Name: Oregon® 20-1/2" Blade for 21" Exmark Lawn Mowers, OEM Part Number 135-0413-S
Brand: Oregon
SKU: 92-925

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Specifications, Details & Support Fit Guide & Parts Cross Reference Reviews

This 20-1/2" Oregon® blade was designed as an exact replacement for Exmark lawn mowers, matching the specs for OEM part number 135-0413-S. Made from premium hardened steel, the blade uses a rolled-lift design to optimize performance while sending clippings directly into the mower bag. The cutting edge comes pre-sharpened at an optimal angle for clean and consistent cuts that will help keep your yard looking green and healthy. Backed by a legacy of craftsmanship that began in 1947, Oregon® products undergo a rigorous 26 point certification process to ensure their safety, quality, durability, and performance.

Product Details

VERIFY FIT: Replaces OEM blade for Exmark lawn mowers with 21" decks: part number 135-0413-S; length 20-1/2" width 2.25" center hole 7/16" round
COMPATIBLE MOWERS: Exmark S-Series and X-Series
BEST FOR BAGGING: Rolled-lift blade design optimizes performance while sending clippings directly into the mower bag
PRE-SHARPENED EDGE: Cutting edge pre-sharpened at optimum angle for a clean, even cut from the first mow, reducing the chance of tearing, which can lead to the browning of grass tips due to infection
OREGON® QUALITY: Since 1947, trusted worldwide for our unparalleled quality and control standards, Oregon® products undergo a rigorous 26-point certification process to meet the highest standards for safety and durability
WARNING: This product can expose you to Nickel, a chemical known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov

Specifications, Details & Support

Blades
Blade Width	2.25"
Thickness	0.149
Blade Length	20-1/2"
Outer Hole Diameter	9/32
Center Hole Size Center Hole Size Many 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	7/16
Center-to-Center	2.5
OffSet	7/16
Air Lift	1
Blade Material	Steel

General
Volume	297.68 cm³
Product UOM	Each
Weight (with Packaging)	1.86 Lb
Net Weight Carton	11.19 Lb

Model Fit Guide and Parts Cross Reference

Need Help? Contact Customer Service at 800-223-5168 or email us at oregon.support@oregontool.com

Product Details

Fit Guide

Exmark

Replacement Guide

Exmark