Features: 1) Made of high quality steel with black coating, rust and corrosion resistance. This spring has high ductility and good sturdiness
2) Direct replacement for John Deere Mower Deck Idler Tightener Spring. Used to tighten idler pulley on many mower decks to ensure proper operation 3) The spring is made of sturdy and durable steel, is not easy to be broken that could serve you for a long time. And it’s easy to install that avoid you spend more time installing so that you could let your work done quickly and efficiently
4) Part Numbers Replacement:M45123, M42292, AM3999