Overview

These Stens 21 inch Replacement Blades are precision balanced and heat treated for durability, excellent on Grasshopper Mowers.

21" Blades for Grasshopper

Toothed Blade
USD $27.18
  • SKU: 302-248
Blade
USD $18.11
  • SKU: 320-006
Hi-Lift Notched Blade
USD $18.78
  • SKU: 320-018
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Prices are in US Dollars.

Overview

These Stens 21 inch Replacement Blades are precision balanced and heat treated for durability, excellent on Grasshopper Mowers.

Product Description

Rittenhouse carries the Stens Line of replacement blades for your Grasshopper Mowers. These blades are precision balanced and heat treated for durability.

We carry different types of blades to choose from including toothed blades, mulching blades, and rolled air-lift blades.

Toothed and mulching blades achieve smaller clippings for quick decomposition and a more manicured look.

A rolled air-lift blade lifts grass blades up for a cleaner cut and propels clippings up to be sucked into a mower bag easily.

To measure your lawnmower blade:
1) Measure the blade diagonally from cutting tip to cutting tip. For mulching blades measure on the back to ensure straight lines.
2) Measure the width at the widest part of the blade
3) Measure the center hole
4) Measure the center to center distance between the outer holes
5) Refer to our chart below to choose your blade accordingly

Part # Replaces Grasshopper OEM Blade Type Length Center
Hole
Width Thickness Fits/Notes
302-248 320237 / 320238 /
320243 / 320244 /
320247
Toothed
Silver Streak
21" 1/2" 2 1/2" 0.250" Requires 3 for 61" deck
320-006 320242 / 320243 Medium-Lift 21" 1/2" 2 1/2" 0.250" Requires 3 for 61" deck
320-018 320243 / 320245 /
320245B
Notched
Hi-Lift
21" 1/2" 2 1/2" 0.250" Fits Duramax 9861 and 3461
Requires 3 for 61" deck

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