Description
Air Locker locking differentials allow you to tackle the toughest terrain. As the worlds premier traction aid, ARB Air Lockers keep you moving in all conditions. While developing the Air Locker for the 2012 T6 Ranger and Mazda BT50, ARB Engineers noted the similarities between the differential dimensions with the Landrover Discovery Series 3. With the only difference being the ring gear diameter, this resulted in development of the RD217. This Air Locker fits the front axle of the Land Rover Discovery 3 and 4. The Air Locker for the rear axle followed. The RD218 was developed so that customers have the opportunity to lock both axles of their Discovery 3s. Because Discovery 3 are built with IRS systems, the removal and installation of the differential assembly consumes more time that a typical live axle vehicle. Furthermore, as the rear section of the exhaust system is mounted underneath the axles, it will need to be removed before carrying out the above. Adequate time should be allocated for RD218 fitting, but overall complexity level is relatively low. Due to variation between the rear axles of the Discovery 3 and 4, the RD218 only applicable for the Discovery 3. Please also note that it does not suit vehicles with an original equipment, O.E., differential locker.
Resources
Installation Instructions
Resources
Installation Instructions
Specifications:
| Add-On | N/A |
| Color | Silver |
| Description_ASM | LR DISCOVERY S3 S/N…. |
| Description_DEF | Differential |
| Description_DES | Air Locker Differential |
| Description_EXT | Air Locker Differential; Shaft Spline 31; Rear; For Use w/Land Rover Discovery 3/LR3; |
| Description_EXT | ARB Air Locker Differential |
| Description_EXT | For Use w/Land Rover Discovery 3/LR3 |
| Description_EXT | Rear |
| Description_EXT | Shaft Spline 31 |
| Description_FAB | Air compressor required for operation (sold separately) |
| Description_FAB | Allows Concentration On Terrain |
| Description_FAB | Does Not Affect Road Drivability/Driveline Wear |
| Description_FAB | Easy, convenient operation allows the user to concentrate on the terrain without leaving the comfort and safety of the driver’s seat |
| Description_FAB | Easy/Convenient Operation |
| Description_FAB | Employs Minimal Moving Parts Ensuring Maximum Reliability |
| Description_FAB | Incredibly Simple Yet Effective Design |
| Description_FAB | Kit includes: Air Locker differential, activation switch, solenoid valve, air line and bulkhead fitting |
| Description_FAB | Patented ?timed’ locking mechanism offers high strength and ultra-fast unlocking |
| Description_FAB | Provides 100 Percent Traction On Demand |
| Description_FAB | Provides 100 percent traction on demand without affecting on-road drivability or driveline wear |
| Description_FAB | Reduces Likelihood Of Vehicle Damage/Environmental Impact |
| Description_FAB | Steel reinforced, elastomer bonded annular seal designed to handle the most extreme climatic temperatures on Earth |
| Description_FAB | Two-piece design is ultra-durable and extremely strong ? minimal moving parts ensure maximum reliability |
| Description_FAB | Ultra Durable And Extremely Strong |
| Description_INV | AirLocker 31 SPL RR |
| Description_INV | ARB Air Locker Differential |
| Description_MKT | Air Locker locking differentials allow you to tackle the toughest terrain. As the worlds premier traction aid, ARB Air Lockers keep you moving in all conditions. While developing the Air Locker for the 2012 T6 Ranger and Mazda BT50, ARB Engineers noted the similarities between the differential dimensions with the Landrover Discovery Series 3. With the only difference being the ring gear diameter, this resulted in development of the RD217. This Air Locker fits the front axle of the Land Rover Discovery 3 and 4. The Air Locker for the rear axle followed. The RD218 was developed so that customers have the opportunity to lock both axles of their Discovery 3s. Because Discovery 3 are built with IRS systems, the removal and installation of the differential assembly consumes more time that a typical live axle vehicle. Furthermore, as the rear section of the exhaust system is mounted underneath the axles, it will need to be removed before carrying out the above. Adequate time should be allocated for RD218 fitting, but overall complexity level is relatively low. Due to variation between the rear axles of the Discovery 3 and 4, the RD218 only applicable for the Discovery 3. Please also note that it does not suit vehicles with an original equipment, O.E., differential locker. |
| Description_MKT | The world’s premier traction aid, an ARB Air Locker keep you moving in all conditions. 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. The advantage of the Air Locker lies in the pneumatically operated locking system inside the differential. When activated, the Air Locker prevents the internal 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 like a conventional open differential. 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. |
| Description_SHO | Air Locker |
| Description_SHO | Differential |
| height | 11.02 |
| length | 10.63 |
| LTL | N |
| Material | Steel |
| Prop 65 Yes/No | No |
| Title | ARB – RD218 – Air Locker Differential |
| weight | 25.52 |
| width | 10.63 |
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