{"product_id":"ideasure-mulching-blades-for-42-deck-4-pack-21-x-2-1-4-heavy-duty-steel-5-point-star-fit","title":"IDEASURE Mulching Blades for 42\" Deck — 4-Pack 21\" x 2-1\/4\" Heavy‑Duty Steel, 5‑Point Star Fit","description":"\u003cp\u003e\u003cstrong\u003eIDEASURE 134149 mulching blades are heavy-duty 21\" replacement blades designed for 42\" mower decks to restore cutting performance and convert clippings into fine mulch.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIf your riding mower is leaving uneven clumps, slow cutting, or torn grass, replacing worn blades with a matched set can make a big difference. These IDEASURE 134149 blades are made from a single piece of thick steel, sized for 42-inch decks, and supplied as a four-pack so you can replace all blades at once for balanced, efficient mowing.\u003c\/p\u003e\n\n\u003ch3\u003eWhat mowers and part numbers do these blades replace?\u003c\/h3\u003e\n\u003cp\u003eThese IDEASURE blades are manufactured to fit many common lawn tractors and riding mowers and directly replace several OEM part numbers.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplaces: 138971, 134149, 532134149, 777134149, 422719, 424752, 532422719, 532424752 and related variants.\u003c\/li\u003e\n  \u003cli\u003eCompatible brands\/models: Husqvarna LT125\/LTH130\/YTH1842\/YTH2042 series, Craftsman LT1000\/LT2000\/YT3000\/YT4000, Poulan\/ Poulan Pro PB and PD series, plus Murray, Jonsered, Ryobi, Ariens and similar 42\" deck tractors.\u003c\/li\u003e\n  \u003cli\u003eAlways verify center hole (5-point star) and blade dimensions against your mower manual before purchase.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these blades improve cutting and mulching performance?\u003c\/h3\u003e\n\u003cp\u003eThese blades are shaped and sized to promote lift and circulation inside a 42” deck so grass is cut repeatedly into finer pieces rather than being expelled as clumps.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-strength steel construction maintains edge longer for cleaner cuts.\u003c\/li\u003e\n  \u003cli\u003eMulching profile recirculates clippings to reduce bagging and improve lawn health.\u003c\/li\u003e\n  \u003cli\u003eBalanced dimensions (21\" x 2-1\/4\" x 0.134\") help reduce vibration and give even deck performance.\u003c\/li\u003e\n  \u003cli\u003eFive-point star center fits many common spindle bolts for straightforward installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the exact specifications and what’s included in the package?\u003c\/h3\u003e\n\u003cp\u003eThe set includes four identical IDEASURE 134149 blades engineered for easy swap-out and consistent performance across the deck.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePackage: 4 x mulching blades (complete set for a 42\" deck).\u003c\/li\u003e\n  \u003cli\u003eDimensions: Length 21\", Width 2-1\/4\", Thickness 0.134\".\u003c\/li\u003e\n  \u003cli\u003eCenter: 5-point star mounting hole to match compatible spindle hardware.\u003c\/li\u003e\n  \u003cli\u003eMaterial: Single-piece thick steel for durable, dependable use season after season.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I install and maintain these replacement blades?\u003c\/h3\u003e\n\u003cp\u003eProper installation and routine care keep the blades cutting well and extend their service life while protecting your mower’s deck and spindle components.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInstall blades with the correct orientation and torque per your mower manual; replace spindle hardware if worn.\u003c\/li\u003e\n  \u003cli\u003eSharpen or rotate blades periodically; balance blades after sharpening to avoid vibration.\u003c\/li\u003e\n  \u003cli\u003eInspect for cracks, bends, or excessive wear — replace immediately if damaged.\u003c\/li\u003e\n  \u003cli\u003eClean clippings and debris from the deck after use to prevent corrosion and maintain airflow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: These IDEASURE 134149 mulching blades are intended for homeowners and landscapers with 42\" deck riding mowers who want an economical, reliable blade replacement that restores cut quality and enhances mulching ability. Choose this four-pack if you prefer replacing all blades at once to maintain balance and consistent performance across the deck. Always double-check your mower model, center hole type, and blade dimensions before ordering to ensure compatibility.\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: Will these blades fit my 42\" Craftsman LT2000?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the IDEASURE 134149 blades are compatible with Craftsman LT2000 models that use a 21\" x 2-1\/4\" blade with a 5-point star center. Confirm your deck specifications before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I sharpen these blades or should I replace them?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: You can sharpen these steel blades several times; replace them if they become bent, cracked, or lose too much material from repeated sharpening.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"IDEASURE","offers":[{"title":"Default Title","offer_id":56829802840404,"sku":"B0DR8VSQJH","price":84.21,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/ideasure-blade-front-view.jpg?v=1786998343","url":"https:\/\/gardenluxe.co.uk\/products\/ideasure-mulching-blades-for-42-deck-4-pack-21-x-2-1-4-heavy-duty-steel-5-point-star-fit","provider":"Gardenluxe Uk","version":"1.0","type":"link"}