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UDC Parts GY20850 GX22151 Gator Mulching Blades for John Deere 42 Inch Deck, 2 Pack

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Product details

Management number 230725111 Release Date 2026/06/18 List Price US$11.48 Model Number 230725111
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UDC Parts GY20850 GX22151 Gator Mulching Blades are a direct bolt-on replacement for the John Deere 42 inch deck. No modifications, no adapters — remove the old blade, secure the new one, and your mower is ready to cut. Replaces OEM Part Numbers: Primary: GY20850, GX22151, AM141033 Also Replaces: UC21583, AM137333, AM141034, AM141031, AM141032, AM137327, AM137329, M154062, M145970, M149422 Compatible Models by OEM Part: GY20850 — John Deere 42 Inch: D130, D110, D105, S100, S130, S120, E100, E110, E120, E130, Z225, LA105, LA115, LA135 Lawn Tractors. Also: SST15 (42C Deck only), SST16 (42C Deck only), LT160 (42C Deck only), LT180 (42C Deck only), S240 (PC12357, 42C Deck, up to serial 880000) GX22151 — John Deere 42 Inch: D100, D120, D125, LA100, LA110, LA120, LA125, 102, 105, 115, 125, 135 Lawn Tractors. Also: X300 (42" X Edge Deck, serial 050001 and up), X304 (42" X Edge Deck, serial 050001 and up), X310 (42" Edge Deck), X500 (42" Edge Deck), X520 (42" Edge Deck) AM141033 — John Deere 42 Inch: S110, X105, X106, X107, X110, X120, X125, X126, X145, X305R, Z235 Lawn Tractors Blade Dimensions: Length 21-3/8 inch, Width 2-3/4 inch, Center Hole 7-Point Star, Air Lift 1 inch, Cutting Edge Length 5-7/16 inch. Deck size: 42 inch only. Blade length is measured diagonally from one end to the other. Important: Parts may differ between different configurations of the same mower model. Please confirm your complete model number and deck serial number before ordering to ensure a proper fit. Installation: Blades are designed for quick, hassle-free installation. Remove the old blade, secure the new one, and your mower is ready for clean, efficient cutting.

  • Replaces OEM Part Numbers GY20850, GX22151, AM141033, UC21583, AM137333, AM141034, AM141031, AM141032, AM137327, AM137329, M154062, M145970, M149422. Package includes 2 blades — complete set for full 42 inch deck coverage.
  • Blade Dimensions: Length 21-3/8 inch, Width 2-3/4 inch, Center Hole 7-Point Star, Air Lift 1 inch, Cutting Edge Length 5-7/16 inch, Deck Size 42 inch only. Blade length is measured diagonally from one end to the other.
  • Gator mulching toothed design chops grass clippings into fine particles that decompose quickly and return nutrients to your lawn. Reduces bagging and performs well in standard mowing conditions on John Deere 42 inch decks.
  • Made from hardened steel with powder-coated finish for durability and corrosion resistance. Pre-sharpened from the factory and ready to use from the first cut.
  • Quick hassle-free installation — blades fit directly into place using your existing hardware. No modifications, no adapters, no special tools required. Compatible with John Deere 42 inch deck configurations only.
Weight 1.5 lb
Rec. use Lawn Mowers, Riding Lawn Mowers
Brand UDC Parts

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