John Deere Original Equipment Mower Blade Kit - AM141033

What It Is

This is a set of three OEM replacement blades (AM141033) designed for select John Deere 42-inch mower decks. It’s a direct factory replacement for cutting grass on residential lawns, not for mulching or heavy-duty commercial use.

Fitment & Compatibility

Before buying, confirm three things:

1. Deck size: Works only with John Deere 42-inch stamped steel decks (e.g., 100, 300, X300, D100, D110, D130, LA series, S240). Measure your deck width—42 inches is common, but not universal.
2. Model number: Check your tractor model against John Deere’s official list for AM141033. Common compatible models include D105, D125, D140, X304, X310, LA115, and LA145. Incompatible with 38-inch or 48-inch decks.
3. OEM vs aftermarket: This is genuine John Deere, so fit and balance are guaranteed. Aftermarket blades may differ in thickness, hole spacing (center hole diameter is 1-1/8 inch), or lift angle. Measure your current blade length (21 inches) and thickness (0.200 inch) to verify.

Key Things to Buy

• Quality: Factory-tested for balance and edge retention. Thicker than many aftermarket blades, so they last longer under regular use.
• Installation: Moderate difficulty—requires a socket wrench and torque wrench (recommended 50-60 ft-lbs). Use thread locker on bolts. Always disconnect spark plug before working.
• Gotcha: You must replace all three blades at once for even cutting. Don’t mix old and new blades. Also, these are not for mulching kits—they’re standard lift blades. If you need mulching, look for AM141033 with mulch plug or separate mulching blades.
• Common issue: Blades may arrive with a protective coating. Wipe it off with a rag before install—it can cause uneven cutting if left on.

Should You Buy It

If you own a compatible John Deere 42-inch tractor and want zero-hassle fitment with factory durability, this kit is the right call. It’s priced fairly for OEM quality and widely reviewed as reliable. Skip it if you need mulching blades or have a different deck size.