- This kit includes all the necessary parts to replace the control arm on your Land Rover Range Rover Executive Discover 3/4. It is compatible with the below, left, and right placements of the vehicle. The kit comes with bushings, and is covered by a 6 month manufacturer warranty. The package includes LR025159 / LR051586, RBX500311, RBX500301, RBX000200/LR018345, RGX500201, RGX500211, and R. Purchase this kit to ensure your vehicle runs smoothly.