ARB® - Air Locker

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$940.50
Manufactured - Ships in 3 to 5 days
2002 Land Rover Discovery
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Product Details

Land Rover Discovery Series II SD / Series II SE with 24 Shaft Spline with 3.54 Gear Ratio with Rover Series Axle 2002, Air Locker by ARB®. Created to provide 100% traction on demand, without sacrificing any of your vehicle's highway driving performance, ARB Air Lockers employ a 12 volt ARB Air Compressor designed to activate (and deactivate) a solid and durable locking mechanism inside the differential. This gives you the traction you need, when you need it, all at the flip of a switch and all within the comfort of the driver's seat.Air locker locking differentials allow you to tackle the toughest terrain. The world's premier traction aid, ARB air lockers keep you moving in all conditions.

Includes:

  • Differential
  • Activation Switch
  • Solenoid Valve
  • Air Line and Bulkhead Fittings

Features:

Differential Case

Differential Case
Fully machined one piece nodular iron differential carrier case offers the rigidity of a one piece factory differential with twice the standard number of pinion gears to cope with the torque.

Flange Cap Assembly

Flange Cap Assembly
Fully machined nodular iron flange cap incorporates the stationary side of ARB’s tough, proven and patented timed locking mechanism.

Splined Side Gear

Splined Side Gear
High grade surface treatments, nickel alloy steel and ARB’s patented timed locking system make this the most "lockable" gear in the industry.

Pinion Gear

Pinion Gear
Forged gears and redefined tooth geometry, ARB's revolutionary design yields structural advantages of up to 30% over other available high strength gears.

Clutch Gear

Clutch Gear
ARB’s patented locking system actually supports the side gear teeth, giving you more torque handling exactly when you need it.

Spider Block

Spider Block
A billet machined alloy steel spider block supports the cross shafts, using the torque applied at each shaft to support the next shaft along.

Long Cross Shaft

Long Cross Shaft
Alloy steels and performance surface technology make for a high pressure running fit that can handle an enormous amount of punishment.

Cross Shaft Retaining Pin

Cross Shaft Retaining Pin
Custom made one piece hardened retaining pins lock into the assembly using a tapered thread junction.

Bonded Seal

Bonded Seal
Steel reinforced, elastomer bonded annular seal has been proven to handle 20,000+ cycles under the most extreme climactic temperatures on earth.

Return Springs

Return Springs
To engage/disengage the locker, ARB Air Lockers use up to 12 return springs to support the entire profile of the locking gear for a fast, positive and independent.

Air Supply

Air Supply
At the flick of a dash mounted switch, compressed air is delivered to a seal housing assembly via a nylon air line.

Solenoid Valve

Solenoid Valve
Manufactured from a machined and anodized billet aluminum and sealed against moisture and dust to IP54 standards, ARB's heavy duty solenoid controls the air actuation.

Many people believe that a 4x4 and traction go hand in hand...you can't have one without the other. However, your vehicle's standard (or open) differential is designed to allow each wheel to turn independently, thus eliminating binding during turns. While off road this becomes a major burden as engine power will take the path of least resistance, which occurs at the wheels with little or no traction.

Newer vehicles with limited slip differentials may offer some improvement, but more often you'll find the slipping not 'limited' enough to maintain forward progress. Automatic locking differentials also have their disadvantages. Aside from being noisy when disengaging, they can also upset the on-highway driving characteristics of your vehicle.

Created to provide 100% traction on demand, without sacrificing any of your vehicle's highway driving performance, ARB Air Lockers employ a 12 volt ARB Air Compressor designed to activate (and deactivate) a solid and durable locking mechanism inside the differential. This gives you the traction you need, when you need it, all at the flip of a switch and all within the comfort of the driver's seat.

The advantage of the ARB Air Locker lies in the pneumatically operated locking system inside the differential. When activated, the Air Locker prevents the differential gears from rotating and therefore prevents the axle shafts from turning independently of each other. With both wheels tied directly to the rotation of the ring gear, the vehicle maintains maximum possible traction at all times. When unlocked, it operates just like a conventional 'open' differential.

In addition to providing outright improvements to a 4x4's off road capabilities, the Air Locker offers significant environmental benefits. An Air Locker equipped vehicle can be driven in a slower, safer and more controlled manner, greatly reducing the likelihood of vehicle damage and environmental impact.

ARB Air Lockers are currently available in over 100 configurations to suit a wide range of 4x4 vehicles from around the world and can be installed in both the front and rear axles. Installation should be performed by a qualified differential technician, although no special tools or skills are required apart from those necessary for fitting a standard differential. ARB also offers three compressor models suitable for Air Locker operation, two of which can be used to inflate tires and other equipment such as air tools.

The origins of ARB® can be traced back to Australia’s remote Top End, circa 1975. A region of vast distances and rugged terrain, it was fast becoming a Mecca for the nation's burgeoning 4WD community. However, the very environment that attracted 4 wheelers also wreaked havoc on their equipment – when driving in extreme conditions, only the best 4x4 accessories will do. Today, ARB is Australia’s largest manufacturer and distributor of 4x4 accessories. They also have an international presence, with an office in the US and an export network that extends through more than 80 countries around the globe. ARB's philosophy, however, has never wavered from its original course – quality, reliability and practicality above all else.

Brand:
Part Number:
RD138
UPC:
881348007315

Warranty

ARB products are warranted to be free from defects in materials and workmanship for a period of twenty four (24) months from the date of initial retail purchase, with the exception of ARB Fridge/Freezers and Old Man Emu suspension products, which carry a thirty six (36) month, 37,000 miles (OME suspension) limited warranty, ARB Air Locker, which carries a sixty (60) month warranty, and LINX, which carries a twelve (12) month warranty. ARB’s obligation under this warranty shall be limited to repairing, replacing or crediting at its option, any part found to be defective.

ARB does not warrant or make any representations concerning its goods when:

  • The products are purchased used, scratch and dent or open box
  • The products are not installed, used, and maintained strictly in accordance with the manufacturer's instructions
  • The products are installed in vehicles that are used in competition
  • The products are installed in vehicles fitted with aftermarket non-standard tires with diameters in excess of OEM specifications

ARB will not be liable for labor charges and other intangible or consequential losses that might be claimed as a result of a failure of any ARB component or part thereof to the extent permitted by state law.

Magnuson-Moss Warranty Act:
Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)) Learn More

Vehicle Fitment

Land Rover Discovery
2004 Land Rover Discovery
  • HSE / S / SE 4WD With 24 Shaft Spline With 3.54 Gear Ratio With Rover Series Axle
2003 Land Rover Discovery
  • HSE / S / SE With 24 Shaft Spline With 3.54 Gear Ratio With Rover Series Axle
2002 Land Rover Discovery
  • Series II SD / Series II SE With 24 Shaft Spline With 3.54 Gear Ratio With Rover Series Axle
Land Rover Range Rover
2004 Land Rover Range Rover
  • HSE With 24 Shaft Spline With 3.54 Gear Ratio With Rover Series Axle
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2002 Land Rover Range Rover
  • HSE 4 Engine VIN Character With 24 Shaft Spline With 3.54 Gear Ratio With Rover Series Axle
2001 Land Rover Range Rover
  • 4WD 4 Engine VIN Character With 24 Shaft Spline With 3.54 Gear Ratio With Rover Series Axle
2000 Land Rover Range Rover
  • With 24 Shaft Spline With 3.54 Gear Ratio With Rover Series Axle
1999 Land Rover Range Rover
  • With 24 Shaft Spline With 3.54 Gear Ratio With Rover Series Axle
1998 Land Rover Range Rover
  • 50th Anniversary Edition / HSE / SE 4WD With 24 Shaft Spline With 3.54 Gear Ratio With Rover Series Axle
Low Prices Price match guarantee
Guaranteed Fitment Always the correct part
In-House Experts We know our products
Easy Returns Quick & Hassle Free

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