UDC Parts GY20850 42-Inch John Deere Mower Blades – 2 Pack (D105, D130, D110)

Overview

Upgrade your John Deere 42 inch deck with the UDC Parts GY20850 mower blades. This 2-pack replaces multiple OEM numbers and is designed to deliver a precise, balanced cut with dependable durability for routine lawn care. The blades are crafted to provide a straightforward swap that can help maintain consistent performance across seasons without forcing changes to other components.

Designed for versatility, these blades fit a wide range of tractors and decks. The geometry, including a blade length of 21-3/8 inches, width of 2-3/4 inches, a 7 point star center hole, and a 1 inch air lift, supports reliable engagement with standard 42 inch decks. This combination aims to support smooth operation and even cutting across varying mowing conditions.

Key compatibility

• GY20850 family replacements for D105, D110, D130, S100, E130, Z225, LA115, LA105, LA135, S120, S130, E120, E110, E100
• GX22151 compatibility with X300, X304, X310, X500, X520 42 inch Edge Decks
• AM141033 compatibility with S110, X105, X106, X107, X110, X120, X125, X126, X145, X305R, Z235

What you get

• Two 42 inch mower blades with 7 point star center hole and 1 inch air lift
• Cutting edge length 5-7/16 inches and overall blade length 21-3/8 inches
• Compatibility with 42 deck size and optimized cutting geometry for mulching or traditional mowing

Installation and use

Installation is intended to be quick and simple: remove the old blade, align the new blade with the deck, insert the retaining bolt, and tighten securely. Always disconnect power and handle blades with care to ensure a safe, confident replacement.

Design benefits and fit notes

These blades are designed to balance performance with durability, promoting consistent cutting across a range of Deere 42 inch decks. The two‑blade pack provides a practical value for seasonal maintenance and helps keep mowing sessions efficient. Because different mower configurations may vary, please verify the complete model number to ensure a proper fit before installation.

Why choose UDC Parts

UDC Parts focuses on OEM‑friendly blades that keep mowing tasks efficient. The 2 pack offers a cost effective option to maintain blade sharpness across seasons, reducing downtime and store runs while supporting reliable performance with compatible Deere decks.