The Kubota K525434752 is a genuine OEM tensioner spring designed for various Kubota ZD series zero-turn mowers. This essential component maintains proper belt tension, crucial for the efficient operation of the mower's drive system. Manufactured to Kubota's high standards, it ensures durability and precise fitment, helping to prevent slippage and extend belt life. Weighing approximately 0.054 kg, this spring is a direct replacement for the original part, ensuring reliable performance and compatibility with specified Kubota models.