GY20850 Mower Blades for John Deere 42 Inch D105 D130 S100 S110 S240 X300 E100 E110 LA135 Replaces OEM no. AM141033 GX22151 AM131033 AM137333 / Gator Mulching Blades 2 Pack is up for auction in Patio, Lawn & Garden. The current bid is $2.00, 95% below the $39.79 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.