1998 Toyota 4Runner Differentials

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Keep Your 1998 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 1998 Toyota 4Runner looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Oil, Differential Covers, and Differential Pinion Seals. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Differentials from Trusted Brands

Looking for a reliable Differential? We’ve got you covered with options from brands you know and trust like Valvoline and National. For example, Valvoline Differentials start at just $12.99 with an average 4.8 star rating. National offer similar pricing and quality, backed by strong customer feedback. With over 1,384 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 1998 Toyota 4Runner Differential at Advance Auto Parts is around $245.11, with a range that starts at $5.99 and goes up to $1,566.99. With 130 options in stock from 10 trusted brands, finding the right fit is easy. Popular picks like 3 Qt – 80W90 Conventional Gear Oil With Posi Additive, 3 Qt – Penzoil 80W90 Conventional Gear Oil, and Redline Synthetic "Shock Proof" Oil With Positraction Additive – 4 Quarts start at just $44.99 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 1998 Toyota 4Runner in peak condition, inside and out.

Essential 1998 Toyota 4Runner Differentials

Yukon Gear – Outer Oil Slinger (Part No.33025)

Outer Oil Slinger

from

$10.99
Outer oil slinger for Toyota 7.5″, 8″, V6 & Landcruiser.

Product Features:
  • Outer oil slinger for Toyota 7.5″, 8″, V6 and Landcruiser
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Yukon Gear – Yoke For Toyota 8" IFS Clamshell Design, ’07 & Up FJ, 05 & Up Tacoma, T100 Tundra (Part No.41176)

Yoke For Toyota 8" IFS Clamshell Design, '07 & Up FJ, 05 & Up Tacoma, T100 Tundra

from

$245.99
Yukon yoke for Toyota 8″ IFS clamshell design, ’07 & up FJ, 05 & up Tacoma, T100 Tundra. All Yukon yokes come with a one year warranty against manufacturing defects.

Product Features:
  • Fits Toyota 8″ clamshell front
  • 29 spline
  • 66mm x 66mm bolt pattern
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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
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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.
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USA Standard Gear – Master Overhaul Kit for Toyota 7.5" IFS Differential for T100, Tacoma, and Tundra (Part No.37109)

Master Overhaul Kit for Toyota 7.5" IFS Differential for T100, Tacoma, and Tundra

from

$384.99
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 reverse rotation Toyota 7.5″ front
  • 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.
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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
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Yukon Gear – O-Ring For Toyota & Dana 44 Zip Locker Seal Housing (Part No.34004)

O-Ring For Toyota & Dana 44 Zip Locker Seal Housing

from

$11.29
Product Features:
  • O-ring for seal housing
  • Fits Dana Spicer 44 and Toyota 8″ and V6
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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
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Yukon Gear – The Carrier Bearing Puller (Part No.56034)

The Carrier Bearing Puller

from

$689.99
The Yukon carrier bearing Puller works with an impact gun to quickly and safely remove carrier bearings without damaging them. This unit comes with a handy bench top stand and works with up to most standard one ton applications. This unit is works with differentials up to one-ton applcations. It is not compatible with Dana 70HD, Dana 80, 10.25″ & 10.5″ Ford, or GM & Chrysler 11.5″ differentials.

Product Features:
  • Carrier bearing puller
  • Works with an impact gun to safely and easliy remove carrrier bearings
  • Not compatible with Dana 70HD, Dana 80, Ford 10.25″ and 10.5″ or Gm and Chrysler 11.5″ applications
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Yukon Gear – Steel Spool For Toyota V6 (Part No.32051)

Steel Spool For Toyota V6

from

$364.99
Yukon Performance 10 bolt steel spool for V6 Toyota with 30 spline axles. Yukon performance spools are made from the highest quality materials to ensure high strength and long life in performance applications. Spools provide 100% power to both tires at all times and are a lower cost alternative to lockers. Spools are not recommended for street driven vehicles. Yukon Performance spools come with a one year warranty against manufacturing defects.

Product Features:
  • Fits Toyota V6 rear
  • Provides 100% traction to both wheels at all times
  • Not recommended for street driven vehicles
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Yukon Gear – Standard Open Carrier Case, Toyota V6 (Part No.20110)

Standard Open Carrier Case, Toyota V6

from

$794.99
V6 standard Open case, bare.

Product Features:
  • Standard open carrier case
  • Does not include spider gears
  • Fits Toyota V6
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USA Standard Gear – 8" Toyota Spartan Locker Cross Pin (Part No.17031)

8" Toyota Spartan Locker Cross Pin

from

$49.99
8″ Toyota Spartan locker cross pin.

Product Features:
  • USA Standard Gear heavy-duty short cross pin shaft
  • Fits Toyota 8″ with 4 cylinder engine
  • Works with Spartan Locker or standard open spider gears
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Yukon Gear – Ring Gear Bolt For Toyota T100, Tacoma & 8" IFS Front (Part No.33059)

Ring Gear Bolt For Toyota T100, Tacoma & 8" IFS Front

from

$15.99
Ring Gear bolt for Toyota T100, Tacoma & 8″ IFS front. 12mm x 1.0.

Product Features:
  • Ring gear bolt for Toyota T100 and Tacoma rear without factory locking differential and Toyota Clamshell front
  • 12mm x 1.0
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Motive Gear – Differential Crush Sleeve (Part No.3122)

Differential Crush Sleeve

from

$9.79


Product Features:
  • CRUSH SLEEVE TOYOTA TURBO V6, 86-93 REAR
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USA Standard Gear – Ring & Pinion Gear Set For Toyota V6 In A 4.56 Ratio (Part No.36322)

Ring & Pinion Gear Set For Toyota V6 In A 4.56 Ratio

from

$374.99
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 – 3 Qt – Penzoil 80W90 Conventional Gear Oil (Part No.15002)

3 Qt - Penzoil 80W90 Conventional Gear Oil

from

$44.99
3 Qt. Penzoil 80W90 conventional gear Oil.

Product Features:
  • Includes three quarts of conventional oil
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Dorman – Differential Cover (OE Fix) (Part No.926-993)

Differential Cover (OE Fix)

from

$78.99
When the thin-gauge steel corrodes on 4Runner and Tacoma truck rear differential covers, the typical solution has been to replace the entire axle. This Dorman OE FIX weld-on solution allows direct replacement of only the failed cover.

Product Features:
  • Direct replacement – this weld-on differential cover directly replaces a corroded original cover on certain Toyota 4Runner and Tacoma trucks
  • Cost-effective repair – rather than buy a new axle, cut off the old cover and weld on this new one
  • Greater durability – constructed from heavier-gauge stamped steel than the original cover
  • Ready to install – pre-primed in weldable primer for a clean installation
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
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Yukon Gear – Bearing Race Driver Set, 21 Piece (Part No.56030)

Bearing Race Driver Set, 21 Piece

from

$1566.99
21 Piece bearing race driver set. (Box wt: 140lbs) No return.

Product Features:
  • Bearing race driver set
  • 21 pieces
  • All steel construction
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Yukon Gear – High Performance Ring & Pinion Gear Set For Toyota 8" In A 5.29 Ratio (Part No.24647)

High Performance Ring & Pinion Gear Set For Toyota 8" In A 5.29 Ratio

from

$404.99
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 1979-1985 Toyota Pickup and 4Runner and 1975-1990 Landcruiser
  • 5.27 ratio
  • 29 spline pinion
  • Includes conversion yoke, seal, and pinion nut
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Yukon Gear – 8" Standard Open Side Gear Thrust Washer (Part No.33395)

8" Standard Open Side Gear Thrust Washer

from

$11.99
8″ standard Open side gear Thrust washer.

Product Features:
  • Side gear thrust washer
  • Fits Toyota 8″ with 4 cylinder engine
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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.
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Yukon Gear – Carrier Shim Kit For Toyota 7.5" (Part No.55038)

Carrier Shim Kit For Toyota 7.5"

from

$101.99
7.5″ V6 & 4cyl side shim kit (incl. 7 shims).

Product Features:
  • Carrier shim kit
  • Fits Toyota 7.5″
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Yukon Gear – Toyota V6 Dropout Case, All New, Includes Adjusters (Part No.32095)

Toyota V6 Dropout Case, All New, Includes Adjusters

from

$534.99
Product Features:
  • Fits Toyota V6 rear
  • Fits ABS and non-ABS applications
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Yukon Gear – T8 Side Bearing Adjuster Lock (Without Bolt) (Part No.33363)

T8 Side Bearing Adjuster Lock (Without Bolt)

from

$11.99
Product Features:
  • Side adjuster lock
  • Fits Toyota 8″ with 4 cylinder engine
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National – Shaft Repair Sleeve (Part No.99114)

Shaft Repair Sleeve

from

$27.99
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:
  • Designed to repair damaged, grooved or worn shafts
  • Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
  • Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
  • Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
  • Easy to install with removable flange and installation tool
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Schaeffler – Shaft Seal (Part No.SS2416)

Shaft Seal

from

$15.49
Our wheel seals are engineered using only the highest-quality materials to meet vehicle manufacturer specificatons. We work with suppliers to design seals that meet FAG’s quality standards. Seals are designed to protect wheel end components from contamination – such as dirt, dust, and moisture – and prevent the loss of grease over the life of the bearing. The specifications for wheel seals are very demanding, and the type required depends on the specific application, position and vehicle class.

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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Schaeffler – Shaft Seal (Part No.SS2530)

Shaft Seal

from

$21.99
Our wheel seals are engineered using only the highest-quality materials to meet vehicle manufacturer specificatons. We work with suppliers to design seals that meet FAG’s quality standards. Seals are designed to protect wheel end components from contamination – such as dirt, dust, and moisture – and prevent the loss of grease over the life of the bearing. The specifications for wheel seals are very demanding, and the type required depends on the specific application, position and vehicle class.

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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Most Popular Differential Oil for 1998 Toyota 4Runners

Enhance your 1998 Toyota 4Runner with one of the 9 Differential Oil we have in stock, starting at just $12.99.

Valvoline – MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon (Part No.773775)

MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon

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:
  • 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
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Valvoline – High Performance Transmission & Differential Gear Oil: Conventional 80W-90, 1 Quart (Part No.VV831)

High Performance Transmission & Differential Gear Oil: Conventional 80W-90, 1 Quart

from

$12.99
Valvoline High Performance Gear Oil is an extreme pressure gear lubricant formulated with quality base oils and superior additives that helps protect against severe temperatures, shock loads, scuffing, scouring, corrosion and pitting in high speed, high load, high torque and high horsepower conditions.

Product Features:
  • Formulated for reliable gear protection
  • Protects against severe temperatures to help extend service life
  • Formulated with extreme-pressure additives to minimize gear wear from shock loads
  • Helps protect against gear wear from scuffing, scouring, corrosion and pitting
  • Recommended for conventional hypoid differentials and non-synchronized manual transmissions in passenger cars, light trucks, sport utility vehicles, vans and heavy-duty trucks where an API-GL5 or GL-4 fluid is specified
  • PLEASE NOTE: Valvoline recommends SynPower Full Synthetic Gear Oil for limited slip differentials
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Valvoline – Import Multi-Vehicle Synthetic Automatic Transmission Fluid, 1 Quart (Part No.822389)

Import Multi-Vehicle Synthetic Automatic Transmission Fluid, 1 Quart

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:
  • 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
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Yukon Gear – 3 Qt – 80W90 Conventional Gear Oil With Posi Additive (Part No.15003)

3 Qt - 80W90 Conventional Gear Oil With Posi Additive

from

$57.99
3 Qt. Penzoil 80W90 conventional gear Oil. W/ bottle of Posi additive.

Product Features:
  • Includes three quarts of conventional oil and one 4oz bottle of Yukon positraction additive
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Yukon Gear – 3 Qt – Penzoil 80W90 Conventional Gear Oil (Part No.15002)

3 Qt - Penzoil 80W90 Conventional Gear Oil

from

$44.99
3 Qt. Penzoil 80W90 conventional gear Oil.

Product Features:
  • Includes three quarts of conventional oil
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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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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
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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

Castrol – Transmax ATF/CVT Universal Transmission Fluid, Smooth Performance, 1 Gallon (Part No.15E0C8)

Transmax ATF/CVT Universal Transmission Fluid, Smooth Performance, 1 Gallon

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:
  • 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
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Best-Selling 1998 Toyota 4Runner Differential Cover

Upgrade your 4Runner with our best-selling Differential Cover.

Dorman – Differential Cover (OE Fix) (Part No.926-993)

Differential Cover (OE Fix)

from

$78.99
When the thin-gauge steel corrodes on 4Runner and Tacoma truck rear differential covers, the typical solution has been to replace the entire axle. This Dorman OE FIX weld-on solution allows direct replacement of only the failed cover.

Product Features:
  • Direct replacement – this weld-on differential cover directly replaces a corroded original cover on certain Toyota 4Runner and Tacoma trucks
  • Cost-effective repair – rather than buy a new axle, cut off the old cover and weld on this new one
  • Greater durability – constructed from heavier-gauge stamped steel than the original cover
  • Ready to install – pre-primed in weldable primer for a clean installation
See More

Top-Quality Differential Pinion Seals for 1998 Toyota 4Runners

Choose a high-quality OEM or aftermarket Differential Pinion Seal for Toyota 4Runners and enjoy top-notch performance from $12.99.

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

National – Multi Purpose Seal (Part No.710823)

Multi Purpose Seal

from

$12.99
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:
  • 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
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Top Picks for 1998 Toyota 4Runner Differential Axle Shafts

Invest in one of our 3 durable Differential Axle Shafts for your 1998 Toyota, knowing you’re getting trusted brands and expert craftsmanship.

Yukon Gear – Rear Axle For ’95-’00 Tacoma & ’96-’00 4Runner, Non-ABS (Part No.21739)

Rear Axle For '95-'00 Tacoma & '96-'00 4Runner, Non-ABS

from

$469.99
Product Features:
  • 30 spline
  • 6 lug
  • 29.25″ long
  • Fits 1995-2000 Tacoma and 1996-2000 4Runner
  • Non ABS applications only
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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
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Yukon Gear – T8 30Spline Axle (24.64" – 29.08" Cut2Lth) 4340 – 106Mm Brake Pilot (Part No.21724)

T8 30Spline Axle (24.64" - 29.08" Cut2Lth) 4340 - 106Mm Brake Pilot

from

$274.99
T8 30spline axle ’86-00 (24.64″ – 29.08″ CUT2LTH) 4340.

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
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Our Differential Bearings for 1998 Toyota 4Runners

Make a smart move for your 1998 Toyota 4Runner with our Differential Bearing for $69.99.

National – Multi-Purpose Bearing (Part No.KC-11445-Y)

Multi-Purpose Bearing

from

$69.99
Product Features:
  • CONSISTENT PERFORMANCE: Matched cup and cone components ensure consistent performance
  • 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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Top-Rated Differential Brands For Your 1998 Toyota 4Runner

When it comes to finding the perfect Differential for your 1998 Toyota 4Runner, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 10 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 $12.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1998 Toyota 4Runner, providing peace of mind with parts that meet or exceed OEM standards.

Popular Valvoline 1998 Toyota 4Runner Differentials

If you’re looking for a top-quality Differential for your 1998 Toyota 4Runner, Advance Auto Parts has exactly what you need with our selection of Valvoline Differentials. We have 3 Valvoline Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $12.99 and an average cost of $20.99, you’ll find the perfect Differential for your needs and budget. Valvoline Differentials for the 1998 Toyota 4Runner come highly rated, with over 689 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.
High Performance Transmission & Differential Gear Oil: Conventional 80W-90, 1 Quart
from $12.99
(235)
High Performance Transmission & Differential Gear Oil: Conventional 80W-90, 1 Quart
“Good quality oil. Does it’s job.”
MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon
from $35.99
(446)
MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon
“Good quality great price”
Import Multi-Vehicle Synthetic Automatic Transmission Fluid, 1 Quart
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”

Top-Quality National 1998 Toyota 4Runner Differentials

For those in search of a high-quality Differential for their 1998 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 1998 Toyota 4Runner Differentials

What are the best-selling Differentials for 1998 Toyota 4Runners?

Out of 130 Differentials that fit 1998 Toyota 4Runners, the following parts are the top sellers:

What’s the price range for 1998 Toyota 4Runner Differentials?

The prices of Differentials for the 1998 Toyota 4Runner range from $5.99 up to $1,566.99 for the most premium parts.

What is the average price of a Differential for a 1998 Toyota 4Runner?

The average price for Differentials for the 1998 Toyota 4Runner is $245.11. 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 41 model years of Toyota 4Runners between 1984 and 2026. The following model years are the most popular for Differential purchases: 2022, 2021, 2020, 2019, 2018, 2017, 2016, 2015, and 2014.

What are the cheapest Differentials for my 1998 Toyota 4Runner?

The cheapest 1998 Toyota 4Runner Differentials we carry are:

Does Advance Auto Parts sell Differentials for any other 1998 Toyota models?

Yes. We stock Differentials for 11 other popular 1998 Toyota models. Some of the most popular are 1998 Corolla Differentials, 1998 Camry Differentials, 1998 Land Cruiser Differentials, 1998 Celica Differentials, and 1998 Avalon Differentials.

What types of Differentials do you sell for my 1998 Toyota 4Runner?

As of 3/1/26, these are some of the most in-demand types of Differentials for a 1998 Toyota 4Runner:

Can I get help with 1998 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.