High lift (standard lift) blade replaces John Deere lawn mower blade M170639, (GY20683 set#). Used on some John Deere 42" Riding mower with Accel Deck. X330, X350, X354, X370. Refer to your manual to match by blade OEM part #. Sold individually. Order (2) lawn mower blades for 42" cut. 15-16131, Similar to Sunbelt B1JD5019, Stens 335-840
- John Deere M170639
- John Deere set # GY20683 (but blades sold individually)
- 21-3/8" Length
- 0.8000" Center Hole
- 3" Width
- .160 Thickness
- High lift (standard lift)
- NOT sold as set
Order (2) lawn mower blades for John Deere 42" deck
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My order came quickly I still haven’t had the time to install my new mower blades.