Overview

These Stens Replacement 21 inch Blades are for Husqvarna Mowers are heat treated for durability and precision balanced.

21" Blades for Husqvarna Mowers

21" Mower Blade
USD $20.55
  • SKU: 302-400
Toothed Blade
USD $23.13
  • SKU: 302-621
Hi-Lift Toothed Blade
USD $33.14
  • SKU: 302-821
Heavy-Duty Blade
USD $16.95
  • SKU: 310-078
  • Buy 2 for USD $15.26 each and save 9.95%
  • Buy 3 for USD $14.42 each and save 14.95%
Mulching Blade
USD $17.48
  • SKU: 340-054
Blade
USD $22.33
  • SKU: 340-117
  • Buy 2 for USD $20.11 each and save 9.95%
  • Buy 3 for USD $18.99 each and save 14.95%
Blade
USD $17.48
  • SKU: 340-178
  • Buy 2 for USD $15.74 each and save 9.95%
  • Buy 3 for USD $14.87 each and save 14.95%
Blade, Heavy Duty
USD $14.90
  • SKU: 340-182
Mulching Blade
USD $15.29
  • SKU: 340-248
  • Buy 2 for USD $13.77 each and save 9.95%
  • Buy 3 for USD $13.00 each and save 14.95%
Sand Blade
USD $15.29
  • SKU: 340-440
  • Buy 2 for USD $13.77 each and save 9.95%
  • Buy 3 for USD $13.00 each and save 14.95%
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Prices are in US Dollars.

Overview

These Stens Replacement 21 inch Blades are for Husqvarna Mowers are heat treated for durability and precision balanced.

Product Description

These quality blades are excellent mower replacement blades for Husqvarna 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 grass 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:
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

Product Number Replaces Blade Type Length Center
Hole
Outer Holes Center Width Thickness
302-400 113312X, 532 12 78-43, 532 13 41-49,
532 13 84-98, 532 13 89-71, 532 13 97-75,
532 18 89-71, 777 13 41-49
Not recommended for mulch kit
Silver Streak
Toothed
21" 5 pt star N/A N/A 2 1/2" 0.187"
302-621 539 10 20-93, 539 10 17-33
Requires 3 for 61" deck
Toothed Blade 21" 5/8" N/A N/A 2 1/2" 0.203"
302-821 539 10 20-93, 539 10 17-33
Requires 3 for 61" deck
Hi-Lift
Toothed
21" 5/8" N/A N/A 3" 0.250"
310-078 539 10 17-33
Requires 3 for 61" deck
Notched
Air-Lift
21" 5/8" 1/4" 1 5/8" 2 1/2" 0.250"
340-054 532 13 97-75, OEM 13 97-75
Requires 2 for 42" decks
Mulching 21" 5 pt. star N/A N/A 2 1/4" 0.149"
340-066 532 13 41-49, 777 13 41-49
Fits YTH1542XPG, YTH1542XP
Requires 2 for 42" deck
Mulching 21" 5 pt. star N/A N/A 2 1/4" 0.134"
340-117 539 10 17-33
Requires 3 for 61" decks
Notched
Air-Lift
21" 5/8" N/A N/A 2 1/2" 0.203"
340-178 532 12 78-43, 532 13 84-98, 532 13 89-71
Fits YTH1542XP, YTH1542XPG, LTH1342, LTH1342A; requires 2 for 42" deck
Hi-Lift 21" 5 pt. star N/A N/A 2 1/4" 0.149"
340-182 532 13 84-98
Fits YTH1542XP, YTH1542XPG, LTH1342 and LTH1342A; 42" deck
Hi-Lift 21" 5 pt. star N/A N/A 2 1/4" 0.187"
340-248 531 30 72-35, 532 14 50-64, 532 16 58-33,
532 18 90-28, 532 40 67-12
Mulching Blade 21" 5/8" 3/8" 1 7/8" 2 1/4" 0.134"
340-440 532 13 41-49, 777 13 41-49
Requires 2 for 42" deck
Sand Blade 21" 5 pt. star N/A N/A 2 1/4" 0.187"

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