{"product_id":"gelaska-am136733-spindle-uc26511-pulley-2-pack-for-john-deere-x300-x304-x310-z225-double-sealed-bearings-oem-fit","title":"GELASKA AM136733 Spindle \u0026 UC26511 Pulley 2-Pack for John Deere X300 X304 X310 Z225 — Double-Sealed Bearings, OEM Fit","description":"\u003cp\u003e\u003cstrong\u003eGELASKA 2Pack AM136733 spindle assemblies with UC26511\/M151720 pulleys are a direct-fit aftermarket deck rebuild kit engineered to replace worn spindles and pulleys on John Deere X300, X304, X310 and Z225 mower decks.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eRestore cutting performance and deck reliability with this two-piece spindle and pulley set by GELASKA. Each kit includes AM136733-type spindle assemblies featuring double-sealed bearings plus matching UC26511\/M151720 pulleys sized to match original equipment dimensions. The components are designed to fit common John Deere residential models and sub-models so you can perform a complete deck spindle refresh without sourcing multiple parts.\u003c\/p\u003e\n\n\u003ch3\u003eHow will replacing the spindle assembly improve my mower’s cutting?\u003c\/h3\u003e\n\u003cp\u003eWorn or damaged spindles cause blade wobble, uneven cuts and accelerated wear on blades and belts. Installing new AM136733 spindles restores true blade rotation, reduces vibration, and helps maintain correct deck alignment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDouble-sealed bearings retain lubrication longer for smoother rotation.\u003c\/li\u003e\n  \u003cli\u003eCorrect spindle height and width dimensions to match factory geometry.\u003c\/li\u003e\n  \u003cli\u003eReduces blade wobble and uneven cutting patterns.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these parts fit my John Deere X300 \/ Z225 model?\u003c\/h3\u003e\n\u003cp\u003eThe kit lists compatibility with John Deere X300, X304, X310 and Z225 models, including several Select Series and EZtrak variants. Always verify your tractor’s serial number and existing part numbers before ordering to ensure exact fitment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits X300 Select Series (PC9519) and X304 Select Series (PC9520).\u003c\/li\u003e\n  \u003cli\u003eCompatible with X310 (PC10883) and Z225 EZtrak (PC9593) models.\u003c\/li\u003e\n  \u003cli\u003eCross-references AM137483, AM143469, AM134292 and related spindle numbers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the key specifications I should know before installation?\u003c\/h3\u003e\n\u003cp\u003eKnowing spindle and pulley dimensions helps confirm compatibility and ensures belt alignment remains correct after replacement. The listed spindle and pulley dimensions match common OEM sizes to avoid clearance and belt tracking issues.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSpindle height approximately 6-11\/16\" and width about 5\".\u003c\/li\u003e\n  \u003cli\u003eM151720 \/ UC26511 pulley: outer diameter ~5.35\", inner bore ~0.60\", height ~0.78\".\u003c\/li\u003e\n  \u003cli\u003eDouble-sealed bearings for improved grease retention and longevity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I know when it’s time to replace my spindle assembly?\u003c\/h3\u003e\n\u003cp\u003eIf your deck shows blade wobble, noisy hub rotation, or visible bearing play, the spindle assembly may be failing. Replacement is recommended when wear causes vibration, excessive belt wear, or uneven mowing results.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSigns: grinding noises, blade wobble or visible shaft play.\u003c\/li\u003e\n  \u003cli\u003eRecommended when cutting quality declines or bearings leak grease.\u003c\/li\u003e\n  \u003cli\u003eA full spindle and pulley kit simplifies deck rebuild and belt re-tensioning.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This GELASKA 2Pack AM136733 + UC26511 pulley kit is intended for DIY lawn equipment owners, small fleet managers and service technicians working on John Deere X300-series and Z225 residential mowers who need a cost-effective, OEM-dimension replacement for worn deck spindles. If you maintain deck performance and want a matched spindle-and-pulley set with double-sealed bearings, this kit is designed to get your mower back to reliable cutting quickly. Always double-check model numbers, years and part references before purchase to ensure correct fitment.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these spindles direct replacements for OEM John Deere parts?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. These GELASKA spindles and pulleys are aftermarket parts sized to match common John Deere OEM references like AM136733 and UC26511.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do the bearings come pre-greased and sealed?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The spindle assemblies use double-sealed bearings that come pre-lubricated to help retain grease and extend service life.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"GELASKA","offers":[{"title":"Default Title","offer_id":56834143191380,"sku":"B0CLJ42LWB","price":111.79,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/gelaska-front-packaging-spindles-pulleys.jpg?v=1787047513","url":"https:\/\/gardenluxe.co.uk\/products\/gelaska-am136733-spindle-uc26511-pulley-2-pack-for-john-deere-x300-x304-x310-z225-double-sealed-bearings-oem-fit","provider":"Gardenluxe Uk","version":"1.0","type":"link"}