OEM Wabco Land Rover STC2784 ABS Accumulator for Range Rover P38 If your ABS accumulator is showing signs of wear, it is time to replace it instead of adding a burden to your ABS pump. A high-quality OEM ABS accumulator from Wabco. Replaces Land Rover OE part STC2784 Fits the Land Rover Range Rover P38 4.0 (1995 - 2002) and Range Rover P38 4.6 (1995 - 2002) model vehicles.