VOLKSWAGEN VW NEW POLO JETTA 6RU427057K Power Steering Rack

6RU427057K power steering rack is developed for VOLKSWAGEN VW NEW POLO JETTA. Brand new product.
Power steering gear is one kind of hydraulic unit which using the power of engine to change the car direction . The engine drives the oil pump to create hydraulic pressure , then the hydraulic pressure affects on the power cylinder piston , making the pinion produce auxiliary force to the rack