21 Inch Mulching 😅🔧 Blades That Help Keep Mowing Feeling… Less Like Chores
Honestly, mower blades take a beating. If your cut is looking a little uneven or your mulching just isn’t doing what it used to, swapping in the right replacement set can be a pretty practical “get back to normal” move.
This 2-piece set of 21 inch mulching mower blades is designed as a replacement for compatible Toro Super Recycler, Exmark, and Lawn-Boy 21 inch mowers, using the listed OEM part numbers to help you match up correctly.
Key Features
- Replaces OEM numbers: 133-8182-03, 89914P, 108-0954-03, 108-3762-03, 91-4106, 93-4106-03, 93-4106-03P.
- Also listed as replacements for: 116-4500, 1164500S, 1350413S, 108-3762-03P, 108-3762-S, 108-0954.
- Mulching blade type: toothed mulching style.
- Compatibility: mulching blades suitable for Toro Super Recycler, Exmark, and Lawn-Boy 21 inch mowers.
- Blade length: 20 7/8 (20.875) inch.
- Blade width: 2 1/4 (2.244) inch.
- Thickness: 0.138 inch.
- Center hole: round 7/16 (0.437) inch.
Exmark
Lawn-Boy 21 inch
Toothed Mulching
Why This Product Exists
This is basically for people who want their mower to do what it’s supposed to do—mulch and cut cleanly—without turning blade replacement into an all-day mystery.
Best Fit For
- Homeowners maintaining a compatible 21 inch mulching mower setup.
- Anyone replacing worn or damaged blades and wanting a set designed for the listed Toro Super Recycler, Exmark, and Lawn-Boy applications.
- People who prefer to match parts by OEM numbers before installing anything new.
If you’re unsure, double-check your existing blade numbers and measurements against what’s listed here.
Final Verdict
Best viewed as: a practical 2-pack replacement option for compatible 21 inch mulching mowers, built around the OEM part numbers and blade specs provided.
If your current blades are past their prime, swapping to the correct replacement set can help you get back to a more consistent mulching cut—because nobody wants their weekend to turn into a blade detective novel.
Required Disclaimers
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AI Image Disclaimer: This post contains no images and does not use or reference any product photos.
AI Content Disclaimer: Some content may be AI-assisted. Product details are based on the information provided and are written for general informational purposes.
Tool Safety Disclaimer: Lawn equipment parts should be installed only by someone comfortable with basic mechanical work. Always follow your mower’s manual, use proper safety gear, and disconnect power (e.g., remove spark plug wire/battery as applicable) before servicing blades.
Electrical/Battery Disclaimer: If your mower uses a battery or electrical start, disconnect the power source before attempting any blade replacement.
Note: Compatibility is based on the OEM numbers and mower types listed above. Please verify fitment with your existing blade part number(s) and mower manual.