The Komatsu 3EB1531271 is a genuine OEM transmission filler cap designed for a wide range of Komatsu heavy machinery, including numerous PC series excavators, WA series wheel loaders, D series dozers, and HM series articulated dump trucks. This essential component ensures the transmission fluid system remains sealed and free from contaminants, maintaining optimal performance and longevity of the machinery. Manufactured to Komatsu's rigorous standards, it guarantees a perfect fit and reliable function. Dimensions are approximately 55mm (L) x 55mm (W) x 55mm (H) with a weight of 0.08 kg.