JSXDNWYJ Replacement Mower Blades for John Deere 54" Deck — 18-15/16" 13/16" Hole, 0.250" Thick

JSXDNWYJ replacement mower blades (M143520 / M145516 / M152726 / UC22010) are precision-cut 18-15/16" blades designed to restore clean, consistent cutting on John Deere 54" decks.

If your John Deere Ztrak or X-series zero-turn with a 54" deck is producing ragged cuts, scalping, or uneven grass lines, worn or damaged blades are often the culprit. These JSXDNWYJ blades are engineered to match OEM fitment for M143520 and its equivalent numbers, giving a straightforward way to renew cutting performance without replacing expensive deck assemblies.

Will these blades fit my John Deere 54" mower?

Yes — these blades replace John Deere part numbers M143520, M145516, M152726 and UC22010 and are made for 54" deck Ztrak and X-series models. Confirm your mower model and check the deck width and center hole diameter before ordering.

• Compatible models: z375r, z515e, z530m, z445, z425, z525e, z345r
• Also fits: x570, x590, x500, x530, z435, z330m (54" deck)
• Center hole size: 13/16" to match spindle bolts
• Blade dimensions: 18-15/16" L x 2.75" W x 0.250" thick

How do these blades improve my mowing results?

Sharp, correctly balanced blades cut grass cleanly rather than tearing it, producing a healthier-looking lawn and reducing stress on the turf. Properly fitting replacements also preserve deck clearance and prevent vibration that causes uneven cutting.

• Restores sharp cutting edge for cleaner clippings
• Maintains deck level for uniform height across the swath
• Reduces vibration and wear on spindles and belts
• Durable 0.250" thickness resists premature bending

What are the exact specifications and materials?

These JSXDNWYJ blades are manufactured to match the OEM dimensions so they install without modification. The listed measurements and center hole size ensure proper seating on standard 54" John Deere spindles and secure fastening with factory hardware.

• Length: 18-15/16" (measured tip-to-tip)
• Width: 2.75"; Thickness: 0.250" for strength and stability
• Center hole: 13/16" to align with common spindle bolts
• Finish and edge: precision ground for immediate cutting performance

What should I know about installation and warranty?

Installation follows the same steps as OEM blades: support the deck, remove the spindle nut, replace the blade ensuring proper orientation, torque to factory specs, and check balance. JSXDNWYJ provides after-sales support for product questions or claims but excludes damage from improper installation or misuse.

• Supports: responses within 24 hours via Amazon messages or email
• Keep order details and avoid damage during installation
• Warranty does not cover improper use, installation errors, or normal wear
• Professional installation recommended if unsure about procedures

Who is this for? Homeowners and professional landscapers who operate John Deere 54" zero-turn or garden tractors and need reliable, OEM-compatible replacement blades. If you own a model listed (z375r, z515e, x570, etc.) and want to restore crisp, uniform cutting without custom fitting, these JSXDNWYJ blades offer a direct, cost-effective solution. Choose these blades when you want correct dimensions, solid thickness, and responsive customer support to keep your mower cutting like new.