AM130172 Mower Blade Kit with Bolts Compatible with John Deere LT133 LT155 LT160 LT166 LT170 LT180 GX355 SST16 X324 Lawn Mower 42" Deck Lawn Tractor (2 Pack)

What It Is

This AM130172 blade kit includes two 42-inch deck replacement blades and bolts, designed for select John Deere lawn tractors. It’s for mulching or standard cutting on residential mowing jobs.

Fitment & Compatibility

Before buying, confirm your mower deck is exactly 42 inches (measured blade tip to tip). This kit fits John Deere models: LT133, LT155, LT160, LT166, LT170, LT180, GX355, SST16, and X324. It’s an aftermarket replacement for OEM part AM130172. Check your current blade length (should be ~21 inches per blade), center hole diameter (usually 1 inch), and bolt size (typically 5/16-18 x 1-1/4 inch). If your deck is larger or smaller, or your model isn’t listed, it won’t fit. Measure your old blade’s thickness (0.25 inch is common) to ensure the new one matches.

Key Things to Know

• Quality: Aftermarket blades may be slightly thinner or less balanced than OEM. Inspect for warping or burrs before installation.
• Installation: Easy with a socket wrench. Torque bolts to 30-50 ft-lbs. Use the included bolts for proper fit—don’t reuse old ones.
• Gotcha: The 4.2-star rating from only 23 reviews means limited long-term feedback. Check for rust or packaging damage on arrival.
• Maintenance: Sharpen blades every 10-15 hours of use for clean cuts. Replace if bent or chipped.

Should You Buy It

If you need a budget-friendly, direct-fit replacement for a 42-inch John Deere deck listed above and don’t require OEM durability, this kit works. It’s good for light to moderate residential use, but skip it if you mow heavy grass often or want premium steel.