OEM A4VG28 Hydraulic Pump | replacement parts

Cylinder Block: The cylinder block is a vital component of the hydraulic pump responsible for generating hydraulic pressure.

In the event of damage or excessive wear, replacing the cylinder block becomes necessary. It is crucial to select a high-quality replacement cylinder block to ensure optimal performance and longevity.

Pistons: Pistons play a crucial role in converting hydraulic energy into mechanical energy. Due to continuous operation, pistons can wear out or develop leaks, resulting in reduced pump performance. When replacing pistons, it is essential to choose ones that match the specifications of the A4VG28 pump to maintain efficiency.

Valve Plate: The valve plate acts as a control mechanism, regulating the flow of hydraulic fluid within the pump. Over time, the valve plate can become damaged or worn, leading to decreased pump efficiency and potential leakage. Replacing the valve plate with a compatible and high-quality replacement can restore the pump's performance.

Bearings and Seals: Bearings and seals are critical components that ensure smooth operation and prevent leakage within the hydraulic pump. Over time, these parts can wear out or become damaged, leading to increased friction, reduced efficiency, and potential fluid leaks. Replacing worn bearings and seals with suitable replacements is essential to maintain the pump's performance and prevent further damage.

Shaft and Drive Couplings: The shaft and drive couplings transmit power from the motor to the hydraulic pump. In case of damage or failure, these components may need replacement. It is crucial to select shafts and couplings that are compatible with the A4VG28 pump's specifications to ensure proper power transmission and avoid potential issues.

O-Rings and Gaskets: O-rings and gaskets are essential for sealing various components within the hydraulic pump to prevent fluid leakage.

Due to exposure to hydraulic fluid and regular usage, these seals can deteriorate over time, leading to leaks and decreased pump performance. Replacing worn or damaged O-rings and gaskets with suitable replacements is crucial for maintaining the pump's integrity and efficiency.

Control Pistons and Plates: Control pistons and plates regulate the flow and pressure of hydraulic fluid within the pump. These components may need replacement if they become damaged or worn out. Selecting appropriate replacements that meet the A4VG28 pump's specifications is crucial to maintain accurate control and optimal pump performance.

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