AOIT MTD Craftsman Lawn Mower Discharge Chute & Mulching Plug Kit (731-07131 / 987-02516A) – Fits TB110 TB130 TB230

Product Overview

Upgrade your 21-inch mower with the AOIT MTD Craftsman discharge chute and mulching plug kit. This package serves as a direct replacement for the side discharge chute (part numbers 731-07131 or 731-7131) and the hinged mulching plug (987-02516A). It enables easy switching between side discharge and mulching to match different yard conditions. The kit bundles essential components for a straightforward maintenance or replacement, so you can quickly restore the mower’s original versatility.

Designed to fit a broad range of models, the kit supports many MTD, Craftsman, Cub Cadet, Yard Man, Troy-Bilt, and related 21-inch mowers. For the best result, please verify the exact compatibility by checking the model codes listed in the description before purchasing.

Key Benefits

• Direct side discharge helps direct clippings away from the cutting path to reduce buildup and improve mowing visibility.
• Hinged mulching plug shreds grass into smaller pieces, offering a put-take option that can help spread finer clippings back onto the lawn.
• Broad compatibility with a wide range of 21-inch walk-behind models from MTD, Craftsman, Cub Cadet, Yard Man, and Troy-Bilt; verify fit using the listed codes.
• Simple, quick installation that typically takes only a few minutes once the mulching cover and chute hooks are aligned.

What’s Included

• 1x side discharge chute
• 1x hinged mulching plug assembly
• 1x torsion spring
• 1x hinge pin

Compatibility at a Glance

• Designed to fit a wide range of common 21-inch walk-behind models from MTD, Craftsman, Cub Cadet, Yard Man, and Troy-Bilt. Please review the exact model codes in the description to confirm a secure fit.

Installation Tips

To install, lift the mulching plug cover, align the chute hooks under the mulching cover bar, and let the cover hold the chute in place. The included hardware supports straightforward mounting, typically without special tools. Note that thread is not included in this kit; if you need a threaded variant, reuse your original threaded components.

Real-world Use Scenarios

• Switch to side discharge after sweeping or mowing in damp conditions to minimize grass buildup along the deck.
• Use the mulching plug on drier days to break clippings into finer pieces and thatch less noticeable residue on the lawn.
• When transitioning between yard layouts, the kit provides flexibility without needing a full mower replacement.