2018 Toyota 4Runner Differentials

Keep Your 2018 Toyota 4Runner in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 2018 Toyota 4Runner looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Axle Shafts, Differential Oil, and Differential Bearing Kits. 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 National and Valvoline. For example, National Differentials start at just $89.99 with an average 4.3 star rating. Valvoline offer similar pricing and quality, backed by strong customer feedback. With over 16 reviews and a solid 5 star average, you can shop with confidence knowing other Toyota 4Runner owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2018 Toyota 4Runner Differential at Advance Auto Parts is around $337.36, with a range that starts at $11.99 and goes up to $869.99. With 23 options in stock from 8 trusted brands, finding the right fit is easy. Popular picks like DEXRON – VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart, DEX/MERC ATF Conventional Automatic Transmission Fluid, 1 Quart, and Flex Fill Transmission & Differential Gear Oil: Full Synthetic 75W-90, 1 Quart 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 2018 Toyota 4Runner in peak condition, inside and out.

Essential 2018 Toyota 4Runner Differentials

AISIN – Differential Lock Shift Actuator Assembly (Part No.SAT-009)

Differential Lock Shift Actuator Assembly

from

$726.99
OE Manufactured Direct Replacement Shift and Lock Actuators Control the Vehicle 2WD to 4WD, 4WD High to Low, and/or Differential Lock Function.

Product Features:
  • Actuators control the vehicle 2WD to 4WD, 4WD High to Low, and/or differential lock function.
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AISIN – Differential Lock Shift Actuator Assembly (Part No.SAT-020)

Differential Lock Shift Actuator Assembly

from

$622.99
OE Manufactured Direct Replacement Shift and Lock Actuators Control the Vehicle 2WD to 4WD, 4WD High to Low, and/or Differential Lock Function.

Product Features:
  • Actuators control the vehicle 2WD to 4WD, 4WD High to Low, and/or differential lock function.
See More

USA Standard Gear – Ring & Pinion Gear Set For Toyota V6 In A 5.29 Ratio (Part No.36321)

Ring & Pinion Gear Set For Toyota V6 In A 5.29 Ratio

from

$364.99
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 – Ring and Pinion Kit (Part No.24681)

Ring and Pinion Kit

from

$544.99
Ring and Pinion Kit

Yukon Gear – Master Overhaul Kit For New Toyota Clamshell Design Front Reverse Rotation Differential (Part No.14130)

Master Overhaul Kit For New Toyota Clamshell Design Front Reverse Rotation Differential

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:
  • 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.
See More

Yukon Gear – Master Overhaul Kit For Toyota Tacoma And 4-Runner With Factory Electric Locker (Part No.14119)

Master Overhaul Kit For Toyota Tacoma And 4-Runner With Factory Electric Locker

from

$614.99
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), thread locking compound, marking compound with brush, and gasket. 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:
  • Fits Toyota Tacoma and T100 rear with factory locking differential
  • Included are Timken bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve , oil baffles and slingers , thread locker, marking compound with brush, and silicone.
See More

Yukon Gear – Toyota Clamshell Design Crush Sleeve (Part No.33121)

Toyota Clamshell Design Crush Sleeve

from

$10.99
Toyota clamshell design crush sleeve. Approx 1.475″ long.

Product Features:
  • Crush sleeve
  • Fits Toyota 8″ clamshell front
  • 1.475″ tall
See More

Yukon Gear – Differential Crush S (Part No.33573)

Differential Crush S

from

$61.99
Differential Crush S

Yukon Gear – Pinion Depth Shim Kit For Toyota8", GM 7.5", 8.2" & 12 Bolt Truck (Part No.55064)

Pinion Depth Shim Kit For Toyota8", GM 7.5", 8.2" & 12 Bolt Truck

from

$39.99
8″ Toyota, 7.5″ GM, 8.2″ GM, 12T, pinion shim set, & Mazda truck.

Product Features:
  • Pinion depth shim kit for Toyota 7.5″, 8″ and V6
See More

Yukon Gear – Replacement Pinion Depth Shims For Dana 60, 61 & D70-U (Part No.55012)

Replacement Pinion Depth Shims For Dana 60, 61 & D70-U

from

$17.99
Product Features:
  • Pinion depth shims for Dana Spicer 60 and 70U
See More

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
See More

Mobil 1 – 75W-90 Full Synthetic Gear Lubricant, Extends Gear Life, 1 Quart (Part No.26101)

75W-90 Full Synthetic Gear Lubricant, Extends Gear Life, 1 Quart

from

$19.99
Mobil 1 Synthetic Gear Lubricant LS 75W-90 is a supreme, multi-purpose automotive gear lubricant that helps to provide exceptional thermal stability and resistance to high temperature oxidation, extending gear life due to minimal deposits. Helps to deliver outstanding protection against low speed/high torque wear with the capability to handle severe driving conditions while delivering smooth efficient performance. Mobil 1 Synthetic Gear Lubricant LS provides exceptional shear stability, corrosion protection, and enhanced frictional properties. Compared to conventional hypoid gear lubricants, Mobil 1 LS 75W-90 performs exceptionally over a wide range of temperatures to reduce wear at start up. Mobil 1 gear lube helps to minimize leakage and reduce contamination while providing good resistance to foaming to maintain film strength for reliable lubrication. Meets or exceeds the requirements of the following industry specifications: API GL-5.

Product Features:
  • Mobil 1 LS synthetic automotive gear lubricant exceeds the highest level of performance requirements of modern passenger vehicles
  • Helps to provide exceptional thermal stability and resistance to high temperature oxidation and extend gear life due to minimal deposits
  • Delivers outstanding protection against low speed/high torque wear, handling severe driving conditions with smooth, efficient performance
  • Compared to conventional hypoid gear lubricants, performs exceptionally over a wide range of temperatures to reduce wear at start up
  • Provides exceptional shear stability, corrosion protection, and enhanced frictional properties
  • Manufacturer Part Number: 104361
See More

Idemitsu – Type TLS-LV Automatic Transmission Fluid, 1 Quart (Part No.30040096-75000C)

Type TLS-LV Automatic Transmission Fluid, 1 Quart

from

$14.49
Formulated to meet the specific requirements of Toyota, Lexus, and Scion vehicles equipped with conventional (non-CVT) transmissions that require the use of Toyota ATF WS. Recommended for service-fill in all Toyota, Lexus, and Scion automatic transmissions where ATF WS 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:
  • Precisely engineered frictional characteristics guarantee smooth shifting and outstanding anti-shudder performance
  • Optimized viscosity and advanced friction reducing additive technology provide exceptional fuel economy performance
  • Excellent resistance to oxidation and thermal breakdown provide long fluid life and extended protection
  • Exceptional wear protection of gears and bearings
  • Provides superior deposit control and protects metal surfaces from rust and corrosion
  • Excellent seal compatibility and conditioning reduces risk of fluid leaks due to seal shrinkage, hardening and cracking
See More

Yukon Gear – Axle Shaft For 95-00 Tacoma & 96-00 4Runner, 29-1/4", 30 Spline (Part No.21660)

Axle Shaft For 95-00 Tacoma & 96-00 4Runner, 29-1/4", 30 Spline

from

$289.99
95-00 Tacoma & 96-00 4RUNNER 29-1/4″ 30spline axle shaft.

Product Features:
  • 30 spline
  • 6 lug
  • 29.25″ long
  • Fits 1995-2004 Tacoma and 1996-2002 4Runner
  • ABS applications only
See More

Dorman – Pre-Pressed Axle (OE Fix) (Part No.926-137)

Pre-Pressed Axle (OE Fix)

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:
  • 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
See More

Dorman – axle shaft kit for Toyota pickup (Part No.630-335)

axle shaft kit for Toyota pickup

from

$395.99
Axle shaft damaged or bearings worn out? This axle shaft directly replaces the original equipment on certain vehicles, complete with all necessary application-specific installation components.

Product Features:
  • 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
See More

Yukon Gear – Minor Install Kit For Toyota 7.5" IFS Differential, 4 Cylinder (Part No.12070)

Minor Install Kit For Toyota 7.5" IFS Differential, 4 Cylinder

from

$63.99
Yukon Minimum installation kits are a low cost solution for gear changes in newer vehicles where the bearings can be reused. This kit uses all high quality components to ensure a smooth set up. kit includes a pinion seal, crush sleeve (if applicable), pinion shim kit, marking compound and brush. No side shims.

Product Features:
  • Fits Toyota 7.5″ front with 4 cylinder engine
  • Included are a pinion seal, crush sleeve, complete shim kit, marking compound and brush.
See More

USA Standard Gear – Master Overhaul Kit for the ’86 and Newer Toyota 8" Differential (Part No.37070)

Master Overhaul Kit for the '86 and Newer Toyota 8" Differential

from

$261.99
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:
  • Fits Toyota 8″ and 4 cylinder engine, 1986 and up with OEM ring and pinion set
  • 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, thread locker, marking compound with brush and gasket.
See More

USA Standard Gear – Master Overhaul Kit For The Toyota V6, ’03 & Up (Part No.37075)

Master Overhaul Kit For The Toyota V6, '03 & Up

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.

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.
See More

National – Multi-Purpose Bearing (Part No.30306)

Multi-Purpose Bearing

from

$51.99
Product Features:
  • CONSISTENT PERFORMANCE: Matched cup and cone components ensure consistent performance
  • PREMIUM MATERIALS: Precision manufactured using high-quality materials for durability and performance
  • 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

National – Multi-Purpose Bearing (Part No.30025)

Multi-Purpose Bearing

from

$89.99
Product Features:
  • CONSISTENT PERFORMANCE: Matched cup and cone components ensure consistent performance
  • PREMIUM MATERIALS: Precision manufactured using high-quality materials for durability and performance
  • 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

National – Multi-Purpose Bearing (Part No.32307-W)

Multi-Purpose Bearing

from

$97.99
Product Features:
  • CONSISTENT PERFORMANCE: Matched cup and cone components ensure consistent performance
  • PREMIUM MATERIALS: Precision manufactured using high-quality materials for durability and performance
  • 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

Yukon Gear – Differential Pinion (Part No.13111)

Differential Pinion

from

$289.99
Differential Pinion

Yukon Gear – Pinion Install Kit For Toyota 7.5" IFS Differential (V6 Only) (Part No.13087)

Pinion Install Kit For Toyota 7.5" IFS Differential (V6 Only)

from

$338.99
Yukon Pinion installation kits are a terrific solution for gear installation on lower mileage vehicles where the carrier bearings & races can be reused. This kit uses high quality bearings and races along with a high quality pinion seal and small parts. Included in this kit are the pinion bearings and races, pilot bearing (if applicable), crush sleeve (if applicable), complete pinion shim kit, pinion nut, thread locker, and marking compound with 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.

Product Features:
  • Fits standard rotation Toyota 7.5″ with 6 cylinder engine
  • Included are pinion bearings and races, pinion seal, crush sleeve, complete pinion shim kit, and marking compound with brush.
See More

Yukon Gear – Pinion Install Kit For Toyota Clamshell Design Front Reverse Rotation Differential (Part No.13102)

Pinion Install Kit For Toyota Clamshell Design Front Reverse Rotation Differential

from

$353.99
Yukon Pinion installation kits are a terrific solution for gear installation on lower mileage vehicles where the carrier bearings & races can be reused. This kit uses high quality bearings and races along with a high quality pinion seal and small parts. Included in this kit are the pinion bearings and races, pilot bearing (if applicable), crush sleeve (if applicable), complete pinion shim kit, pinion nut, thread locker, and marking compound with 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.

Product Features:
  • Fits Toyota 8″ clamshell front
  • Reverse rotation only
  • Included are pinion bearings and races, pinion seal, crush sleeve, complete pinion shim kit, and marking compound with brush.
See More

National – Multi Purpose Seal (Part No.710823)

Multi Purpose Seal

from

$13.79
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Low swell in hydrocarbon fluids
  • Design type: spring loaded; multi-lip
  • Provides good low temperature capability
  • Temperature range: -40°F to 225°F; -40°C to 107°C
  • Delivers quality and reliable performance for every type of repair
See More

Yukon Gear – Pinion Seal For Toyota 7.5", 8", V6 & T100 (Part No.30005)

Pinion Seal For Toyota 7.5", 8", V6 & T100

from

$19.99
Pinion seal for 7.5″, 8″, V6, and T100 and Tacoma with lockers.Yukon Mighty seal.

Product Features:
  • Pinion seal
  • Fits Toyota 7.5″, 8″ with 4 cylinder engine, V6, Landcruiser and Tacoma/T100 with factory locking differential
See More

Yukon Gear – Differential Pinion (Part No.30359)

Differential Pinion

from

$55.99
Differential Pinion

Most Popular Differential Axle Shafts for 2018 Toyota 4Runners

Enhance your 2018 Toyota 4Runner with one of the 2 Differential Axle Shafts we have in stock, starting at just $868.99.

Dorman – Pre-Pressed Axle (OE Fix) (Part No.926-137)

Pre-Pressed Axle (OE Fix)

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:
  • 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
See More

Dorman – Pre-Pressed Axle (OE Fix) (Part No.926-138)

Pre-Pressed Axle (OE Fix)

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:
  • 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
See More

Best-Selling 2018 Toyota 4Runner Differential Oil

Upgrade your 4Runner with one of our 7 best-selling Differential Oil, earning an average 5 stars rating across 2 reviews.

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

Valvoline – DEX/MERC ATF Conventional Automatic Transmission Fluid, 1 Quart (Part No.798153)

DEX/MERC ATF Conventional Automatic Transmission Fluid, 1 Quart

from

$11.99
Valvoline DEX/MERC ATF is a high-quality transmission fluid formulated to meet the challenging demands of many automatic transmissions. Its responsive low-temperature fluidity is beneficial in both electronic and hydraulic controlled transmissions and transaxles. Recommended for use in the following applications: MERCON*, DEXRON*-III, Ford M2C138-CJ and M2C166-H, Allison C-4 and TES-389, and Caterpillar TO-2.

Product Features:
  • Formulated with premium base stocks and advanced additive technology to meet the challenging demands of automatic transmissions
  • Enhanced anti-shudder protection for smooth shifting and maximum power transfer
  • Developed with anti-wear technology to help improve transmission durability
  • Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures
See More

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
See More

Idemitsu – Type TLS-LV Automatic Transmission Fluid, 1 Quart (Part No.30040096-75000C)

Type TLS-LV Automatic Transmission Fluid, 1 Quart

from

$14.49
Formulated to meet the specific requirements of Toyota, Lexus, and Scion vehicles equipped with conventional (non-CVT) transmissions that require the use of Toyota ATF WS. Recommended for service-fill in all Toyota, Lexus, and Scion automatic transmissions where ATF WS 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:
  • Precisely engineered frictional characteristics guarantee smooth shifting and outstanding anti-shudder performance
  • Optimized viscosity and advanced friction reducing additive technology provide exceptional fuel economy performance
  • Excellent resistance to oxidation and thermal breakdown provide long fluid life and extended protection
  • Exceptional wear protection of gears and bearings
  • Provides superior deposit control and protects metal surfaces from rust and corrosion
  • Excellent seal compatibility and conditioning reduces risk of fluid leaks due to seal shrinkage, hardening and cracking
See More

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
See More

Yukon Gear – Redline Synthetic "Shock Proof" Oil – 3 Quarts (Part No.15000)

Redline Synthetic "Shock Proof" Oil - 3 Quarts

from

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

Product Features:
  • Includes three quarts of Redline Shockproof oil
See More

Yukon Gear – Redline Synthetic "Shock Proof" Oil – 4 Quarts (Part No.15004)

Redline Synthetic "Shock Proof" Oil - 4 Quarts

from

$137.99
Redline Synthetic “Shock Proof” Oil. 4 Quarts.

Product Features:
  • Includes four quarts of Redline Shockproof oil
See More

Top-Quality Differential Bearing Kits for 2018 Toyota 4Runners

Choose a high-quality OEM or aftermarket Differential Bearing Kit for Toyota 4Runners and enjoy top-notch performance from $564.99.

Yukon Gear – Master Overhaul Kit For New Toyota Clamshell Design Front Reverse Rotation Differential (Part No.14130)

Master Overhaul Kit For New Toyota Clamshell Design Front Reverse Rotation Differential

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:
  • 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.
See More

Yukon Gear – Bearing Install Kit For New Toyota Clamshell Design Front Reverse Rotation Differential (Part No.11108)

Bearing Install Kit For New Toyota Clamshell Design Front Reverse Rotation Differential

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:
  • 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.
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Yukon Gear – DiffrlPartsKit (Part No.14225)

DiffrlPartsKit

from

$564.99
DiffrlPartsKit

Our Top Pick for a 2018 Toyota 4Runner Differential Crush Sleef

Invest in a durable Differential Crush Sleef for your 2018 Toyota, knowing you’re getting trusted brands and expert craftsmanship.

Yukon Gear – Crush Sleeve Eliminator Kit For Toyota V6 (Part No.55053)

Crush Sleeve Eliminator Kit For Toyota V6

from

$59.99
V6 Toyota solid crush sleeve replacement spacer kit, preload.

Product Features:
  • Crush sleeve eliminator kit for Toyota V6
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Our Differential Pinion Seals for 2018 Toyota 4Runners

Make a smart move for your 2018 Toyota 4Runner with our Differential Pinion Seal for $18.99.

National – Multi-Purpose Seal (Part No.710697)

Multi-Purpose Seal

from

$18.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Design type: spring loaded; multi-lip
  • Temperature range: -20 Deg. F to 300 Deg. F / -29 Deg. C to 49 Deg. C
  • Resistance to EP lubricants
  • Low swell in hydrocarbon fluids
  • Delivers quality and reliable performance for every type of repair
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Top-Rated Differential Brands For Your 2018 Toyota 4Runner

When it comes to finding the perfect Differential for your 2018 Toyota 4Runner, 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 Valvoline and National, and more, all known for their exceptional customer ratings (average brand rating of 4.8 stars) and competitive prices, as low as $14.49. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 2018 Toyota 4Runner, providing peace of mind with parts that meet or exceed OEM standards.

Popular Valvoline 2018 Toyota 4Runner Differentials

If you’re looking for a top-quality Differential for your 2018 Toyota 4Runner, Advance Auto Parts has exactly what you need with our selection of Valvoline Differentials. We have 1 Valvoline Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $14.49, you’ll find the perfect Differential for your needs and budget. Valvoline Differentials for the 2018 Toyota 4Runner come highly rated, with over 2 customer reviews and an impressive average rating of 4.8 stars. Choosing a Valvoline Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
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”

Top-Quality National 2018 Toyota 4Runner Differentials

For those in search of a high-quality Differential for their 2018 Toyota 4Runner, Advance Auto Parts offers a great selection of National Differentials. With 1 National 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 $89.99, giving you a range of options to suit your budget. Backed by over 2 customer ratings and an average rating of 4.3 stars, National Differentials provide both reliability and excellent performance. Choosing a National Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Multi-Purpose Bearing
from $89.99
(2)
Multi-Purpose Bearing
“Exactly what came out”

FAQs for 2018 Toyota 4Runner Differentials

What are the best-selling Differentials for 2018 Toyota 4Runners?

Out of 23 Differentials that fit 2018 Toyota 4Runners, the following parts are the top sellers:

What’s the price range for 2018 Toyota 4Runner Differentials?

The prices of Differentials for the 2018 Toyota 4Runner range from $11.99 up to $869.99 for the most premium parts.

What is the average price of a Differential for a 2018 Toyota 4Runner?

The average price for Differentials for the 2018 Toyota 4Runner is $337.36. 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 Toyota 4Runner model years?

Yes, we carry Differentials for 39 model years of Toyota 4Runners between 1984 and 2024. The following model years are the most popular for Differential purchases: 2022, 2021, 2020, 2019, 2017, 2016, 2015, 2014, and 2013.

What are the cheapest Differentials for my 2018 Toyota 4Runner?

Does Advance Auto Parts sell Differentials for any other 2018 Toyota models?

Yes. We stock Differentials for 14 other popular 2018 Toyota models. Some of the most popular are 2018 Camry Differentials, 2018 Land Cruiser Differentials, 2018 Avalon Differentials, 2018 RAV4 Differentials, and 2018 Sienna Differentials.

What are the top-rated Differentials that fit the 2018 Toyota 4Runner?

The one 2018 Toyota 4Runner Differential we have in stock is the DEX/MERC ATF Conventional Automatic Transmission Fluid, 1 Quart. It costs $11.99.

What types of Differentials do you sell for my 2018 Toyota 4Runner?

As of 11/2/25, these are some of the most in-demand types of Differentials for a 2018 Toyota 4Runner:

Can I get help with 2018 Toyota 4Runner Differential orders?

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

What is your return policy for Toyota 4Runner Differentials?

Advance Auto Parts keeps returns simple. For new Toyota 4Runner Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.