{"product_id":"scbhwj-idler-pulley-for-exmark-lazer-z-lawn-mower-fits-116-9639-109-8590-oem-fit-replacement-for-smooth-belt-tension","title":"SCBHWJ Idler Pulley for Exmark Lazer Z Lawn Mower — Fits 116-9639 \/ 109-8590, OEM-fit replacement for smooth belt tension","description":"\u003cp\u003e\u003cstrong\u003eThe SCBHWJ idler pulley (models 116-9639, 109-8590) is a direct-fit replacement pulley engineered to restore belt tension and smooth drive operation on a wide range of Exmark Lazer Z series lawn mowers.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen your Exmark mower starts making belt noise, slipping under load, or the deck drive feels loose, the idler pulley is often the simple, affordable part to replace. This SCBHWJ unit is manufactured to meet original-equipment fit for many Exmark Lazer Z X- and E-series machines, offering the same basic dimensions and mounting profile so installation is straightforward. It’s useful for routine maintenance, belt replacement projects, or bringing an older mower back to reliable operation.\u003c\/p\u003e\n\n\u003ch3\u003eWhich Exmark models will this pulley fit?\u003c\/h3\u003e\n\u003cp\u003eThis pulley is compatible with a broad selection of Exmark Lazer Z X- and E-series models. It matches OEM references 116-9639 and 109-8590 and fits machines across several model families used in residential and commercial mowing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eExmark Lazer Z X-Series examples: LZX38KC726, LZX27KC606CA, LZX801CKA606C1, LZX921GKA726C1, LZX980EKC606W0.\u003c\/li\u003e\n  \u003cli\u003eExmark Lazer Z E-Series examples: LZE751GKA724A1, LZE801GKA604A1, LZE742GKC604A3, LZE740EKC60400.\u003c\/li\u003e\n  \u003cli\u003eCross-references: OEM numbers 116-9639 and 109-8590 (also listed as 109 8590 \/ 1169639 \/ 1098590).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the pulley’s specifications and what do they mean for performance?\u003c\/h3\u003e\n\u003cp\u003eThe SCBHWJ pulley is built to the key dimensions you need for correct belt alignment and consistent tension. Proper sizing helps prevent premature belt wear and reduces vibration in the drive train.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInner diameter: 3\/7\" (bearing bore for correct shaft fit).\u003c\/li\u003e\n  \u003cli\u003eOuter diameter: 9\" for belt contact and routing geometry.\u003c\/li\u003e\n  \u003cli\u003eHeight (thickness): 2\" to match clearance and spacing in the idler assembly.\u003c\/li\u003e\n  \u003cli\u003eDurable materials intended for repeated rotational loads in mowing applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is it to install and what tools are needed?\u003c\/h3\u003e\n\u003cp\u003eInstallation is typically straightforward for anyone comfortable working on small engines and mower decks. Basic hand tools are usually all that’s required; some models may require minimal disassembly of guards or belt routing to access the idler mount.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCommon tools: socket set or wrench set, screwdriver, and pliers.\u003c\/li\u003e\n  \u003cli\u003eRecommended steps: relieve belt tension, remove old pulley, install new pulley with proper orientation, re-route belt and test under low load.\u003c\/li\u003e\n  \u003cli\u003eTime estimate: most DIY installs take 20–45 minutes depending on mower configuration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat after-sales support and warranty come with this replacement pulley?\u003c\/h3\u003e\n\u003cp\u003eSCBHWJ provides a solid support policy to back the part in case of fitment issues or manufacturing defects. The warranty and responsive customer service help ensure you’re covered if anything unexpected occurs after purchase.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e24-month warranty covering non-artificial quality defects.\u003c\/li\u003e\n  \u003cli\u003eCustomer service response within 24 hours via Amazon Messages or the official support email.\u003c\/li\u003e\n  \u003cli\u003eManufacturer guarantees replacement or assistance for verified defects during the warranty period.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This idler pulley is intended for owners, landscapers, and maintenance technicians working on Exmark Lazer Z X- and E-series mowers who need an OEM-equivalent replacement to restore belt alignment, reduce noise, and prolong belt life. It’s a practical choice for routine maintenance, repair shops stocking common spares, or anyone refurbishing an aging mower 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: Does this pulley replace OEM 109-8590?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, this SCBHWJ pulley is a direct replacement for OEM 109-8590 (also referenced as 116-9639).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What are the pulley dimensions?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Inner diameter 3\/7\", outer diameter 9\", and height 2\" for correct fit and belt routing.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"SCBHWJ","offers":[{"title":"Default Title","offer_id":54204249899192,"sku":"B0CQYB6XNS","price":97.03,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/0636\/7416\/files\/scbhwj-front-view-pulley.jpg?v=1790627047","url":"https:\/\/canadianlawn.ca\/products\/scbhwj-idler-pulley-for-exmark-lazer-z-lawn-mower-fits-116-9639-109-8590-oem-fit-replacement-for-smooth-belt-tension","provider":"Canadian Lawn","version":"1.0","type":"link"}