OEM 42'' Deck Mulch Cover John Deere 102 L 105 110 111 118 LA 115 X 110 120 D 125 S 240 GY00115

What It Is

This is an OEM mulch cover designed to convert your John Deere 42-inch side-discharge mower deck into a mulching system. It replaces the discharge chute, trapping grass clippings inside the deck for finer cutting and nutrient recycling.

Fitment & Compatibility

Before buying, confirm your deck is exactly 42 inches—measure blade tip to blade tip. This cover fits John Deere models: 102, L 105, 110, 111, 118, LA 115, X 110, 120 D, 125 S, 240, and GY00115. It is an OEM John Deere part (not aftermarket), so it matches factory specs. Check your deck’s mounting holes: the cover uses two bolts (typically 5/16” or 3/8”) that align with existing holes on the discharge opening. If your deck has a different design (e.g., 48-inch or 54-inch), this will not fit.

Key Things to Know

• Quality: OEM means exact-fit plastic with reinforced edges—no warping or cracking under normal use. Holds up to UV and impacts better than cheap knockoffs.
• Installation difficulty: Easy—just remove the side-discharge chute (usually two bolts), align the cover, and reinstall bolts. No tools beyond a socket wrench. Takes 5–10 minutes.
• Common gotchas: If your deck has a bagger attachment, you must remove it first. The cover only works with the side-discharge opening—do not use with a rear-discharge deck. Also, it may slightly reduce grass collection capacity if you switch between modes often.
• Performance: Expect finer clippings and less cleanup, but only if you mow regularly (don’t let grass get too tall) and keep blades sharp. Wet grass will still clump.

Should You Buy It

If you own one of the listed John Deere 42-inch deck models and want a simple, no-mess way to mulch without buying a separate mulching blade kit, this is a solid, well-reviewed choice. It’s especially good for homeowners with small to medium lawns who mow weekly—just install it and forget it.