{"product_id":"upgraded-grip120-m154960-secondary-deck-belt-for-54-inch-john-deere-gx255-gx335-gx355-x540-x320-x530-x590-lawn-mower-replaces-m143923-58-x-1206","title":"[Lifetime Warranty] [Upgraded Grip120] M154960 Secondary Deck Belt for 54 Inch John Deere GX255 GX335 GX355 X540 X320 X530 X590 Lawn Mower - Replaces M143923 | 5\/8\" x 120.6\"","description":"\u003ch2\u003e[Upgraded Grip120] M154960 Secondary Deck Belt for 54 Inch John Deere GX255 GX335 GX355 X540 X320 X530 X590 Lawn Mower - Replaces M143923 | 5\/8\" x 120.6\"\u003c\/h2\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: M154960\u003c\/li\u003e\n\u003cli\u003eType: Secondary Deck Belt\u003c\/li\u003e\n\u003cli\u003eApplication: For 54-inch mower decks with a two-belt system\u003c\/li\u003e\n\u003cli\u003eDimensions: 5\/8 in. Width x 120.6 in. Outer Circumference\u003c\/li\u003e\n\u003cli\u003eMaterial: Reinforced synthetic rubber construction for durability and grip\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReplaces \/ Cross-Reference Part Numbers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eJohn Deere: M154960, M143923\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility \u0026amp; Fitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: John Deere\u003c\/li\u003e\n\u003cli\u003eDeck Size: 54 inches\u003c\/li\u003e\n\u003cli\u003eFits Models: GX255, GX335, GX355, X320, X530, X540, X590\u003c\/li\u003e\n\u003cli\u003eNote: This secondary belt is for mower decks that utilize a two-belt configuration. Verify your specific deck requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen to Replace\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVisible damage such as cracking, fraying, glazing, or separation\u003c\/li\u003e\n\u003cli\u003eAudible squealing or slipping during blade engagement\u003c\/li\u003e\n\u003cli\u003eReduced or inconsistent blade speed leading to an uneven cut\u003c\/li\u003e\n\u003cli\u003eBelt frequently dislodges from pulleys\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDisconnect the spark plug wire before beginning work for safety.\u003c\/li\u003e\n\u003cli\u003eRefer to your mower's service manual for the correct belt routing diagram.\u003c\/li\u003e\n\u003cli\u003eClean debris from all pulleys and inspect them for damage or wear.\u003c\/li\u003e\n\u003cli\u003eEnsure the belt is correctly seated in all pulley grooves before tensioning.\u003c\/li\u003e\n\u003cli\u003eCheck and adjust belt tension as specified by the manufacturer after installation.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BlueStarsParts","offers":[{"title":"Default Title","offer_id":46609421140157,"sku":"AZ00254782","price":50.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2576\/7548\/files\/AZ00254782_1.jpg?v=1775538258","url":"https:\/\/bluestarsparts.com\/products\/upgraded-grip120-m154960-secondary-deck-belt-for-54-inch-john-deere-gx255-gx335-gx355-x540-x320-x530-x590-lawn-mower-replaces-m143923-58-x-1206","provider":"BlueStars Parts","version":"1.0","type":"link"}