2pcs Mower Deck Idler Tightener Spring M45123. Used to tighten idler pulley on many mower decks to ensure proper operation. Fit for John Deere Riding Mower Models: 120 140 300 312 314 316 317 318 322 330 322 330 332 425 445 455 RX63 RX73 RX75 RX95 SRX75 SRX95.
