42 Inch Mower Deck Rebuild Kit Fit for John Deere L110 L111 L118 L120 42 inch Tractor Parts 42 inch Tractor Parts Spindle GY20050 GY20785 Blade GX20249 Pulley GY20067 GX20367 GY22082 Belt GX20072

What It Is

This is a 42-inch mower deck rebuild kit designed for select John Deere 100-series tractors. It includes all the wear items needed to refresh a deck: two spindle assemblies (GY20050, GY20785), two blades (GX20249), a pulley (GY20067, GX20367, GY22082), and a belt (GX20072). It’s meant for homeowners doing a full deck overhaul to restore cutting performance and reduce vibration.

Fitment & Compatibility

Before buying, confirm your deck is a genuine 42-inch Edge or Edge II model (not a 38-inch or 48-inch). This kit fits John Deere L110, L111, L118, and L120 models, but verify your specific year—older L-series decks may use different spindles or belt routing. Measure your existing belt length (should match GX20072 at about 100.5 inches). Check that your blade bolt pattern is a standard 5-point star and that spindle mounting bolt spacing is 3.5 inches on center. This is an aftermarket kit, not OEM John Deere, so hardware may differ slightly (e.g., bolts might be metric vs. SAE).

Key Things to Know

• Quality varies: At $120, this is budget-friendly, but some users report spindles lasting 1-2 seasons vs. 3-4 for OEM. Inspect bearings for smooth rotation before install.
• Installation is moderate: You’ll need a jack, socket set, and torque wrench. Expect 2-3 hours for a first-timer. Watch for rusted bolts—soak with penetrating oil.
• Common gotcha: The belt may be slightly tighter or looser than OEM. Adjust deck tensioner accordingly, and double-check routing against your deck diagram.
• Blade fit: Blades are stamped steel, not hardened. They’ll dull faster than premium replacements, so keep a sharpening schedule.

Should You Buy It

This kit is a solid value if your deck is worn out and you want a one-box fix without hunting individual parts. It’s best for DIYers on a budget who don’t mind replacing spindles more often. If you need long-term durability or have a commercial-grade deck, spend more on OEM components.