21" Replacement Blades for AYP Mowers

These Stens 21 inch Replacement Blades are for AYP Mowers and includes Sears and Craftsman models.

340-248 Mulching Blade.

340-248 Mulching Blade.

  • 21" Mower Blade
    (302-400)
    USD $19.25
  • 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
    (335-214)
    USD $14.54
    • Buy 2 for USD $13.09 each and save 10%
    • Buy 3 for USD $12.37 each and save 15%
  • Mulching Blade
    (340-054)
    USD $16.38
  • Mulching Blade
    (340-066)
    USD $14.33
    • Buy 2 for USD $12.90 each and save 10%
    • Buy 3 for USD $12.19 each and save 15%
  • Blade
    (340-178)
    USD $16.38
    • Buy 2 for USD $14.75 each and save 10%
    • Buy 3 for USD $13.93 each and save 15%
  • Blade, Heavy Duty
    (340-182)
    USD $13.96
  • Mulching Blade
    (340-248)
    USD $14.33
    • Buy 2 for USD $12.90 each and save 10%
    • Buy 3 for USD $12.19 each and save 15%
  • Sand Blade
    (340-440)
    USD $14.33
    • Buy 2 for USD $12.90 each and save 10%
    • Buy 3 for USD $12.19 each and save 15%

Details

These Stens Replacement Blades are 21 inches in length and are for AYP Mowers. These blades are heat treated for durability and built with precision. These Stens Replacement Blades are excellent blades for your commerical lawnmower. We offer many blades fitting different applications and a variety of types. To find out more about your existing Blade Type and Size, please refer to the Related Information below.

Part # Replaces AYP / Craftsman OEM Blade Type Length Center Hole Outer Holes Center Width Thickness
302-400 127843 / 134149 / 138498 / 138971 / 138971X431 / 139775 / HU22004 Silver Streak Toothed Blade 21" 5 pt. star none none 2 1/2" 0.187"
310-078 539101733
Requires 3 for 61" deck
Notched Air-Lift 21" 5/8" 1/4" 1 5/8" 2 1/2" 0.250"
335-214 SPM209370365
Fits 21" walk-behinds
Mulching 21" Bow tie 5/16" 2 1/2" 2 1/4" 0.134"
340-054 24652 / 139775 / 917139775P / 917532139775
Requires 2 for 42" decks
Mulching 21" 5 pt. star none none 2 1/4" 0.149"
340-066 134149 / 24676 / 422719 / 424752 / 91724676 / 917532422719 / 917532424752 / 917539110460 / 917777134149 / 954636867
Requires 2 blades for 42" decks
Mulching 21" 5 pt. star none none 2 1/4" 0.134"
340-178 127843 / 134149 / 138498 / 138971 / 138971X431 / 917127843 / 917131323 / 917138498MS / 917532138498
Requires 2 blades for 42" decks
Notched Medium-Lift 21" 5 pt. star none none 2 1/4" 0.149"
340-182 127843 / 138971 / 138498
Requires 2 blades for 42" decks
Notched Medium-Lift 21" 5 pt. star none none 2 1/4" 0.187"
340-248 165833 / 165833B / 175064 / 176135 / 189028 / 406706 / 406712 / 33275 / 33524 / 917175064 / 917175064PB / 917176135 / 917532165833 / 917532175064 / 917532176135
Fits 21" decks
Mulching 21" 5/8" 3/8" 1 7/8" 2 1/4" 0.134"
340-440 134149
Requires 2 blades for 42" decks
Sand Blade 21" 5 pt. star none none 2 1/4" 0.187"

Related Information

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