{"product_id":"spindle-pulley-for-john-deere-42-inch-54-inch-deck-s240-190c-d170-g110-gx21381","title":"Spindle Pulley for John Deere 42 Inch 54 Inch Deck S240 190C D170 G110 GX21381","description":"\u003cstrong\u003eThis Spindle Pulley is a replacement spindle pulley compatible with John Deere 42-inch and 54-inch mower decks and matches OEM Part# GX21381.\u003c\/strong\u003e\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThis John Deere spindle pulley is a direct replacement for select riding mower decks, ensuring efficient blade drive and smooth operation. Designed for 42-inch and 54-inch John Deere decks, it fits models including the S240, 190C, D170, and G110. The pulley transfers belt power from the engine to the blades, making it essential for reliable cutting performance.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePrecision-engineered to match OEM specifications for GX21381\u003c\/li\u003e\n\u003cli\u003eRust-resistant finish for long service life in outdoor conditions\u003c\/li\u003e\n\u003cli\u003eCompatible with both 42-inch and 54-inch John Deere decks\u003c\/li\u003e\n\u003cli\u003eReinforced steel construction withstands heavy-duty mowing\u003c\/li\u003e\n\u003cli\u003eEasy bolt-on installation with no modifications needed\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eJohn Deere S240\u003c\/li\u003e\n\u003cli\u003eJohn Deere 190C\u003c\/li\u003e\n\u003cli\u003eJohn Deere D170\u003c\/li\u003e\n\u003cli\u003eJohn Deere G110\u003c\/li\u003e\n\u003cli\u003eJohn Deere 42-inch and 54-inch mower decks\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon Uses\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eReplacing worn or broken spindle pulleys on residential and commercial zero-turn mowers\u003c\/li\u003e\n\u003cli\u003eRestoring belt alignment and blade speed on John Deere lawn tractors\u003c\/li\u003e\n\u003cli\u003eMaintaining cutting performance during peak mowing season\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number(s):\u003c\/strong\u003e GX21381\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeck Size Compatibility:\u003c\/strong\u003e 42 inch, 54 inch\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Will this spindle pulley fit my John Deere D170 with a 48-inch deck?\u003cstrong\u003e A:\u003c\/strong\u003e This pulley is designed for 42-inch and 54-inch decks only; 48-inch decks use a different pulley assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Do I need to replace the belt at the same time?\u003cstrong\u003e A:\u003c\/strong\u003e It is recommended to inspect the belt for wear and replace if frayed or stretched to ensure proper fit and performance.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eProduct appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.\u003c\/em\u003e\u003c\/p\u003e","brand":"DURAFORCE","offers":[{"title":"Default Title","offer_id":53721977356561,"sku":"ZZ3C01099","price":440.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/2446\/2929\/files\/s-l1600_9eb684df-aaa7-45f3-be0c-5d72e7d3b5f4.jpg?v=1782825123","url":"https:\/\/www.duraforce.com\/products\/spindle-pulley-for-john-deere-42-inch-54-inch-deck-s240-190c-d170-g110-gx21381","provider":"DURAFORCE","version":"1.0","type":"link"}