{"product_id":"udc-parts-lawn-mower-blades-for-husqvarna-532173921-48-3-pack-oem-fit-5-point-star","title":"UDC Parts Lawn Mower Blades for Husqvarna 532173921 - 48\" 3-Pack, OEM-fit 5-Point Star","description":"\u003cp\u003e\u003cstrong\u003eThese are three UDC Parts replacement lawn mower blades engineered to fit 48\" decks using Husqvarna OEM numbers like 532173921 and compatible Craftsman\/Poulan models.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhen your mower needs new cutting edges, this 3-pack from UDC Parts gives you an economical way to restore cutting performance for many 48-inch riding mower decks. Each blade is manufactured to match the critical dimensions and center hole configuration of the original equipment, making installation straightforward for common Husqvarna and Craftsman models. Below you'll find clear answers to the most common buyer questions about fit, dimensions, installation, and who should consider these blades.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I know these blades will fit my mower?\u003c\/h3\u003e\n\u003cp\u003eConfirming fit starts with checking the mower’s OEM part number and deck size. These blades are specified to replace Husqvarna part 532173921 and several cross-reference numbers; they use the five-point star center hole common to many 48\" decks. If your mower lists any of the compatible models or part numbers in the description, these blades are likely a match.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with Husqvarna OEM 532173921 and related numbers listed in the product details.\u003c\/li\u003e\n  \u003cli\u003eDesigned for 48\" decks and models such as YTH2348, GTH2548, YTH2448 and many others.\u003c\/li\u003e\n  \u003cli\u003eCenter hole: 5-point star; measure your spindle or existing blade to confirm.\u003c\/li\u003e\n  \u003cli\u003eImportant: double-check your mower’s full model\/configuration before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the exact blade dimensions and mounting details?\u003c\/h3\u003e\n\u003cp\u003eDimensions matter for safe, balanced cutting and correct clearance beneath the deck. Each UDC blade mirrors the specified diagonal length, width, lift height and cutting edge length used by the OEM part to maintain deck airflow and mulching\/mowing performance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDiagonal length: 16-5\/8\" (measured tip to tip).\u003c\/li\u003e\n  \u003cli\u003eWidth: 2-1\/2\"; air lift height: 1\"; cutting edge length: 4-1\/64\".\u003c\/li\u003e\n  \u003cli\u003eCenter mounting: 5-point star hole designed to fit the listed spindles.\u003c\/li\u003e\n  \u003cli\u003eMade to fit a 48\" deck — ensure blade clearance in your deck housing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these replacement blades compare to OEM parts?\u003c\/h3\u003e\n\u003cp\u003eUDC Parts blades are manufactured to the same functional specifications as the referenced OEM numbers, providing similar cutting geometry, lift profile and mounting compatibility. They are a cost-effective replacement suitable for routine blade refresh to restore cut quality and deck performance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMatches dimensions and mounting pattern of Husqvarna 532173921 and associated numbers.\u003c\/li\u003e\n  \u003cli\u003eOffers the same air-lift shape to maintain proper grass lift and discharge.\u003c\/li\u003e\n  \u003cli\u003eSold in a three-blade pack for balanced installation across a 48\" deck.\u003c\/li\u003e\n  \u003cli\u003eIdeal for replacing worn or damaged blades when sharp cutting edges are needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I install these blades myself and what safety checks are recommended?\u003c\/h3\u003e\n\u003cp\u003eBlade replacement is a straightforward maintenance task for many mechanically inclined owners, but it requires proper safety steps and the correct hardware. Use the factory fasteners and torque specs where provided, and check for blade balance and clearance after installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDisconnect spark plug before working under the deck to prevent accidental starts.\u003c\/li\u003e\n  \u003cli\u003eUse recommended bolts, washers and torque settings from your mower manual.\u003c\/li\u003e\n  \u003cli\u003eBalance blades after sharpening or replacement to reduce vibration and wear.\u003c\/li\u003e\n  \u003cli\u003eInspect deck and spindle for damage; replace worn spindles or hardware as needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this product is for: This UDC Parts 3-pack is intended for owners of 48-inch Husqvarna, Craftsman, Poulan and compatible riding mowers who need a precise, budget-friendly blade replacement. It's suitable for homeowners doing routine maintenance, small-scale landscapers maintaining a fleet of similar machines, and anyone who has confirmed their model or OEM part number matches the cross-reference list. If you’re unsure about fit, check your mower’s exact model\/configuration and compare the center hole and blade length measurements before purchase.\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 Husqvarna YTH2348?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—these replace OEM 532173921 and are listed compatible with YTH2348, but confirm your mower’s full model\/configuration before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are the blades pre-sharpened and ready to install?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Blades come with factory edges suitable for installation; you may want to balance them after mounting for best performance.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"UDC Parts","offers":[{"title":"Default Title","offer_id":56830781915476,"sku":"B0CPM48YPP","price":80.32,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/udc-parts-blade-front-view.jpg?v=1787007750","url":"https:\/\/gardenluxe.co.uk\/products\/udc-parts-lawn-mower-blades-for-husqvarna-532173921-48-3-pack-oem-fit-5-point-star","provider":"Gardenluxe Uk","version":"1.0","type":"link"}