987-02516A Hinged Mulching Plug Assembly Compatible With Troy Bilt, Cub Cadet, Yard Machines Models Replacement Hinged Mulching Plug TB110 TB130 TB230 987-02516 687-0251 - With Screw & Screw Washers

What It Is

This is a hinged mulching plug assembly that blocks the side-discharge chute on compatible Troy-Bilt, Cub Cadet, and Yard Machines walk-behind mowers. It forces grass clippings back under the deck for finer mulching, eliminating the need to bag or rake.

Fitment & Compatibility

Before buying, confirm your mower model and deck size. This plug fits Troy-Bilt TB110, TB130, TB230 and similar Cub Cadet/Yard Machines models with 22-inch steel decks. It replaces OEM part numbers 987-02516 and 687-0251. Measure the chute opening—it must be roughly 4.5 x 2.5 inches. If your mower has a fixed (non-hinged) plug or a different chute shape, this won’t work. Always check your owner’s manual or existing part number. Aftermarket version includes the mounting screw and washer.

Key Things to Know

• Build quality: Durable plastic with a metal hinge pin that can rust if left wet—dry it after use.
• Installation: Takes 5 minutes. Remove the old plug or cover, align the hinge, and secure with the included screw/washer. No tools beyond a screwdriver needed.
• Common gotcha: The hinge may be stiff initially; work it loose by hand before mounting. If the chute is cracked or deformed, the plug won’t seal properly.
• Performance: Works best on dry grass—wet clippings can clog the deck. Clean the plug after each use to prevent buildup.

Should You Buy It

This is a solid, low-cost upgrade if your mower came without a mulching plug or the original is broken. It’s especially good for homeowners with standard Troy-Bilt/Cub Cadet 22-inch mowers who want cleaner mulching without buying a full kit. If your deck is larger or your model isn’t listed, look for a dedicated kit.