TENGMUJX 48-Inch Deck Mower Toothed Blade for John Deere 145 155C LA Series – Replaces OEM GY20852 GX21786

Premium replacement blade for John Deere 48-inch decks

Upgrade your mowing setup with the TENGMUJX 48-Inch Deck Mower Toothed Blade, a purpose-built replacement designed to align with factory geometry while offering durable, long-lasting performance. This blade replaces OEM numbers GY20852, GX21786, GX21784, AM137757, and AM141035, providing a trusted fit for a wide range of John Deere lawn tractors. The toothed edge is crafted to handle variable grass and uneven patches, helping you achieve a consistent cut with minimal downtime.

Designed for broad compatibility, this blade fits classic and modern models in the 100 Series family, including 145, 155C, LA130, LA140, LA145, LA155, and LA165. It also supports a wider set, including E170, E160, E140, E150, X165, X140, X166, D140, D150, D155, and D160 tractors. If you manage multiple mowers or a small fleet, this blade can simplify your replacement inventory by covering common models.

Key specifications at a glance include length 17 inches, width 2 3/4 inches, and thickness 0.157 inches. The center hole uses a 7-point star pattern for secure mounting on compatible spindles, and the blade is designed for a 48-inch deck. These details are intended to preserve balance and smooth operation, contributing to a cleaner, more efficient mowing experience.

Why you might consider this blade

• Durable construction using quality materials for reliable, long-lasting performance during regular mowing tasks.
• Easy installation with a straightforward swap for select John Deere 48-inch decks, reducing downtime.
• Replaces multiple OEM part numbers to help organize spare parts and simplify stocking.
• Broad compatibility with a wide range of tractors for flexible use across sites or teams.

In real-world use, you may notice improved handling on variable terrain, better clipping consistency on dense patches, and fewer interruptions for blade service. While designed for dependable operation, results can vary with cutting conditions and regular mower maintenance. A one-year warranty provides added peace of mind and access to responsive customer support if needed.

Quality, support, and a straightforward upgrade

• High-quality materials and solid construction to withstand routine mowing tasks.
• Ready-to-install design that supports quick field replacements during busy seasons.
• One-year warranty and friendly customer service for guidance after purchase.

Choosing the right blade is one step toward a smoother mowing routine. The TENGMUJX blade is positioned as a capable replacement option that respects your deck specifications while offering the potential for more efficient operation and less downtime between tasks.