ARB Lock for Rover-type bridges, P38A - RD138 fits models:

• Front and rear axle - Land Rover Range Rover - models produced between 1994-01 - with a 3.54 ratio - in some models, wheel mounting screws with the satellite basket are not suitable for reuse during assembly and should be replaced with new ones
• Rear axle - Land Rover Discovery Series II - models produced after 2002 - with a 3.54 ratio - models with traction control system - and models without traction control system with a flange diameter of 205 mm (8.07")
• Rear axle - Land Rover Defender 110, 130, County - models produced after 2002 - with a 3.54 ratio - models with traction control system - and models without traction control system with a flange diameter of 205 mm (8.07")
• Rear axle - Land Rover Defender 90, County - models produced after 2002 - with a 3.54 ratio - models with traction control system - and models without traction control system with a flange diameter of 205 mm (8.07")

Half-shaft diameter: 31.5 mm (1.24")
Number of spline teeth: 24
Ratio: 3.54

For more information about the RD138 lock parts, refer to the assembly drawings on the last pages of the lock manual - download the manual.