OEM HITACHI ZX160 HYDRAULIC PUMP OIL SEAL 34 X 54 X 11 MM (OEM HI 4340328) | Tonkee®

The dimensions of the oil seal, 34 x 54 x 11 mm, provide key information about its size.

These measurements specify the outer diameter, inner diameter, and thickness of the seal. The accurate sizing is vital to ensure a proper fit within the hydraulic pump assembly, as an incorrect fit can lead to hydraulic fluid leaks and diminished equipment performance.

The primary function of the hydraulic pump oil seal is to create a reliable barrier between the high-pressure hydraulic fluid within the system and the external environment. Hydraulic pumps in excavators generate substantial pressure to power various hydraulic components like the boom, arm, and bucket. Without an effective oil seal, hydraulic fluid leakage can occur, leading to reduced hydraulic power and compromised equipment performance.

The construction of this oil seal is designed to withstand the challenging conditions encountered in construction and excavation applications. Typically, it is crafted from high-quality materials that exhibit resistance to wear, heat, and the corrosive properties of hydraulic fluid. This robust construction ensures the oil seal's durability and longevity, reducing the frequency of replacements and associated maintenance costs.

Proper installation of the oil seal is critical to its effectiveness.

The seal is usually installed within the hydraulic pump housing, where it forms a barrier between the rotating shaft of the pump and the stationary housing. This prevents hydraulic fluid from escaping along the pump's shaft and maintains the required pressure within the hydraulic system.

Regular maintenance and inspection of the hydraulic pump oil seal are crucial to detect signs of wear or damage. Over time, the seal may deteriorate due to exposure to hydraulic fluid, temperature variations, and continuous movement. Any indications of leakage or reduced sealing effectiveness should prompt immediate replacement to prevent further damage to the hydraulic system and maintain equipment performance.

The OEM part number HI 4340328 signifies that this oil seal is an original equipment manufacturer (OEM) component produced by Hitachi. OEM parts are manufactured to meet Hitachi's stringent specifications and quality standards, ensuring a precise fit and compatibility with the ZX160 series excavators. Using genuine OEM parts is essential for maintaining warranty coverage, equipment reliability, and optimal performance.

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