{"product_id":"hqpasfy-deck-spindle-pulley-replacement-kit-for-john-deere-z425-z435-z445-3-pack-for-48-54-decks-oem-fit","title":"HQPASFY Deck Spindle \u0026 Pulley Replacement Kit for John Deere Z425 Z435 Z445 — 3-Pack for 48\"\/54\" Decks, OEM Fit","description":"\u003cp\u003e\u003cstrong\u003eHQPASFY 3-pack deck spindle assemblies with matching spindle pulleys designed to replace AM144377 and compatible part numbers for John Deere Z425, Z435, and Z445 zero-turn mowers.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen your mower’s deck performance drops or you hear unusual noise from the cutting deck, worn spindles and pulleys are often the cause. This kit includes three complete deck spindle assemblies plus three spindle pulleys crafted to match OEM fit and function for 48\" and 54\" decks used on select John Deere Ztrak models. Each component is precision-machined and treated for corrosion resistance so you get consistent blade rotation and long service life in outdoor conditions.\u003c\/p\u003e\n\n\u003ch3\u003eWhich mower models and deck sizes will this kit fit?\u003c\/h3\u003e\n\u003cp\u003eThis replacement set is built to fit John Deere Z425, Z435, and Z445 Ztrak zero-turn mowers equipped with 48\" or 54\" cutting decks. Confirm your tractor’s deck size and compare the pictures and part numbers before ordering to ensure compatibility.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits Z425, Z435, Z445 models with 48\" or 54\" decks\u003c\/li\u003e\n  \u003cli\u003eMatches OEM mounting pattern for straightforward swap\u003c\/li\u003e\n  \u003cli\u003eCompare your existing spindle shape and pulley style to photos\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat parts are included and which OEM numbers do they replace?\u003c\/h3\u003e\n\u003cp\u003eThe package contains three complete deck spindle assemblies and three deck spindle pulleys, so you can service multiple spindles at once. These components are intended as direct replacements for several common John Deere part numbers.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e3 x deck spindle assemblies and 3 x spindle pulleys included\u003c\/li\u003e\n  \u003cli\u003eSpindle replaces AM124498, AM131680, AM135349, AM144377\u003c\/li\u003e\n  \u003cli\u003ePulleys replace M163464, M154394 and rotary 13542\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does upgrading spindles and pulleys improve mower performance?\u003c\/h3\u003e\n\u003cp\u003eWorn spindles and pulleys cause belt slippage, vibration, and uneven cutting height. Replacing them restores efficient power transfer from the engine to the blades, reduces vibration, and helps maintain a cleaner, more even cut.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePrecision-machined surfaces reduce friction and wear\u003c\/li\u003e\n  \u003cli\u003eImproved power flow lowers belt slip and heat buildup\u003c\/li\u003e\n  \u003cli\u003eCorrosion-resistant materials extend outdoor durability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I verify these parts match my mower before purchase?\u003c\/h3\u003e\n\u003cp\u003eAlways compare the photos and part numbers shown here to the spindle assemblies and pulleys on your mower. Remove the belt guard or take a clear photo of the existing spindle\/pulley assembly to check bolt pattern, shaft diameter, and pulley style.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompare bolt hole spacing and mounting flange shape\u003c\/li\u003e\n  \u003cli\u003eConfirm shaft diameter and pulley bore size match\u003c\/li\u003e\n  \u003cli\u003eMatch OEM part numbers listed on your old parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This HQPASFY three-pack is intended for homeowners and small-acreage landscapers who own John Deere Z425, Z435, or Z445 riding mowers and need a reliable, cost-effective way to service multiple deck spindles. It's ideal for anyone performing routine deck maintenance, replacing a worn or damaged spindle assembly, or prepping a mower for heavy mowing seasons. If you maintain several identical decks or prefer doing multiple spindle replacements in one job, the three-piece kit saves time and ensures matched components across the deck.\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 OEM replacements?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. They replace OEM numbers AM124498, AM131680, AM135349, AM144377 and pulleys M163464, M154394, rotary 13542.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use one kit to replace all spindles on a single deck?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: If your deck uses three spindle assemblies, this 3-pack covers all three so you can replace them at the same time.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"HQPASFY","offers":[{"title":"Default Title","offer_id":56801826668884,"sku":"B0FGJ9GMQX","price":193.32,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/hqpasfy-front-packaging-deck-spindle-pulley.jpg?v=1786750021","url":"https:\/\/gardenluxe.co.uk\/products\/hqpasfy-deck-spindle-pulley-replacement-kit-for-john-deere-z425-z435-z445-3-pack-for-48-54-decks-oem-fit","provider":"Gardenluxe Uk","version":"1.0","type":"link"}