KANXAJJY 2PCS GY20850 Mulching Blades for John Deere 42-inch Deck – Fits D110 to X300

Boost Your John Deere 42-Inch Deck Mower with Kanxajjy GY20850 Mulching Blades

Upgrade the mowing experience with this 2-piece Kanxajjjy mulching blade set designed for 42-inch John Deere decks. These blades are built to replace OEM parts like GX22151, GY20850, AM137328, AM141033, AM137333, AM141031, UC21583, giving you a reliable option for regular lawn care. The blades’ design emphasizes consistent cutting performance and cleaner clippings, helping you maintain a well-groomed lawn with less effort. While individual results vary, many users notice a smoother mowing feel and more uniform clippings across the cutting area.

Key specs and design highlights

• Blade length: 21-3/8"; width: 2-3/4"; thickness: 1/5"
• Center hole: 7-Point Star for a secure, wobble-free fit
• Deck compatibility: 42" John Deere mowers in the 102–135, LA100–LA135, S240, X300 and related lines
• Material and finish: high-grade steel with rust-resistant powder coating
• Package includes: 2 blades per pack

What makes them stand out

• Quality steel, durable coating: The blades are engineered for longevity with a rust-resistant finish to help hold up through routine mowing.
• Precise fit and balance: The 7-point star center hole supports steady, even rotation on compatible decks.
• Bold compatibility: Designed to work with a wide range of John Deere 42" deck models, including the LA and X300 families.
• Two-blade value: A ready-to-install pair helps minimize downtime and keeps you mowing longer between swaps.

What you get and how it helps

• Two durable mulching blades ready to replace worn blades and help maintain turf health by recycling clippings.
• Consistent cutting edge for a cleaner, more even lawn appearance over time.
• Rust resistance from the powder-coated finish supports long-term use in varied weather.
• Clear compatibility note Always verify model and center-hole shape to ensure a proper fit.

Installation at a glance

• Requires a wrench; ensure the mower is off and cooled before starting.
• Disconnect the spark plug, raise the deck, and remove the old blade with care.
• Install the new blade so the center hole aligns, then reassemble and test on level ground.
• Use the correct torque on the flange nut to secure the blade firmly.

Note: Please check your original blade’s model and center hole shape before purchasing to confirm a proper match. This set is designed to replace multiple John Deere OEM parts and fit a broad selection of 42-inch decks.