Compatible models: Fit for John Deere X380 X384 X390 X394 X570 X580 X584 X590 lawn mowers Replaceable part number: M169486 Material: Made of high-quality Kevlar fiber, it features excellent heat resistance, oil resistance and wear resistance. Compared with traditional belts, it has higher strength and greater durability Efficient transmission: Lawn mower belt can reduce noise and vibration, ensuring a more efficient and stable operation process. It can also ensure efficient power transmission between the engine and the blade wheel, improving work efficiency Shock absorption and buffering: Lawn mower belt has a certain degree of elasticity, which can effectively reduce the direct impact of the engine on the blades, playing a good role in shock absorption and buffering, and protecting the mechanical structure from damage