MINI Hydraulic Haldex Pump. The Haldex pump provides the oil pressure to operate the all-wheel-drive system assembly and engages the coupling to send power to the rear wheels. Haldex Hydraulic Pump. Cooper ALL4 Countryman (USA) Cooper ALL4 B38 Countryman (ECE) Cooper ALL4 B38C Countryman (ECE) Cooper D ALL4 B47 Countryman (ECE) Cooper D ALL4 B47B Countryman (ECE) Cooper S ALL4 Countryman (USA) Cooper S ALL4 B46 Countryman (ECE) Cooper S ALL4 B48 Countryman (ECE) Cooper S ALL4 B48C Countryman (ECE) Cooper SD ALL4 B47 Countryman (ECE) Cooper SD ALL4 B47D Countryman (ECE) JCW ALL4 Countryman (ECE) JCW ALL4 Countryman (USA).
