{"product_id":"deck-kit-john-deere-l120-48","title":"48-Inch Deck Rebuild Kit for John Deere L120 \u0026 L130 | GX20305 Belt","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\n\u003cp\u003eThis \u003cstrong\u003e48-inch deck rebuild kit\u003c\/strong\u003e is built for select \u003cstrong\u003eJohn Deere L120\u003c\/strong\u003e and \u003cstrong\u003eJohn Deere L130\u003c\/strong\u003e mower decks using the listed belt, blade, spindle, and idler pulley replacement numbers.\u003c\/p\u003e\n\n\u003cp\u003eThe kit includes the main wear parts commonly replaced during a mower deck refresh: \u003cstrong\u003e3 spindle assemblies\u003c\/strong\u003e, \u003cstrong\u003e3 mower blades\u003c\/strong\u003e, \u003cstrong\u003e3 idler pulleys\u003c\/strong\u003e, and \u003cstrong\u003e1 deck drive belt\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eThis is a good option when your John Deere 48-inch mower deck has noisy spindle bearings, worn blades, slipping belt issues, noisy idler pulleys, uneven cut quality, deck vibration, or multiple deck parts that need to be replaced at the same time.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Match your mower model, serial range, deck size, blade count, and original deck part numbers before ordering. Several John Deere L-Series decks use similar spindle or idler numbers but different belts, blades, and deck layouts.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eKit Includes\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3\u003c\/strong\u003e spindle assemblies with grease fittings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3\u003c\/strong\u003e mower blades\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\u003c\/strong\u003e deck drive belt\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\u003c\/strong\u003e large flat idler pulley\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2\u003c\/strong\u003e small flat idler pulleys\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eCompatible Brands \u0026amp; Model Series\u003c\/h2\u003e\n\n\u003cp\u003eThis deck rebuild kit is intended for select \u003cstrong\u003eJohn Deere 48-inch L-Series mower decks\u003c\/strong\u003e using the listed replacement part numbers.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eJohn Deere L120:\u003c\/strong\u003e serial number after 150001\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJohn Deere L130:\u003c\/strong\u003e serial number after A13001 and after B020001\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJohn Deere part-number path:\u003c\/strong\u003e select applications using the GY20050 spindle, GX20250 blade, GX20305 belt, and listed idler pulley numbers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eFitment note:\u003c\/strong\u003e Model names and serial ranges are fitment clues. Always confirm your original belt, blade, spindle, and idler pulley numbers before ordering.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eFits Select John Deere Models\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eJohn Deere L120 — serial number after 150001\u003c\/li\u003e\n\u003cli\u003eJohn Deere L130 — serial number after A13001\u003c\/li\u003e\n\u003cli\u003eJohn Deere L130 — serial number after B020001\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eSerial range note:\u003c\/strong\u003e This kit is supplier-listed for later L120 and L130 serial ranges. Earlier serial ranges may use different deck parts. Match the original part numbers before ordering.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eReplaces Common Deck Belt Numbers\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eJohn Deere:\u003c\/strong\u003e GX20305, GY20571\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdditional Reference:\u003c\/strong\u003e 10437\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eBelt Size:\u003c\/strong\u003e 1\/2 inch x 139 inches\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eBelt note:\u003c\/strong\u003e Supplier data lists this belt for the engine-to-deck drive path. Match your original belt number, belt width, belt length, and belt routing before ordering.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eReplaces Common Blade Numbers\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eJohn Deere:\u003c\/strong\u003e GX20250, GY20568\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdditional References:\u003c\/strong\u003e 10634, 50-2141\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eBlade Specs:\u003c\/strong\u003e 17-inch blade, 2-1\/2 inch width, .164 inch thickness, 11\/16 inch center hole, 3\/8 inch outer holes, 3-11\/16 inch center-to-center outer hole spacing.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eBlade note:\u003c\/strong\u003e This kit uses three blades for select 48-inch L-Series decks. Confirm your original blade number, blade length, center hole style, and blade count before ordering.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eReplaces Common Spindle Assembly Numbers\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eJohn Deere:\u003c\/strong\u003e GY20050, GY20785\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eSpindle Specs:\u003c\/strong\u003e 6-3\/8 inch overall height with grease fitting.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSpindle note:\u003c\/strong\u003e This kit uses the \u003cstrong\u003eGY20050 \/ GY20785\u003c\/strong\u003e spindle path. Do not confuse it with similar John Deere 48-inch kits using the \u003cstrong\u003eGY20454 \/ GY20867 \/ GY20962\u003c\/strong\u003e spindle path.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eReplaces Common Idler Pulley Numbers\u003c\/h2\u003e\n\n\u003ch3\u003eLarge Flat Idler Pulley\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eJohn Deere:\u003c\/strong\u003e GY22082, GY20629\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdditional Reference:\u003c\/strong\u003e 756-05034\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eLarge Idler Specs:\u003c\/strong\u003e 5-1\/8 inch OD, 11\/16 inch ID, 1-3\/4 inch height.\u003c\/p\u003e\n\n\u003ch3\u003eSmall Flat Idler Pulley\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eJohn Deere:\u003c\/strong\u003e GY22172, GY20067\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eSmall Idler Specs:\u003c\/strong\u003e 3-5\/8 inch OD, 11\/16 inch ID, 1-3\/16 inch height.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIdler note:\u003c\/strong\u003e This kit includes three idler pulleys: one large idler pulley and two smaller idler pulleys. Confirm pulley locations, pulley sizes, and belt routing before ordering.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eBefore Ordering\u003c\/h2\u003e\n\n\u003cp\u003eBefore ordering this 48-inch deck rebuild kit, confirm:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eYour mower uses a \u003cstrong\u003e48-inch 3-blade deck\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eYour mower is a John Deere L120 or L130 within the listed serial range\u003c\/li\u003e\n\u003cli\u003eYour original belt number matches \u003cstrong\u003eGX20305\u003c\/strong\u003e or \u003cstrong\u003eGY20571\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eYour blade numbers match the \u003cstrong\u003eGX20250 \/ GY20568\u003c\/strong\u003e blade path\u003c\/li\u003e\n\u003cli\u003eYour spindle numbers match the \u003cstrong\u003eGY20050 \/ GY20785\u003c\/strong\u003e spindle path\u003c\/li\u003e\n\u003cli\u003eYour idler pulleys match the listed \u003cstrong\u003eGY20629 \/ GY22082\u003c\/strong\u003e and \u003cstrong\u003eGY20067 \/ GY22172\u003c\/strong\u003e idler pulley paths\u003c\/li\u003e\n\u003cli\u003eYour deck shell, belt guides, idler arms, spindle mounting holes, and tension system are in usable condition\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eDo not install parts until fitment is confirmed. Installed deck parts may not be eligible for return.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eCommon Symptoms This Kit Helps Fix\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eNoisy spindle bearings\u003c\/li\u003e\n\u003cli\u003eDeck vibration\u003c\/li\u003e\n\u003cli\u003eUneven cut quality\u003c\/li\u003e\n\u003cli\u003eDull, bent, cracked, or worn blades\u003c\/li\u003e\n\u003cli\u003eDeck belt slipping, squealing, or jumping off\u003c\/li\u003e\n\u003cli\u003eNoisy or loose idler pulleys\u003c\/li\u003e\n\u003cli\u003eBlade wobble or bearing play\u003c\/li\u003e\n\u003cli\u003eMultiple deck parts worn at the same time\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003ePark the mower on a level surface and disconnect the spark plug before working on the deck\u003c\/li\u003e\n\u003cli\u003eTake photos of the belt routing before removing old parts\u003c\/li\u003e\n\u003cli\u003eInspect the deck shell for cracks, wallowed holes, rust damage, or bent mounting areas\u003c\/li\u003e\n\u003cli\u003eCheck spindle mounting bolts, blade bolts, washers, belt guides, idler arms, pulleys, and tension springs\u003c\/li\u003e\n\u003cli\u003eCompare the new parts to your original parts before installation\u003c\/li\u003e\n\u003cli\u003eConfirm all three idler pulleys are installed in the correct locations before routing the belt\u003c\/li\u003e\n\u003cli\u003eAfter installation, rotate the blades by hand with the mower off to confirm there is no contact or binding\u003c\/li\u003e\n\u003cli\u003eTest the mower at low speed first and listen for vibration, belt tracking issues, squealing, or unusual noise\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eWhy Buy From PTO Direct USA?\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eFast USA shipping\u003c\/li\u003e\n\u003cli\u003eFitment-first product descriptions\u003c\/li\u003e\n\u003cli\u003eClear part-number routing for mower deck repairs\u003c\/li\u003e\n\u003cli\u003eDeck parts organized by belts, blades, spindles, pulleys, and rebuild kits\u003c\/li\u003e\n\u003cli\u003eSupport for homeowners, repair shops, and mower owners\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eNeed Help Confirming Fitment?\u003c\/h2\u003e\n\n\u003cp\u003eIf you are unsure whether this kit fits your mower, send us your mower model number, serial number, deck size, blade count, and photos of your original belt, blades, spindle assemblies, idler pulleys, mower deck, and mower ID tag before ordering.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\n\u003ch3\u003eDoes this fit John Deere L120?\u003c\/h3\u003e\n\u003cp\u003eYes, this kit is listed for select \u003cstrong\u003eJohn Deere L120\u003c\/strong\u003e 48-inch deck applications with serial number after \u003cstrong\u003e150001\u003c\/strong\u003e. Confirm your original belt, blade, spindle, and idler pulley numbers before ordering.\u003c\/p\u003e\n\n\u003ch3\u003eDoes this fit John Deere L130?\u003c\/h3\u003e\n\u003cp\u003eYes, this kit is listed for select \u003cstrong\u003eJohn Deere L130\u003c\/strong\u003e 48-inch deck applications with serial number after \u003cstrong\u003eA13001\u003c\/strong\u003e and after \u003cstrong\u003eB020001\u003c\/strong\u003e. Match your original part numbers before ordering.\u003c\/p\u003e\n\n\u003ch3\u003eWhat belt comes in this kit?\u003c\/h3\u003e\n\u003cp\u003eThis kit includes a deck drive belt replacing \u003cstrong\u003eGX20305\u003c\/strong\u003e and \u003cstrong\u003eGY20571\u003c\/strong\u003e. The listed belt size is \u003cstrong\u003e1\/2 inch x 139 inches\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eWhat blades come in this kit?\u003c\/h3\u003e\n\u003cp\u003eThis kit includes three blades replacing the \u003cstrong\u003eGX20250 \/ GY20568\u003c\/strong\u003e blade path. The blades are listed as \u003cstrong\u003e17 inches\u003c\/strong\u003e long with an \u003cstrong\u003e11\/16 inch center hole\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eWhat spindle numbers does this kit replace?\u003c\/h3\u003e\n\u003cp\u003eThis kit includes three spindle assemblies replacing \u003cstrong\u003eGY20050\u003c\/strong\u003e and \u003cstrong\u003eGY20785\u003c\/strong\u003e. Supplier data lists the spindle height as \u003cstrong\u003e6-3\/8 inches\u003c\/strong\u003e overall with a grease fitting.\u003c\/p\u003e\n\n\u003ch3\u003eWhat idler pulleys are included?\u003c\/h3\u003e\n\u003cp\u003eThis kit includes one large flat idler pulley replacing \u003cstrong\u003eGY22082 \/ GY20629\u003c\/strong\u003e and two smaller flat idler pulleys replacing \u003cstrong\u003eGY22172 \/ GY20067\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eIs this the same as the John Deere L100 42-inch deck kit?\u003c\/h3\u003e\n\u003cp\u003eNo. This kit shares the \u003cstrong\u003eGY20050 \/ GY20785\u003c\/strong\u003e spindle path with some older L-Series kits, but it uses a \u003cstrong\u003e48-inch 3-blade deck layout\u003c\/strong\u003e, the \u003cstrong\u003eGX20305 \/ GY20571\u003c\/strong\u003e belt path, and the \u003cstrong\u003eGX20250 \/ GY20568\u003c\/strong\u003e blade path.\u003c\/p\u003e\n\n\u003ch3\u003eIs this the same as the John Deere D140 48-inch deck kit?\u003c\/h3\u003e\n\u003cp\u003eNo. This kit uses the older \u003cstrong\u003eGY20050 \/ GY20785\u003c\/strong\u003e spindle path and is listed for L120 and L130 serial ranges. Later D-Series and 100-Series 48-inch decks may use different spindle, blade, and belt numbers.\u003c\/p\u003e\n\n\u003ch3\u003eHow many blades and spindles are included?\u003c\/h3\u003e\n\u003cp\u003eThis kit includes \u003cstrong\u003e3 mower blades\u003c\/strong\u003e, \u003cstrong\u003e3 spindle assemblies\u003c\/strong\u003e, \u003cstrong\u003e3 idler pulleys\u003c\/strong\u003e, and \u003cstrong\u003e1 deck drive belt\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eCan I order this kit by mower appearance?\u003c\/h3\u003e\n\u003cp\u003eNo. Do not order by appearance alone. Match your mower model, serial number, deck size, blade count, belt number, blade number, spindle number, idler pulley numbers, and deck layout whenever possible.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003cp\u003e\u003cstrong\u003eNeed individual deck parts instead?\u003c\/strong\u003e Browse \u003ca href=\"\/collections\/belts\"\u003emower deck belts\u003c\/a\u003e, \u003ca href=\"\/collections\/blades\"\u003emower blades\u003c\/a\u003e, \u003ca href=\"\/collections\/spindles\"\u003espindle assemblies\u003c\/a\u003e, and \u003ca href=\"\/collections\/pulleys\"\u003edeck pulleys and idlers\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNeed a different deck setup?\u003c\/strong\u003e Browse the full \u003ca href=\"\/collections\/deck-parts\"\u003emower deck parts catalog\u003c\/a\u003e.\u003c\/p\u003e","brand":"PTO Direct USA","offers":[{"title":"Default Title","offer_id":53119012274543,"sku":"KIT-JD-48-GX20305","price":169.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0957\/5058\/6735\/files\/deck-kit-john-deere-l120-48.jpg?v=1781599393","url":"https:\/\/ptodirectusa.com\/products\/deck-kit-john-deere-l120-48","provider":"PTO Direct USA","version":"1.0","type":"link"}