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Genuine OregonMower Blade, 21in. Part# 91-534

Original price was: $13.49.Current price is: $6.07.

SKU: OEP~91-534 Category: Tag:

Description

Details

  • Center hole: 1/2″
  • Requires 3 blades for a 61″ cut
  • Requires 2 blades for a 41″ cut
  • Enhanced hardening to keep the blade sharper and more durable
  • Made to exact OEM specifications
  • High-lift: The aggressive blade angle increases air flow to push debris up-and-out for superior bagging or side discharge
  • Replacement for a major brand: Grasshopper

Blades

Blade WidthMeasure near the center of the blade. 2.50″
Blade ThicknessMeasure near the center of the blade. 0.250″
Blade LengthMeasured diagonally from the corners of the blade 21″
Center Hole SizeMany blades will have a round hole in the center of the blade and you will need to know its diameter. Blade Length 5 or 7 Point Star Center holes may be 5 or 7 point star shaped. 5 point star on blade7 point star on blade Square or Rectangular The MTD built blades on many walk behind lawn mowers have a ‘bow-tie’ hole. In this case the Oregon replacement blade will have a rectangular center hole which will fit on the bow-tie pattern on the blade adapter. Square or Rectangular hole on blade MTD Blades The MTD® built blades (Bolens, Cub Cadet, Troy-bilt, White, Yard Machine, and Yardman) may have a 6 point star. Oregon replacement blades will have a ‘Y’ shaped center hole which will fit exactly on the 6 point star on the blade spindle. 6 point star for MTD blades The two sizes of the 6 point star. If your blade spindle has a bolt and lock washer that holds the blade to the machine you would use the 11/16″ star or ‘Y’ blade. blade spindle with bolt and lock washer. If your blade is secured with a large flange nut then you would use the 5/8″ star or ‘Y’ blade. blade spindle with large flange nut 1/2″
OffSet(Sometimes referred to as offset): If you set the blade on a table this is the distance the center of the blade is above the table top (if any) when the cutting edges are flat on the table 5/16″
Air LiftAir lift is the distance the lift panel rises above the cutting edge. 1-3/16″

General

Color Black
Volume 332.641 in3
Product UOM Each
Weight (with Packaging) 3.482 Lb
Product Height 0.25
Product Length 21″
Product Width 2.5
Packaged Length 23.1″
Packaged Width 6″
Packaged Height 2.4″

Click these tabs for additional compatibility information.

  • Replaces
  • Compatible Models

Replaces

Bush Hog:

88668

Grasshopper:

320242, 320243, 320244, 320245, 320245B, 320246, 320247, 320322, 70134

Rotary:

10102

Stens:

320-014

Sunbelt:

B1GH1905

Woods:

70134, 70134KT, 70142KT, 72517KT