John Deere OEM Shield 107S D100 D105 D110 D120 D125 D130 E100 LA105 LA115 LA125 LA135 X105 X110 X120 X125 X145 GY21773

What It Is

The John Deere OEM Shield 107S (part GY21773) is a replacement debris shield that mounts to the rear of the mower deck to deflect grass clippings, rocks, and other debris away from the operator. It’s designed for select 100, E100, LA, and X100-series John Deere lawn tractors with 42-inch or 48-inch decks.

Fitment & Compatibility

Before buying, confirm your tractor model and deck size. This shield fits John Deere models: 107S, D100, D105, D110, D120, D125, D130, E100, LA105, LA115, LA125, LA135, X105, X110, X120, X125, X145. It’s designed for 42-inch and 48-inch Edge, Econ, or standard decks (check your deck’s mounting holes – two bolts on the rear lip). This is an OEM part, so it matches factory specs exactly. If your deck has a different shield or a mulching plug, measure the mounting hole spacing (approx. 6.5 inches center-to-center) to verify fit. Avoid generic aftermarket shields; they often require drilling or bending.

Key Things to Know

• Quality & durability: Made from impact-resistant plastic with steel mounting brackets. Holds up well against sun and debris, but can crack if hit hard (e.g., against a tree root).
• Installation difficulty: Easy – under 10 minutes. Requires two 3/8-inch bolts (usually included) and a socket wrench. No special tools or modifications needed.
• Common gotcha: The shield may rub against the deck’s rear belt cover if not aligned properly. Loosen bolts, adjust position, then retighten. Also, if your deck has a mulching plug, you’ll need to remove it first – the shield replaces it.
• Fitment note: Not compatible with 54-inch decks or older 100-series models (e.g., L100, L110, L120) without checking deck mounting holes – those use a different shield (GY20779).

Should You Buy It

If you’re replacing a broken or missing debris shield on a compatible John Deere lawn tractor with a 42- or 48-inch deck, this OEM part is the best choice – it bolts on without fuss, matches factory quality, and costs about the same as aftermarket options. Skip it if your deck is a different size or you have an older model not listed.