What is the ARB RD129 Air Locking Differential?

The ARB RD129 Air Locking Differential is an advanced off-road differential designed to improve traction and performance. It utilizes air pressure to lock the differential, allowing both wheels on an axle to turn at the same speed, which is particularly useful in off-road conditions. This feature helps in overcoming challenging terrains like mud, sand, or rocky paths by providing better grip and control. Ideal for enthusiasts and professionals, it transforms standard vehicles into formidable off-road machines.

What vehicles are compatible with the ARB RD129 Air Locking Differential?

The ARB RD129 is designed to fit a variety of vehicles, primarily targeting those with Dana 44 axles. This typically includes popular truck and SUV models. To determine compatibility, it’s advisable to check the specifications of your vehicle’s axle or consult the ARB application guide. Proper installation can significantly enhance off-road capability and ensure that you’re ready for any adventure, whether it’s rock crawling or traversing snow-covered trails.

How does the air locker system work?

The air locker system operates using pneumatic pressure to lock the differential. At the driver’s discretion, engaging the locking mechanism forces both wheels to turn together at the same speed. This is achieved with an onboard air compressor that provides the necessary pressure. It’s particularly effective in situations where one wheel may lose traction, such as on wet or uneven surfaces, ensuring optimal performance in various terrains without permanently altering your vehicle's drivetrain.

Is installation of the ARB RD129 difficult?

The installation of the ARB RD129 Air Locking Differential can be complex and typically requires advanced mechanical skills. It is essential to correctly install the air compressor, lines, and differential to ensure optimal performance. Many users choose to have it professionally installed to avoid potential issues. Once set up, it allows for seamless performance enhancement, significantly improving traction in extreme driving conditions, which is invaluable for off-road enthusiasts.

What benefits does an air locking differential provide?

An air locking differential offers numerous benefits, including enhanced traction, improved control on slippery surfaces, and the ability to navigate rugged terrain with confidence. By locking the differential, both wheels receive equal power, preventing wheel spin when one wheel is off the ground. This is particularly beneficial in off-road scenarios, allowing you to confidently tackle obstacles like steep inclines or deep mud without getting stuck, ultimately enhancing your driving experience.

Can the ARB RD129 be used in on-road conditions?

While the ARB RD129 is primarily designed for off-road use, it can be engaged on-road but with caution. Engaging the locker on dry, paved surfaces can lead to excessive tire wear and may affect handling. It is best suited for off-road scenarios where maximal traction is needed. Understanding when to engage or disengage the differential helps maintain your vehicle's performance and longevity while ensuring safety on various terrains.

How does maintenance work for the ARB RD129 Air Locking Differential?

The ARB RD129 requires minimal maintenance, but regular checks of the air compressor and lines are essential to ensure they are functioning correctly. Keeping the differential lubricated and checking for any potential leaks will enhance the lifespan of the unit. Simple actions, like periodic inspections before off-road trips, can provide peace of mind, assuring users that the differential operates optimally when tackling tough environments.

What kind of air compressor is required for the RD129?

For the ARB RD129, you’ll need an air compressor that can sufficiently provide pressure to engage the differential locking mechanism. ARB’s own air compressors are recommended as they are compatible and designed for this purpose. Having a reliable compressor allows for quick engagement and disengagement, enhancing your off-road experience by ensuring your differential performs at its best when you need it most in challenging conditions.

What tools are needed for installation?

To install the ARB RD129 Air Locking Differential, you will need various tools including a socket set, wrenches, a ratchet, and possibly a differential removal tool. Another essential tool is an air compressor to connect the locking mechanism. Having these tools handy ensures a smooth and efficient installation. Properly installing the differential leads to better vehicle performance in off-road situations, enhancing traction and stability when navigating tough terrains.

Where can I buy ARB RD129 Air Locking Differential?

You can buy the ARB RD129 Air Locking Differential at Ubuy, a trusted online platform that offers a wide selection of automotive products. Ubuy makes it easy to browse, order, and get your hands on quality automotive gear, ensuring you have the right equipment for your off-road adventures. Their extensive inventory and user-friendly experience make finding the components you need straightforward.

How to Shop ARB RD129 Air Locking Differential Online From Ubuy?

It’s easy to shop ARB RD129 Air Locking Differential online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location.

Is ARB RD129 Air Locking Differential Available to Shop Online in India?

Yes, at Ubuy India this product is available for you to shop at a reasonable price. The ARB RD129 Air Locking Differential is not available locally but you can trust us with our express shipping services.

How Long Does It Take to Get Product After Placing the Order?

The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.

ARB

With the flick of the switch, an Air Locker gives instant lock at any moment and its super strong design allows activation at any speed allowing you to tackle the toughest terrain.

ARB

Item #: 111193476

ARB RD129 Air Locking Differential

Item #: 111193476

INR 153844

Price Details

Price

INR 153844

M.R.P. INR 153844

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

^{*All items will import from US}

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Only 7 items left in stock.

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With the flick of the switch, an Air Locker gives instant lock at any moment and its super strong design allows activation at any speed allowing you to tackle the toughest terrain.

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What Stands Out

Enhanced Traction

The ARB RD129 Air Locking Differential offers superior traction by locking both wheels, allowing vehicles to tackle challenging terrains with ease, making it ideal for off-road enthusiasts.

Durability

Engineered for durability, the ARB RD129 is built with high-quality materials to withstand extreme conditions and heavy use, ensuring long-lasting performance for adventurous drivers.

Air-Driven Mechanism

Featuring an innovative air-driven locking mechanism, the RD129 allows for seamless engagement and disengagement, providing flexibility for on-road and off-road driving, enhancing overall vehicle control.

Product Details

Brand Name	ARB
Manufacturer	ARB
Manufacturer Part Number	RD129
Item Weight	30 lbs (13.61 kg)

Who Should Buy?

Off-Road Enthusiasts
Ideal for off-road drivers seeking improved traction in challenging terrains like mud, snow, or rocky surfaces.
4x4 Vehicle Owners
Perfect for 4x4 owners wanting enhanced control and stability during off-road adventures and rough conditions.
Heavy-Duty Applications
Great for users requiring durable and reliable performance in extreme conditions, such as rock crawling or competitive trails.

Casual Drivers
Not suitable for everyday drivers who primarily use their vehicles on paved roads and don’t require off-road capabilities.

Product Description

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Customer Questions & Answers

Question: How to Shop ARB RD129 Air Locking Differential Online From Ubuy?

Answer: It’s easy to shop ARB RD129 Air Locking Differential online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location.
Question: Is ARB RD129 Air Locking Differential Available to Shop Online in India?

Answer: Yes, at Ubuy India this product is available for you to shop at a reasonable price. The ARB RD129 Air Locking Differential is not available locally but you can trust us with our express shipping services.
Question: How Long Does It Take to Get Product After Placing the Order?

Answer: The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.

ARB Differential Assembly Kits Editorial Review

ARB RD129 Air Locking Differential is a highly engineered product by ARB, known for its durability and reliability in off-road conditions. Weighing 30 lbs (13.61 kg), this differential is designed to improve traction by locking both wheels on the axle, making it an excellent choice for adventurous drivers seeking enhanced performance. As an essential upgrade for off-roading, it provides excellent control and stability, particularly in challenging terrains, ensuring that you can navigate obstacles with confidence. Users appreciate its robust construction, highlighting the effective improvement in their vehicle's capabilities.

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Pros

Durable construction for rugged terrains
Improves traction significantly
Enhances vehicle stability
Designed for off-road performance
Easy to install in compatible models

Cons

Requires professional installation for optimal performance

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4.3/5 1588 reviews

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“It is really an amazing experince on importing items from US. Very simlified procedure of custom duty handling. The delivery was also done in lightning seed.”

20 September 2026 · via Trustpilot

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“Product was of good quality.”

23 September 2026 · via Trustpilot

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“Very easy to use Very easy to use. Nice resolution. Ubuy got it in the assured time slot.”

06 October 2026 · via Trustpilot

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“I have ordered McLaren formula car for kids from Huffy. Ubuy actually done a great job by quality testing the car before shipping long distance over to India from USA. Ubuy has taken very good care over shipment as well. I am great fan of Ubuy and I wish them the success they deserve.”

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“Highly recommended for hard-to-find items Extremely satisfied with my purchase on Ubuy. I was initially unsure about ordering from an international seller, but everything went without a hitch. All customs and shipping details were handled seamlessly with zero surprise fees at delivery. The product is 100% genuine and well-packaged. Highly recommended for rare or imported products!”

07 October 2026 · via Trustpilot

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Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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INR 153844

Order now and get it around Wednesday, November 04

QTY:

Only 7 items left in stock.

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Features & Benefits

Premier traction aid for all conditions.
Instant lock with a simple flick of a switch.
Super strong design allows activation at any speed.
Prevents axle shafts from turning independently.
Maintains maximum possible traction at all times.
Promotes safer and more controlled driving.

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ARB RD129 Air Locking Differential

INR 153844

Fast Shipping

Free Return*

Secure Packaging

100% Original Products

PCI DSS Compliance

ISO 27001 Certified

What Stands Out

Product Details

Who Should Buy?

Product Description

Customer Questions & Answers

ARB Differential Assembly Kits Editorial Review

Customer Reviews & Ratings

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WHY SHOP WITH US

Product Price History

Important information

INR 153844

Features & Benefits

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