Ensures secure fit for ABS sensor Prevents erratic wheel-speed readings and ABS warning light Maintains accurate sensor alignment for traction control EAC’s copper ABS sensor bush compensates for wear in Defender, Discovery 1, Freelander, Range Rover Classic, and P38 swivel housing pivots where steel or alloy bores lose tolerance—allowing the sensor to shift, corrode, or pull loose. A failing bush leads to intermittent wheel-speed data: ABS or traction control lights, pulsating brakes, disabled ABS, skid risk and MOT faults.