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Lawn mower grass deflector (or grass chute).

Deflector.clipping.21.push.blk

Rear skirt

Chute.discharge.base

Skirt, rear, 21, push

Lower chute

Chute-discharge, side

Chute-upper w/lbl

Mulching plug assembly

Skirt-rear deflector

Rear Mulch Door

Mulching plug

Shield-trailing

Plug-discharge, rear

Deflector
Lawn Boy deflector and chute parts work together as your mower's safety and performance system—they manage grass discharge direction, control airflow inside the deck, and protect the operator from ejected debris. Genuine OEM parts are molded to precise angles and tolerances that match your blade system's cutting height and engine power. When these parts wear, crack, or warp, your mower's cutting quality suffers and safety is compromised.
Invest in quality replacements that restore safe, efficient grass management. Find exact-fit Lawn Boy deflector and chute parts to keep your mower performing like new.
First, ensure the engine is cool and the blade is disengaged. Locate the deflector panel under or beside the deck—it's typically secured with 2–3 bolts or clips. Remove fasteners carefully, slide the old deflector away, and align the new OEM part with the mounting points. Tighten all fasteners firmly to prevent vibration and ensure proper deflection angle during operation.
A bent or missing chute allows deck pressure to escape unevenly, which reduces cutting performance and creates uncontrolled grass ejection. The blade will work harder against inconsistent airflow, leading to fatigue and potential early failure. Missing chutes also pose a safety hazard by allowing grass and debris to spray unpredictably near the operator.
No—each Lawn Boy model has a unique deck design and blade configuration that requires matching deflector and chute geometry. Installing the wrong part will degrade cutting performance and may not fit securely. Always verify your model number on the frame decal or original documentation and order OEM parts designed for your specific mower to help support proper fit and function.
Operating without a mulch plug disrupts the balanced airflow your Lawn Boy's deck relies on for consistent cutting and discharge. The blade will not cut evenly, and grass will clump or spray erratically. Always replace missing mulch plugs immediately—they're inexpensive OEM parts that restore the designed performance of your entire cutting system.


Improve your Lawn Boy mower's performance with genuine OEM deflector and chute parts from Repair Clinic. These parts are important for safely directing grass clippings and debris away from the operator, ensuring efficient mowing. Easily find the exact part with our model number lookup tool, and benefit from same-day shipping, No-Hassle 365-Day Returns, and our Price Match Guarantee. For installation guidance, visit our Lawn Mower Repair Help page. Also, find a wide range of Lawn Mower Deflector & Chute Parts for more options.
On Lawn Boy lawn mowers, look for the model number on a label near the blade deck, around the engine housing, or along the back of the deck. Clean away grass or dirt if the label is difficult to read, and copy the model number exactly, including letters, numbers, and any separators. It may appear beside the serial number, so be sure to select the model identifier rather than the serial information. Punch it into the search bar to sort the catalog down to your model's parts. This filters the full Lawn Boy lawn mower parts selection, not just deflector and chute parts, so you can match parts across the entire unit. That means fewer wrong orders and a faster repair.

Fixing your Lawn Boy Lawn Mower starts with the right diagnostic information. Repair Clinic's online library includes common-symptom articles, part testing walkthroughs, and repair videos that help you pinpoint what needs replacing. Once identified, the model number lookup confirms the correct OEM part, and the matching installation video guides you through the swap.

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