The Hitachi 4439033 bushing is a genuine OEM replacement part designed for various Hitachi excavators. This high-quality bushing ensures proper articulation and reduces wear in critical pivot points. With an inner diameter of 120 mm, an outer diameter of 140 mm, and a length of 72 mm, it provides a precise fit for maintaining optimal machine performance and longevity. Manufactured to Hitachi's rigorous standards, this bushing is essential for reliable operation and extended service life of your heavy equipment.