Double Deck Drive Belt Tightener Pulley AM133924 for John Deere LX280 LX288 54C. Double Deck Drive Belt Tightener Pulley is suitable for. John Deere LX280 LX288 LX289(48C deck) GX255 GX325 GX345 GX355 48C and 54C Mower Deck. Function Replaces the aging double pulleys on mower decks to help maintain a safe ride and make mowing easier. Material Constructed from heavy- duty steel with high strength, it is sturdy enough to resist impact and meet your need, durable to use for a long time. Replacement Directly replace JD OEM part number. Manufactured from OEM Specification. Enhance Your Mowing Experience. Upgrade your John Deere LX series or GX series lawn mower (LX280, LX288, LX289, GX255, GX325, GX345, GX355) with this AM133924 Double Deck Drive Belt Tightener Pulley. Designed to fit both 48-inch and 54-inch decks, it ensures compatibility and smooth operation. Renew the performance of your mower’s deck by replacing worn-out dual pulleys with the AM133924. Maintain safe and consistent blade rotation for efficient mowing that keeps your lawn looking its best. Crafted from premium materials, the AM133924 Double Deck Drive Belt Tightener Pulley guarantees robustness and longevity. Its high-quality construction ensures dependable performance over extended periods of use. This pulley is a suitable replacement for multiple part numbers, including AM133924, AM127594, and AM125668. Easily install it to restore your mower’s optimal functionality. 1 x Double Deck Drive Belt Tightener Pulley. If you are not satisfied for any reasons, please do not be so quick to leave negative/neutral feedback. Double Deck Drive Belt Tightener Pulley. For John Deere LX280 LX288 LX289 GX255 GX325 GX345 GX355. For 48C and 54C Mower Deck.