John Deere 42" Mower Blades GY20850 - Compatible with D105, D130, S100-S110, S240, X300, E100-E110, LA135 - Replaces AM1

Special Features

Precision Engineered Specifications

• Dimensions: 21-3/8" (diagonal length) × 2-3/4" (width) × 0.164" (thickness)
• Star Center Hole: Features a 7-point star design with 1" air lift capability
• Cutting Edge Length: 5-7/16" (optimized for clean cuts)
• Application: Specifically designed for 42" cutting decks

Direct Replacement

• John Deere Part Numbers: Direct substitute for GX22151, GY20850, AM131033 series, 50-3231, UC21583
• Seamless Compatibility: Fits factory specifications, ensuring seamless connection and optimal performance

Extensive Model Compatibility

• Fits John Deere 100-300 Series: D100-D130, E100-E130, LA100-LA135, S100-S240
• X-Series Compatibility: Works with X105-X520
• Additional Models: Compatible with select Z-Series models
• Model Verification: Ensure your specific model is compatible before purchase

Performance Features

• High-Carbon Steel: Laser-cut for exceptional durability
• Factory Pre-Sharpened Edges: Protective coating for safe handling
• Self-Sharpening: Coating naturally wears off during initial operation
• Performance: Engineered for superior mulching and discharge performance

Professional-Grade Construction

• Precision-Balanced: Designed for vibration-free operation
• Heat-Treated: Ensures extended edge retention
• Corrosion-Resistant Finish: Prolongs blade life
• Exact OEM Tolerance: Manufactured to meet original equipment standards

Included in the Package

• 2-Pack 42" Mower Blades