Power steering rack For Mercedes-Benz Sprinter 901 902 903 9014611401 2D1422055 9014600800 9014603200 9014604100 9014604

Power steering rack For Mercedes-Benz Sprinter 901 902 903 9014611401 2D1422055 9014600800 9014603200 9014604100 9014604

OE NO:9014611401 2D1422055 9014600800 9014603200 9014604100 9014604

Fit  :Mercedes-Benz Sprinter 901 902 903


Drive Guide:LHD

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Steering System
OE NO9014611401 2D1422055 9014600800 9014603200 9014604100 9014604
Place of OriginGuangzhou China
Mercedes-Benz Sprinter 901 902 903 Steering Rack And Pinion
Mercedes-Benz Sprinter 901 902 903 System Parts Replacement
Car Model
Mercedes-Benz Sprinter 901 902 903
Guide DriveLHD
Steering Gear Type
Hydraulic Power Steering Rack
Factory Direct Sale
Part Name
Steering Gear Box
12 Months

There are several components in your car's power steering system that make it easier and accurate to turn the vehicle. Older cars have large steering wheels that require a lot of muscle to control the manual steering system. Thanks to technology, modern cars have become easier to turn and drive.

The main components of power steering system between steering wheel and steering device include steering wheel itself, steering column, steering coupler, steering device, steering power hose and steering power pump. Usually, power steering is hydraulic, but electric power steering is also becoming more common. The electric power steering system consists of other components, including various sensors, wires, actuators, motors and electronic control units.

There are three basic types of automotive power steering systems: hydraulic power steering (HPS), electro-hydraulic steering (EPHS), and all-electric power steering (EPS). Electric and electronic power steering refer to the same system.

Hydraulic power steering (HPS) uses hydraulic pressure provided by the engine drive pump (power steering pump) to assist steering wheel rotation. The power steering pump is driven by an accessory or rotates by a serpentine belt and supplies the pressurized power steering fluid to the high-side power steering hose, which delivers the power steering fluid to the input side of the steering unit power steering control valve. The power steering fluid is extracted from the power steering fluid reservoir, which consists of a low-side power steering hose that returns the fluid from the gear at a lower pressure and keeps it at an appropriate level.

HPS has many disadvantages. Because the power steering pumps installed in most cars are always running, pumping fluid and wasting horsepower. This wasted energy translates into wasted fuel and higher emissions. In addition, the system is prone to leakage and noise, often due to belt fracture caused by failure.

Electro-hydraulic steering (EPHS) is a hybrid of hydraulic and electric power. In this system, the hydraulic pump is driven by an electric motor, rather than a motor-driven belt. In EPS, the traditional belts and pulley that drive the power steering pump are replaced by brushless motors. Power steering is driven by electric motors, which reduces the amount of energy that needs to be captured from the engine.

In electric power steering (EPS) system, the electric motor is used instead of hydraulic pump to build an all-electric power steering system. Electric motor or connected to bogie or steering column. The electronic control unit controls steering dynamics. EPS is usually the preferred system due to its better fuel economy and lower emissions.

EPS offers many additional advantages. The amount of assistance provided by EPS can be easily adjusted based on vehicle type, road speed and even driver preference. Another benefit is the elimination of hydraulic power steering fluid leakage and disposal of environmental hazards. In addition, in the event of engine failure or stall, electrical assistance is not lost, while hydraulic assistance will stop working when the engine stops.

"Steering by wire" or "drive-by-wire" steering systems are also being designed and implemented. These systems eliminate the mechanical connection between the steering wheel and steering system in favor of purely electronic control systems. This system frees up a lot of space in the dashboard that can be used for other things.

There are two main types of steering gears used in most modern vehicles: rack and pinion steering gears and round ball steering gears. The rack-pinion type is by far the most common, but circulating balls are still used on some trucks and heavier vehicles, and rocker arms are always used to transmit movement to the steering links.

Rack and pinion steering converts drive steering input into front wheel rotation motion. In this system, a pinion is connected to the steering shaft, which means that as the steering wheel turns, the pinion moves in a circle and then moves the rack in a straight line. It mainly converts the rotational motion of the steering wheel into the linear motion required to rotate the steering wheel. The two ends of the steering rack are rubber-plastic bellows fixed on the rack body and the moving part of the rack to prevent dust and debris from entering the rack gear unit.

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