This high-quality connecting rod fits Komatsu PC120 mini excavator engines. Produced by our own Tianjin Longdong factory, it is made of premium 42CrMo forged steel. With professional heat treatment and precision CNC machining, it features stable structure, high toughness and excellent wear resistance. It meets strict OEM standards for direct replacement, perfectly adapting to heavy-duty and complex working conditions. Custom sizes are supported, with stable supply, fast delivery and 12-month warranty.