DECKMAN 731-07486 Lawn Mower Side Discharge Chute — 21-Inch Replacement for Craftsman, Columbia, Huskee, Troy-Bilt, Yard-Man & MTD TB-Series

Overview

Keep your 21-inch push mower working smoothly with this DECKMAN replacement side discharge chute. Designed as a straightforward 731-07486 replacement part, it helps maintain a clean discharge path and consistent clipping direction across your lawn sessions. The chute features precise dimensions to support a reliable fit and consistent grass ejection, making it a practical option for homeowners who rely on regular maintenance and quick part swaps.

Key measurements you may reference when you compare parts include a hypotenuse length of 11 inches and a height of 3.4 inches. These details reflect the intent of an authentic replacement that aligns with common deck openings and discharge paths found on many 21-inch mowers.

What it does and how it helps

• Replaces a worn discharge chute to restore the natural grass ejection channel
• Redirects clippings away from the deck to help keep the mowing surface clear
• Simple, tool-light installation that fits standard 21-inch handheld push mowers
• Lightweight design intended for easy handling during maintenance intervals

Compatibility and fit

The DECKMAN chute is built to work with a broad family of machines from several well-known brands. It is compatible with Craftsman, Columbia, Huskee, Troy-Bilt, Yard-Man, and MTD offerings, including a wide range of 11A and 12A series machines, as well as various TB models. This broad coverage makes it a convenient option when you need a replacement that fits multiple mowers around the same era.

• Representative model families include 11A-, 12A-, TB-series variants
• Examples in the mix include popular codes such as 11A-A23N011, 11A-A23O211, 12AVB22J766, 24738911, 24737116, among others

Specifications and installation notes

• Part number: 731-07486
• Length of the chute’s hypotenuse: 11 inches; height: 3.4 inches
• Includes the replacement portion only; screws are not included—reuse your existing screws from the old part

Before installing, double-check compatibility with your mower’s serial number and deck size to avoid any fit issues. When in doubt, compare the new chute’s dimensions to the current discharge path and ensure there is adequate clearance for grass clippings during operation. With proper verification, this DECKMAN replacement can help restore the intended discharge flow and keep maintenance simple over time.

All in all, this replacement chute offers a practical option for users seeking a broad-coverage fit, straightforward installation, and a maintenance-friendly replacement path for 21-inch walk-behind mowers.