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Product Details
✓Our toothed M170642 mulching blades compatible with John De ere riding mowers and zero-turn mower: Z335E, Z315E, Z335M, Z345M, Z320M, Z320R, Z345R, X330, X350, X354, X370, X380, S220, S240 lawn mowers. Please check the model number and applicable brand when purchasing.
✓The 42 inch lawn mower blades also replace for John De ere UC22008, M170642, M170639, GY20683.
✓Blades Specification Length: 21-2/5 Inches, Width: 2-1/2 inches, Thickness: 0.197 Inches, Center Hole: 51/64 inches. Including 2 packs of blades.
✓The cutting machine can efficiently and smoothly cut lawns of any densities by the shape of the blade cutting edge. It can also reduce splash and loudness. What's more, sharpen blades regularly to boost cutting efficiency.
✓Tips on blade maintenance: regularly check blade balance. Unbalanced ones can cause vibration, shortening blade & engine lifespan. After long use, let blades cool naturally to avoid overheating - related damage.