyundai/ KIA SP-II and SP-III, Toyota/Lexus Type T, T-III and T-IV, Honda/Acura ATF-Z1 (except in CVTs), Mercedes Benz NAG1, Volvo passenger car (except AW-1), and Volkswagen/Audi TL52162. For CVT applications Valvoline recommends Valvoline Full Synthetic CVT Fluid.
Product Features:
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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
Motive Gear – Differential Pinion Shim Kit (Part No.1109)
Dorman – Pre-Pressed Axle (OE Fix) (Part No.926-137)
from
$869.99
Replacing a worn wheel bearing usually requires a time-consuming procedure with a shop press. This Dorman OE FIX loaded axle includes all critical components already assembled for a fast, simple, safe install.
Product Features:
See More
Product Features:
- Easier installation – this loaded axle assembly includes a new axle shaft, wheel bearing, hub and backing plate pre-assembled and ready to install right out of the box
- Time saver – eliminates frustrating, unpredictable work required to replace bearings without damaging other components
- Simpler solution – eliminates the need to use potentially dangerous shop press to perform complete bearing repair
- Quality tested – this part has undergone try-on, corrosion and material testing to ensure a quality fit and long service life
Dorman – Pre-Pressed Axle (OE Fix) (Part No.926-138)
from
$868.99
Replacing a worn wheel bearing usually requires a time-consuming procedure with a shop press. This Dorman OE FIX loaded axle includes all critical components already assembled for a fast, simple, safe install.
Product Features:
See More
Product Features:
- Easier installation – this loaded axle assembly includes a new axle shaft, wheel bearing, hub and backing plate pre-assembled and ready to install right out of the box
- Time saver – eliminates frustrating, unpredictable work required to replace bearings without damaging other components
- Simpler solution – eliminates the need to use potentially dangerous shop press to perform complete bearing repair
- Quality tested – this part has undergone try-on, corrosion and material testing to ensure a quality fit and long service life
Yukon Gear – Master Overhaul Kit For New Toyota Clamshell Design Front Reverse Rotation Differential (Part No.14130)
from
$649.99
Yukon Master Overhaul kits give you all the high quality parts you need to start & 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 premium bearings and races along with high quality seals and small parts. Included in this kit are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve (if applicable), oil baffles and slingers (if applicable), Thread locking compound, and marking compound with brush. Yukon’s Master Overhaul kits are the most comprehensive and complete kits on the market. They do extensive research to ensure that every kit is specially tailored to your application.
Product Features:
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Product Features:
- Fits Toyota 8″ clamshell front
- Included are Timken bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve, thread locker, marking compound with brush, and silicone.
USA Standard Gear – Master Overhaul Kit for New Toyota Clamshell Design Front Reverse Rotation Differential (Part No.37115)
from
$614.99
USA Standard Master Overhaul kits let you finish your install with confidence. This kit uses Koyo bearings and races. Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve (if applicable), oil baffles and slingers (if applicable), threading locking compound, marking compound with brush and gasket.
Product Features:
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Product Features:
- Fits Toyota 8″ clamshell front
- Uses Koyo bearings and races
- Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, pinion nut, crush sleeve, thread locker, marking compound with brush and silicone.
Yukon Gear – Bearing Install Kit For New Toyota Clamshell Design Front Reverse Rotation Differential (Part No.11108)
from
$569.99
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 high quality 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 Toyota 8″ clamshell front
- Reverse rotation only
- Included are carrier bearings and races, pinion bearings and races, pinion seal, crush sleeve, marking compound and brush.
Yukon Gear – Ring and Pinion Kit (Part No.24554)
from
$569.99
Ring and Pinion Kit
Yukon Gear – Ring and Pinion Kit (Part No.24680)
from
$544.99
Ring and Pinion Kit
Yukon Gear – Ring and Pinion Kit (Part No.24681)
from
$544.99
Ring and Pinion Kit
Yukon Gear – High Performance Ring & Pinion Gear Set For Toyota FJ Cruiser Front, 4.56 Ratio, Thick (Part No.24635)
from
$529.99
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.
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Yukon Gear – High Performance Ring & Pinion Gear Set For Toyota FJ Cruiser Front, 4.88 Ratio, Thick (Part No.24565)
from
$524.99
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. This is a thick gear for a 3.73 & down carrier. 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 8″ Toyota clamshell front
- 8.00″ ring gear diameter
- 29 spline pinion
- 10 ring gear bolts
- 4.88 ratio
- Thick gear for 3.73 and down carrier
Yukon Gear – RngPnnKt (Part No.24677)
from
$468.99
RngPnnKt
Yukon Gear – RngPnnKt (Part No.24679)
from
$454.99
RngPnnKt
Castrol – Transmax ATF/CVT Universal Transmission Fluid, Smooth Performance, 1 Gallon (Part No.15E0C8)
from
$28.99
Castrol® Transmax® ATF/CVT Universal is a premium full-synthetic transmission fluid engineered for exceptional performance in both traditional step-shifting automatic transmissions and modern continuously variable transmissions (CVTs). Featuring Castrol Smooth Drive® Technology, it ensures enhanced friction durability for seamless gear shifts and superior high-temperature protection to resist oxidation. This advanced formulation offers unmatched protection against copper corrosion, extending the life of your transmission system. Its broad compatibility covers a wide range of ATF and CVT applications, including Dexron VI, Mercon LV, Toyota WS, Honda DW-1, Nissan Matic S, and many more, making it ideal for diverse vehicle types, including hybrids. Designed to improve workshop efficiency and simplify inventory management, this fluid is a versatile solution for professional mechanics and DIY enthusiasts alike. Packaged in a convenient 1-gallon size, it delivers outstanding value and reliability for maintaining optimal transmission performance.
Product Features:
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Product Features:
- Enhanced friction durability for smooth transmission performance
- Superior high temperature protection to effectively resist oxidation
- Unsurpassed protection against copper corrosion
- Broad scope of vehicle applications improves workshop efficiency and inventory management
- ATF Applications: Dexron VI (Dexron III, Dexron), Mercon LV (Mercon SP, Mercon V, Mercon), JASO 1A (03), JASO 1A LV (13), Toyota T IV, Toyota T III, Toyota WS, Honda/Acura DW 1/Z 1, Nissan Matic D, Matic J, Matic S, Hyundai/Kia SP IV, SP III
- ATF Applications: Mazda ATF M-V, M-III, FZ, Mitsubishi SP IV, SP III, IIM, II, PA, J3, VW/Audi (6, 8 & 9 speed automatics), BMW/Mini (6, 8 and 9 speed automatics), Jaguar/Land Rover (6, 8 & 9 speed automatics), Porsche (6, 8 & 9 speed automatics)
- ATF Applications: Volvo (6, 8 and 9 speed automatics), Volvo Transmission Oil 97342, AT102, Mercedes-Benz (7 and 9 speed automatics)
- CVT Applications: Toyota CVT Fluid TC, Toyota CVT Fluid FE , Nissan CVT Fluid NS-1, Nissan CVT Fluid NS-2, Nissan CVT Fluid NS-3, Subaru i-CVT Fluid, Subaru i-CVT FG, Subaru Lineartronic High Torque Chain CVTF, Honda HCF-2
In-Demand Transfer Cases for 2021 Toyota 4Runners
Select from 2 premium Transfer Cases parts for your 2021 Toyota 4Runner, with prices ranging from $1,102.99 to $1,189.99.
Dorman – 4WD Transfer Case Motor (Part No.600-493)
from
$1189.99
Transfer case stopped shifting between high and low ranges? Swap out a seized transfer case motor with this direct replacement. Designed to install and perform like the original motor, it uses a factory-style connector and is sealed for protection.
Product Features:
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Product Features:
- Direct replacement – this transfer case motor fits and performs like the original motor on certain vehicle applications
- Durable construction – made with factory-style electrical connector and weathertight seal to prevent corrosion
- 100% new – this transfer case motor is entirely new, not remanufactured like competitors
- Quality assured – vehicle-specific application has been validation tested to ensure quality
Dorman – 4WD Transfer Case Motor Assembly (Part No.600-423)
from
$1102.99
Transfer case stopped shifting between high and low ranges? Swap out a seized transfer case motor with this direct replacement. Designed to install and perform like the original motor, it uses a factory-style connector and is sealed for protection.
Product Features:
See More
Product Features:
- Direct replacement – this transfer case motor fits and performs like the original motor on certain vehicle applications
- Durable construction – made with factory-style electrical connector and weathertight seal to prevent corrosion
- 100% new – this transfer case motor is entirely new, not remanufactured like competitors
- Quality assured – vehicle-specific application has been validation tested to ensure quality
Most Sold 2021 Toyota 4Runner Universal Joints
Explore our best-selling Toyota parts for the 2021 4Runner among 1 OEM and aftermarket options starting from $62.99.
Spicer – Universal Joint, Greaseable Toyota Series ISR (Part No.5-1510X)
from
$62.99
When you see the Spicer name, you know you are buying the highest quality product available. Spicer universal joints are no exception. Dana manufactures a full line of Spicer universal joints that are engineered to ensure longer life for vehicles in a wide variety of applications, from light vehicle to commercial and off-highway.
Product Features:
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Product Features:
- OE engineering and field tested experience is why the Spicer brand is the most trusted in the industry.
- Forged with high-quality steel, these u-joints are heat treated and case-hardened with precision to specific levels, ensuring optimal strength and durability.
- The process of precision grinding the seal and bearing surfaces helps to improve the life of the seal and bearing.
- Zerk allows for lubricating at regular intervals to help extend the life of the part.
Top-Rated Drivetrains Brands For Your 2021 Toyota 4Runner
Shop for the best-rated brands offering Drivetrains and other products for your 2021 Toyota 4Runners. Below you’ll find some of our best rated Drivetrains from Valvoline, and more. Drivetrains from these brands that fit a 2021 4Runner start at just $13.99 and are rated as high as 4.8 stars. OEM and aftermarket Drivetrains don’t get more top quality, durable, and affordable than from the brands below.
Popular Valvoline 2021 Toyota 4Runner Drivetrains
When it comes to maintaining or upgrading your 2021 Toyota 4Runner, using quality Drivetrains is essential to ensure durability and a perfect fit. Valvoline ticks all of those boxes. We offer a wide selection of Valvoline Drivetrains, specifically designed for the 2021 Toyota 4Runner. With over 2 Valvoline brand Drivetrains in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $13.99, with an average price of just $24.99. Plus, with over 454 customer reviews and an average rating of 4.8 stars, you can trust that our Valvoline Drivetrains will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.
from
$13.99
(8)
Import Multi-Vehicle Synthetic Automatic Transmission Fluid, 1 Quart
“My 1999 Honda Accord 4-cylinder has over 250K miles and a drain and fill takes exactly 3 quarts of Import ATF. I do this with every oil change. No pro”
from
$35.99
(446)
MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon
“Good quality great price”
FAQs for 2021 Toyota 4Runner Drivetrains
Which Drivetrains are best-sellers for 2021 Toyota 4Runners?
Out of 23 Drivetrains that fit 2021 Toyota 4Runners, the following parts are the top sellers:
- Universal Joint, Greaseable Toyota Series ISR (10854999) – $62.99
- CV Axle Shaft Assembly (11827170) – $211.99
- Oil Seal (10659689) – $13.99
What’s the price range for 2021 Toyota 4Runner Drivetrains?
Drivetrain prices for the 2021 Toyota 4Runner start at $13.49 and go up to $1,189.99 for the most premium parts.
What’s the average price of a Drivetrain for a 2021 Toyota 4Runner?
The average price for Drivetrains for the 2021 Toyota 4Runner is $455.33. Keep in mind the variety of part types within our Drivetrain category so you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Drivetrains for other Toyota 4Runner model years?
What are the cheapest Drivetrains for my 2021 Toyota 4Runner?
The cheapest 2021 Toyota 4Runner Drivetrains we carry in stock are:
- Differential Pinion Shim Kit (20520205) – $13.49
- Import Multi-Vehicle Synthetic Automatic Transmission Fluid, 1 Quart (12079206) – $13.99
- Oil Seal (10659689) – $13.99
- Transmax ATF/CVT Universal Transmission Fluid, Smooth Performance, 1 Gallon (50083698) – $28.99
- Wheel Bearing Hub Nut (12150378) – $29.99
What types of Drivetrains do you sell for my 2021 Toyota 4Runner?
As of 3/1/26, these are some of the most in-demand types of Drivetrains for a 2021 Toyota 4Runner:
Can I get help with 2021 Toyota 4Runner Drivetrain orders?
Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Toyota Drivetrains and more.
What is your return policy for Toyota 4Runner Drivetrains?
Advance Auto Parts keeps returns simple. For new Toyota 4Runner Drivetrains and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.
