1991 Toyota 4Runner Differentials

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Keep Your 1991 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 1991 Toyota 4Runner looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Pinion Seals, Differential Ring Gear Bolts, and Differential Bearings. 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 $10.99 with an average 4.3 star rating. Valvoline offer similar pricing and quality, backed by strong customer feedback. With over 917 reviews and a solid 5 star average, you can shop with confidence knowing other Toyota 4Runner owners approve.

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 1991 Toyota 4Runner in peak condition, inside and out.

Essential 1991 Toyota 4Runner Differentials

Yukon Gear – Differential Pinion (Part No.30359)

Differential Pinion

from

$55.99
Differential Pinion

Yukon Gear – Toyota 7.5", 8", & V6 Ring Gear Bolt Retainer Plate (Part No.33061)

Toyota 7.5", 8", & V6 Ring Gear Bolt Retainer Plate

from

$6.99
Toyota 7.5″, 8″, & V6 ring gear bolt retainer plate (5 needed).

Product Features:
  • Ring gear bolt retainer plate for Toyota 7.5″ 8″ and 8″ V6
  • 5 needed
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Yukon Gear – Standard Open Spider Gear Kit For Toyota 8" 4 Cylinder With 30 Spline Axles (Part No.16062)

Standard Open Spider Gear Kit For Toyota 8" 4 Cylinder With 30 Spline Axles

from

$258.99
Yukon standard open spider gear kit for Toyota 8″ 4-cylinder with 30 spline axles. Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set. All components come with a one year warranty against manufacturing defects.

Product Features:
  • Spider gear kit
  • Fits Toytoa 8″ 4 cylinder open differential
  • Includes two side gears, two pinion gears, cross pin shaft, roll pin spider gear thrust washers.
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Yukon Gear – 8" Roll Pin, Solid (Part No.33412)

8" Roll Pin, Solid

from

$9.99
Product Features:
  • Roll pin
  • Fits Toyota 8″ with 4 cylinder engine
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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
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Yukon Gear – Master Overhaul Kit For Toyota V6, ’03 & Up (Part No.14210)

Master Overhaul Kit For Toyota V6, '03 & Up

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$459.99
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 a solid spacer to replace the crush sleeve. 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. This kit fits applications with a 29 spline pinion.

Product Features:
  • Fits Toyota V6 rear
  • Included are KOYO 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 eliminator, thread locker, marking compound with brush, and gasket.
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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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Yukon Gear – 8" IFS Clamshell Carrier, 3.91 And Up, 07 & Up FJ, 05 & Up Tac/T100/Tndra (Part No.20135)

8" IFS Clamshell Carrier, 3.91 And Up, 07 & Up FJ, 05 & Up Tac/T100/Tndra

from

$889.99
8″ IFS clamshell carrier, 3.91 and up, 07 & up FJ, 05 & up TAC/T100/TNDRA.

Product Features:
  • Standard open carrier case
  • Does not include spider gears
  • Fits Toyota 8″ clamshell front
  • 3.91 and up ratios only
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Yukon Gear – Toyota Clamshell Design Crush Sleeve (Part No.33121)

Toyota Clamshell Design Crush Sleeve

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

Product Features:
  • Crush sleeve
  • Fits Toyota 8″ clamshell front
  • 1.475″ tall
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Yukon Gear – Carrier Shim Kit For Toyota 7.5" (Part No.55038)

Carrier Shim Kit For Toyota 7.5"

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$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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USA Standard Gear – Spartan Locker For Toyota V6 With 30 Spline Axles (Part No.17034)

Spartan Locker For Toyota V6 With 30 Spline Axles

from

$549.99
The Spartan Locker, by USA Standard Gear, provides reliable traction at a low cost. Give your vehicle great traction and save some cash. Choose a Spartan Locker for better traction. The Spartan locker by USA standard gear is a mechanical locker that replaces the spiders in a standard case. The Spartan locker’s design does not use the thrust washers and has a revolutionary spring and pin design that makes installation a snap! The couplers and drivers are made from 9310 steel, for added strength. Each Spartan locker carries a one year warranty against defect.

Product Features:
  • Fits Toyota 8″ and V6
  • Made from 9310 steel for added strength
  • Works with stock side gears in standard carrier case
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Yukon Gear – Toyota 8" & V6 Gasket (Part No.23028)

Toyota 8" & V6 Gasket

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$11.99
Toyota 8″ & V6 gasket.

Product Features:
  • Dropout gasket
  • Fits Toyota 8″ and V6
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Yukon Gear – Solid Preload Kit For Toyota Landcruiser (Part No.55065)

Solid Preload Kit For Toyota Landcruiser

from

$30.99
Preload shim kit for Toyota Landcruiser. Also compatible with Toyota 8″ 4 cylinder & V6 with a solid spacer.

Product Features:
  • Preload shim kit
  • Fits 9.5″ Toyota Landcruiser
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Yukon Gear – Axle For ’79-’85 Toyota Pickup & 4Runner (Part No.21658)

Axle For '79-'85 Toyota Pickup & 4Runner

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$294.99
Yukon axle for ’79-’85 Toyota Pickup & 4Runner. 26 3/4″ long, 91mm brake pilot.

Product Features:
  • 29 spline
  • 26.75″ long
  • 91 MM brake pilot
  • Fits 1979-1985 Toyota Pickup and 4Runner
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Yukon Gear – Pinion Install Kit For Toyota 7.5" IFS Differential (Four Cylinder Only) (Part No.13086)

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

from

$295.99
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 4 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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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 – 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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Powertrax – Lock Right Locker (Part No.1620-LR)

Lock Right Locker

from

$323.99
The Powertrax Lock-Right ultra-strength alloy locker’s straight-line performance is equal to a solid spool, but automatically unlocks in turns. Best suited for extreme off-road to severe on-road use, Powertrax Lock Right lockers replace the spider gears in your open differential carrier using basic tools and without affecting your ring and pinion settings. The whole job can be done in your driveway in a couple of hours, pin included! Powertrax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Powertrax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds!The Powertrax® Lock-Right Locker provides outstanding traction for off-road machines and race vehicles. Powertrax No-Slip Traction Systems deliver excellent performance to street-driven cars and trucks.
  • Powertrax® lockers range from the original, Lock-Right for serious straight-line performance, to the No-Slip traction system for street-able vehicles.
  • Powertrax® offers three levels of GRIP locking differentials, ranging from the clutch-type GRIP LS with a forged steel case, the gear-driven GRIP PRO and finally the GRIP LOK for extreme traction.
  • Powertrax® = Extreme Traction Systems!
  • See More

    Yukon Gear – V6 Side Bearing Adjuster Lock (Without Bolt) (Part No.33364)

    V6 Side Bearing Adjuster Lock (Without Bolt)

    from

    $8.99
    Product Features:
    • Side adjuster lock
    • Fits Toyota V6
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    Yukon Gear – Limited Slip Dffrntl (Part No.26057)

    Limited Slip Dffrntl

    from

    $769.99
    Limited Slip Dffrntl

    Yukon Gear – High Performance Ring & Pinion Gear Set For Toyota V6 In A 4.11 Ratio (Part No.24619)

    High Performance Ring & Pinion Gear Set For Toyota V6 In A 4.11 Ratio

    from

    $403.99
    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.

    Product Features:
    • Fits Toyota V6 rear
    • 4.11 ratio
    • 29 spline pinion
    See More

    Yukon Gear – High Performance Ring & Pinion Gear Set For Toyota In A Ratio (Part No.24652)

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

    from

    $424.99
    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 Toyota V6 rear
    • 5.29 ratio
    • 29 spline pinion
    • Includes conversion yoke, seal, and pinion nut
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    Yukon Gear – 8" Reverse High-Pinion Toyota Drop Out (Part No.32298)

    8" Reverse High-Pinion Toyota Drop Out

    from

    $529.99
    8″ Reverse high-pinion Toyota Drop Out (fits 8″ Housing) .

    Product Features:
    • Fits Toyota Landcruiser reverse rotation front
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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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    Yukon Gear – Toyota 7.5 Pinion Nut (Part No.33155)

    Toyota 7.5 Pinion Nut

    from

    $9.99
    Toyota 7.5 pinion nut (M18x1.5).

    Product Features:
    • Pinion nut for Toyota 7.5″
    • 18mm x 1.5 thread
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    Yukon Gear – Bearing Race Driver (Part No.56004)

    Bearing Race Driver

    from

    $99.99
    Bearing race driver for Toyota front V6, Landcruiser reverse rotation, and Tacoma with locker (TOY30025). No return.

    Product Features:
    • Bearing race driver
    • Fits 30025 race
    • All steel construction
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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
    See More

    Yukon Gear – DiffrlCarrBng (Part No.18110)

    DiffrlCarrBng

    from

    $226.99
    DiffrlCarrBng

    Most Popular Differential Pinion Seal for 1991 Toyota 4Runners

    Enhance your 1991 Toyota 4Runner with this popular Differential Pinion Seal we have in stock, for $19.99.

    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

    Best-Selling 1991 Toyota 4Runner Differential Ring Gear Bolts

    Upgrade your 4Runner with one of our 2 best-selling Differential Ring Gear Bolts.

    Yukon Gear – Toyota 7.5", 8", & V6 Ring Gear Bolt Retainer Plate (Part No.33061)

    Toyota 7.5", 8", & V6 Ring Gear Bolt Retainer Plate

    from

    $6.99
    Toyota 7.5″, 8″, & V6 ring gear bolt retainer plate (5 needed).

    Product Features:
    • Ring gear bolt retainer plate for Toyota 7.5″ 8″ and 8″ V6
    • 5 needed
    See More

    Yukon Gear – Ring Gear Bolt (Part No.33060)

    Ring Gear Bolt

    from

    $6.99
    Ring Gear bolt for Toyota 7.5″, 8″, V6, Landcruiser reverse front & T100/Tacoma w/ factory locker. 11mm x 1.0.

    Product Features:
    • Ring gear bolt for Toyota 7.5″, 8″, 8″ V6, Landrcuiser reverse rotation front and T100 and Tacoma rear with factory locking differential
    • 11mm x 1.0
    See More

    Top-Quality Differential Bearings for 1991 Toyota 4Runners

    Choose a high-quality OEM or aftermarket Differential Bearing for Toyota 4Runners and enjoy top-notch performance from $10.99.

    National – Bearing Race (Part No.JLM104910)

    Bearing Race

    from

    $10.99
    Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.

    Product Features:
    • PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
    • SMOOTH ROTATION – Crowned raceways 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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    Driveworks – Taper Bearing Cone (Part No.S-LM-102949)

    Taper Bearing Cone

    from

    $15.49
    Value-priced bearing meets all cataloged application requirements.

    Product Features:
    • Brand may vary by location
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    Driveworks – Taper Bearing Cone (Part No.S-JLM-104948)

    Taper Bearing Cone

    from

    $13.79
    Value-priced bearing meets all cataloged application requirements.

    Product Features:
    • Brand may vary by location
    See More

    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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    Schaeffler – Cup (Part No.JLM104910)

    Cup

    from

    $11.99
    With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.

    Product Features:
    • High-precision and High-quality components used in all KITs
    • Coverage of classic and new high-tech solutions for the best system coverage
    See More

    Top Picks for 1991 Toyota 4Runner Differential Oil

    Invest in one of our 7 durable Differential Oil for your 1991 Toyota, knowing you’re getting trusted brands and expert craftsmanship.

    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
    See More

    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
    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

    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
    See More

    Differential Axle Shafts for 1991 Toyota 4Runners

    Make a smart move for your 1991 Toyota 4Runner with products all priced from $274.99 to $284.99.

    Yukon Gear – 1541H Alloy Rear Axle For ’86-’95 Toyota Pick And 4Runner (Part No.21659)

    1541H Alloy Rear Axle For '86-'95 Toyota Pick And 4Runner

    from

    $284.99
    Yukon 1541H alloy rear axle for ’86-’95 Toyota Pick and 4Runner with length 28 1/2″ and 30 splines. Yukon 1541H alloy axles offer a strength increase over stock while retaining a low cost. Yukon 1541H alloy rear axles come with a five year warranty against manufacturing defects.

    Product Features:
    • 30 spline
    • 6 lug
    • 28.5″ long
    • Fits Toyota 8″ and V6 in 1989-1995 Pickup and 4Runner
    See More

    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
    See More

    Top-Rated Differential Brands For Your 1991 Toyota 4Runner

    When it comes to finding the perfect Differential for your 1991 Toyota 4Runner, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 9 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 $10.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1991 Toyota 4Runner, providing peace of mind with parts that meet or exceed OEM standards.

    Popular Valvoline 1991 Toyota 4Runner Differentials

    If you’re looking for a top-quality Differential for your 1991 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 $35.99, you’ll find the perfect Differential for your needs and budget. Valvoline Differentials for the 1991 Toyota 4Runner come highly rated, with over 446 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.
    MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon
    from $35.99
    (446)
    MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon
    “Good quality great price”

    Top-Quality National 1991 Toyota 4Runner Differentials

    For those in search of a high-quality Differential for their 1991 Toyota 4Runner, Advance Auto Parts offers a great selection of National Differentials. With 3 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 $10.99, with an average price of $46.99, giving you a range of options to suit your budget. Backed by over 7 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.
    Bearing Race
    from $10.99
    (4)
    Bearing Race
    “Fast handling”
    Multi-Purpose Bearing
    from $89.99
    (2)
    Multi-Purpose Bearing
    “Exactly what came out”
    Shaft Repair Sleeve
    from $39.99
    (1)
    Shaft Repair Sleeve
    “Easy to use, too early to tell how long it will last. It did stop the oil leak with a new oil seal on the front crankshaft pulley. 87 mercedes 300td.”

    FAQs for 1991 Toyota 4Runner Differentials

    What are the best-selling Differentials for 1991 Toyota 4Runners?

    Out of 201 Differentials that fit 1991 Toyota 4Runners, the following parts are the top sellers:

    What’s the price range for 1991 Toyota 4Runner Differentials?

    The prices of Differentials for the 1991 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 1991 Toyota 4Runner?

    The average price for Differentials for the 1991 Toyota 4Runner is $243.96. 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 1991 Toyota 4Runner?

    The cheapest 1991 Toyota 4Runner Differentials we carry are:

    Does Advance Auto Parts sell Differentials for any other 1991 Toyota models?

    Yes. We stock Differentials for 9 other popular 1991 Toyota models. Some of the most popular are 1991 Corolla Differentials, 1991 Camry Differentials, 1991 Land Cruiser Differentials, 1991 Celica Differentials, and 1991 Pickup Differentials.

    What types of Differentials do you sell for my 1991 Toyota 4Runner?

    As of 3/1/26, these are some of the most in-demand types of Differentials for a 1991 Toyota 4Runner:

    Can I get help with 1991 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.