21" Blades for Lesco

These Stens 21 inch Replacement Blades are for Lesco Mowers.

302-621 Toothed Blade.

302-621 Toothed Blade.

  • Toothed Blade
    (302-621)
    CAD $29.63
  • Hi-Lift Toothed Blade
    (302-821)
    CAD $38.64
  • Blade
    (320-006)
    CAD $23.20
  • Blade
    (330-845)
    CAD $28.84
  • Blade
    (340-117)
    CAD $25.99
    • Buy 2 for CAD $23.40 each and save 10%
    • Buy 3 for CAD $22.10 each and save 15%
  • Hi Lift Blade
    (345-173)
    CAD $27.64
  • Toro Replacement Blade 21"
    (345-397)
    CAD $29.24
  • Medium-Lift Blade
    (345-421)
    CAD $26.58

Details

These quality blades are excellent mower replacement blades for Lesco Mowers.

They 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.

The Silver Streak Hi-Lift Toothed blade are made 25% thicker than most other toothed blades and has 40% higher lift. They have more surface areas to cut grass and leaves and have more sharpening area resulting in longer blade life.

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 

 

Item # Replaces Lesco # Blade Type Length Center
Hole
Width Thickness Fits/Notes
302-621 050170 / 1520842 / 50170 / 50256 / 5070 / 51532 Toothed
Silver Streak
21" 5/8" 2 1/2" 0.203" Requires 3 for 61" decks
302-821 050170 / 50256 / 51532 Hi Lift
Toothed
Silver Streak
21" 5/8" 3" 0.250" Requires 3 for 61" decks
320-006 050124 Medium-Lift 21" 1/2" 2 1/2" 0.250" Requires 3 for 61" decks
330-845 050068 Hi-Lift 21" 5/8" 3" 0.120"
340-117 050170 / 50170 / 50256 / 51532 Notched
Air-Lift
21" 5/8" 2 1/2" 0.203" Requires 3 for 61" decks
345-173 050808 Hi-Lift 21" 7/16" 2 1/4" 0.134"
345-397 050258 Hi-Lift 21" 7/16" 2 7/8" 0.134"
345-421 050272 Medium-Lift 21 1/2" 1/2" 2 1/2" 0.203"

Related Information

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