The Komatsu 5090090360 is a genuine OEM head bolt designed for secure fastening of the cylinder head on Isuzu 6BG1 and 6BG1T engines, commonly found in various Komatsu excavators. This critical engine component ensures proper compression and prevents leaks, contributing to the engine's overall performance and longevity. Manufactured to Komatsu's high-quality standards, this M12 x 1.75 thread head bolt measures 120mm in length and weighs approximately 0.15 kg, providing reliable and durable performance in demanding construction and industrial applications.