In-stock parts ship in 24–48 hours · Questions? Real humans: (920) 249-7744

Shop by Vehicle Pick your rig and see everything that fits
1
2
3
Browse popular rigs & all vehicles Hide vehicles
SKU: RD90

ARB Air Locker Differential, Toyota 7.5 in. IFS Front, 27 Spline for Toyota 4Runner (1986-2002), Toyota Tacoma (1995-2004) & Toyota Tundra (2000-2006)

By ARB
$1,299.95

Ships from manufacturerShips in 1–3 business days (in stock) · see return terms Real humans who wheel(920) 249-7744 Financing availableAffirmPayPal CreditFor qualified buyers at checkout Secure checkoutEncrypted payment
Confirmed fit: 1991–2006 Toyota 4Runner
Verified to fit the 1991–2006 Toyota 4Runner.
Estimated lead time: 1–3 business days (in stock)
Warranty Information

Vendor warranty summary

ARB Warranty

At a glance: 5 years on Air Locker, 3 years on ARB-branded products, 1 year/25,000 miles on wear items

This is ARB's warranty, not an NVMOS policy. We've summarized it in plain English to save you a search. The manufacturer's official terms always govern and can change without notice. Last reviewed on nvmos.com: November 4, 2026.

Coverage by product

Product or component Coverage
Air Locker (personal use) 5 years, unlimited miles
ARB-branded products (personal use) 3 years, unlimited miles
Wear items: bushes, bearings, shackles, pins, U-bolts, batteries, globes, gas struts 1 year or 25,000 miles, whichever comes first
Air Locker & ARB-branded products (commercial use) 3 years or 60,000 miles, whichever comes first
Wear items (commercial use) 1 year or 25,000 miles, whichever comes first
  • Keep your NVMOS order confirmation — proof of purchase is required.

What's covered

  • Defects in materials and workmanship from the purchase date
  • Applies when the product is fitted per ARB's instructions and legal requirements and used for its intended purpose
  • ARB chooses whether to repair, replace or refund

What's not covered

  • Normal wear and tear
  • Incorrect fitting or use beyond what the product was designed for
  • Misuse, negligent operation or poor maintenance
  • Modified products; accident or vandalism damage
  • Competitive events such as racing or rallying
  • Use in underground mining or other highly corrosive environments
  • Consequential losses; liability capped at the purchase price

How to make a ARB warranty claim

  • Contact ARB as soon as you find the defect
  • Do not remove the product from the vehicle before contacting ARB
  • Submit the online warranty claim form with your purchase receipt
  • ARB reviews the claim and decides on repair, replacement or refund

ARB contact: Phone: +1 (619) 940-1769 · Claim page / support

Bought it from NVMOS? Start with us.

Have your order number and a few photos of the issue ready, then call real humans at (920) 249-7744 or send us a message. We'll tell you whether the claim goes through us or straight to ARB, and help it along either way.

Shop ARB at NVMOS

See all ARB products, lead times and FAQs →

Disclaimer: The information on this page describes ARB's own warranty policy. It is not a warranty offered by NVMOS (No Visible Means of Support LLC). Manufacturers update their terms at any time; we review these pages periodically, but the manufacturer's current official policy is the one that applies to your claim. Source: ARB official warranty information. Last updated on nvmos.com: November 4, 2026. See our return policy for NVMOS's own terms.

About the brand

ARB

ARB is the Australian 4x4 company behind the Air Locker, and it builds most of what goes on an overland truck: bumpers, lockers, compressors, roof racks, awnings, fridges, drawers and recovery gear. NVMOS carries the ARB lineup for Toyota, Jeep, Ford, Chevy, GMC, Ram and Nissan trucks and SUVs.

Based in: Melbourne, Australia · Lead time: In-stock items typically ship in 24-48 hours; large items may ship by freight

ARB warranty: 5 years on Air Locker, 3 years on ARB-branded products, 1 year/25,000 miles on wear items. Read the full summary

Warranty terms are set by ARB, not NVMOS, and can change. Bought from us? Call (920) 249-7744 and we'll handle the claim with the brand.


ARB Air Locker Differential, Toyota 7.5 in. IFS Front, 27 Spline for Toyota 4Runner (1986-2002), Toyota Tacoma (1995-2004) & Toyota Tundra (2000-2006)

This ARB Air Locker is made for the Toyota 7.5 in. IFS front axle with 27-spline, 1.10 in. shafts. It covers the 4Runner, Tacoma and Tundra years listed below. The diff runs open until you send air to it, so street manners stay stock and the front axle locks when you ask.

Why it works
Axle-specificSized for the Toyota 7.5 in. IFS front axle, 27 spline, 1.10 in. shaft, any ratio.
Front positionBuilt to go in the front differential, not the rear.
Install guideManufacturer install instructions are available for this part.
5-year coverARB backs its Air Lockers for 5 years.
Specifications
Spec Detail
Fitment Toyota 4Runner 1986-2002; Toyota Tacoma 1995-2004; Toyota Tundra 2000-2006
Axle Toyota 7.5 in. IFS
Position Front
Spline count 27
Shaft diameter 1.10 in.
Gear ratio All
Part number RD90
Before you order

Confirm you have the Toyota 7.5 in. IFS front axle with 27-spline shafts before ordering. Manufacturer install instructions are available. ARB install instructions: download the PDF. Not sure it fits your build? Call real humans at (920) 249-7744 with your year, trim and setup and we will confirm it.

Frequently asked questions
Which axle does this fit?

The Toyota 7.5 in. IFS front axle with 27-spline, 1.10 in. shafts, in any gear ratio.

Is this a front or rear locker?

Front.

Are install instructions available?

Yes, the manufacturer publishes install instructions for this locker.

What warranty does it carry?

ARB covers its own and Old Man Emu products for 3 years with unlimited miles (Air Lockers 5 years); wear items like bushes, shackles, pins and U-bolts are covered for 1 year or 25,000 miles.

Finish the whole truck in one order

Complete your Toyota 4Runner build

More parts that fit your Toyota 4Runner and pair well with this one — matched and ready to install.

ARB Air Locker Differential, Toyota 7.5 in. IFS Front, 27 Spline for Toyota 4Runner (1986-2002), Toyota Tacoma (1995-2004) & Toyota Tundra (2000-2006) (this item) What you’re viewing $1,299.95
✓ Door Sill Protection Overlays Finish $24.99
✓ Auxbeam PowerTray > 4Runner/ FJ Cruiser/ GX Finish $95.00
Build total (1 items)
$1,299.95
The complete look for your Toyota 4Runner.
Set any options above, then add them all in one click — one checkout, one shipment.
Everything else that fits this truck

More for your Toyota 4Runner

Picked from the 1846 parts we carry for the Toyota 4Runner, matched to 1986–2002 model years. Check the years and trim in each title — or call us and we’ll confirm fit.

Shop all 1846 parts for your Toyota 4Runner →

Specifications

  • Fitment: Toyota 4Runner 1986-2002; Toyota Tacoma 1995-2004; Toyota Tundra 2000-2006
  • Axle: Toyota 7.5 in. IFS
  • Position: Front
  • Spline count: 27
  • Shaft diameter: 1.10 in.
  • Gear ratio: All
  • Part number: RD90

ARB Air Locker Differential, Toyota 7.5 in. IFS Front, 27 Spline for Toyota 4Runner (1986-2002), Toyota Tacoma (1995-2004) & Toyota Tundra (2000-2006) FAQs

Which axle does this fit?

The Toyota 7.5 in. IFS front axle with 27-spline, 1.10 in. shafts, in any gear ratio.

Is this a front or rear locker?

Front.

Are install instructions available?

Yes, the manufacturer publishes install instructions for this locker.

What warranty does it carry?

ARB covers its own and Old Man Emu products for 3 years with unlimited miles (Air Lockers 5 years); wear items like bushes, shackles, pins and U-bolts are covered for 1 year or 25,000 miles.

Multi-column

Minimalist icon of three people for social, community, or group activities
Join Our Community

For all things NVMOS, check us out on Instagram and Facebook!

Simple black and white credit card icon for payment or checkout options
Financing Available

Pay over time with Affirm or PayPal Credit at checkout, for qualified buyers.

black and white envelope mail icon for email or newsletter sign up
Contact Us

Have a question? Just send us an e-mail at support@nvmos.com