21" Blades for Bobcat Mowers

These Stens 21 inch blades are OEM replacements for Bobcat mowers.

302-621 Bobcat Part Number 112111-03.

302-621 Bobcat Part Number 112111-03.

  • Toothed Blade
    (302-621)
    USD $21.68
  • Hi-Lift Toothed Blade
    (302-821)
    USD $31.06
  • Heavy-Duty Blade
    (310-078)
    USD $15.88
    • Buy 2 for USD $14.30 each and save 10%
    • Buy 3 for USD $13.51 each and save 15%
  • Blade
    (340-117)
    USD $18.43
    • Buy 2 for USD $16.60 each and save 10%
    • Buy 3 for USD $15.67 each and save 15%

Details

These quality blades are excellent mower replacement blades for Bobcat Part Numbers 112111-03, 2722543-03, 42180B.

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 HiLift 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:

  • Measure the blade diagonally from cutting tip to cutting tip. For mulching blades measure on the back to ensure straight lines.
  • Measure the width at the widest part of the blade.
  • Measure the center hole.
  • Measure the center to center distance between the outer holes.
  • Refer to our chart below to choose your blade accordingly.

Part # Replaces Bobcat OEM Blade Type Length Center Hole Width Thickness
302-621 112111-03 / 112243-03 / 2722543-03 / 42180B / 72039B / WM142180B
Requires 3 for 61" deck
Silver Streak
Toothed
21" 5/8" 2 1/2" 0.203"
302-821 112111-03 / 112243-03 / 2722543-03 / 42180B / 72039B / WM142180B
Requires 3 for 61" deck
Silver Streak
Toothed
21" 5/8" 3" 0.250"
310-078 112111-03 / 112243-03 / 2722543-03 / 42180B / 72039B / WM142180B
Requires 3 for 61" deck
Notched
Air-Lift
21" 5/8" 2 1/2" 0.250"
340-117 112111-03 / 112243-03 / 42180B / 72039B / WM142180B
Requires 3 for 61" deck
Notched
Air-Lift
21" 5/8" 2 1/2" 0.203"

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