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Lawnmower Gator Blade for 21 in. Deck, Fits Husqvarna and Craftsman Push Mowers (21HQR1G31)

Part# 21HQR1G31


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Get a clean cut in half the time with Gator ® mower blades. Our One Pass Perfection™ means no second-round cutting needed for a quick, hassle-free mow. The Gator® lawnmower blades deliver a full range of enhancements designed to boost performance and durability. With Oregon® patented Tooth-Twist, Gator blades deliver a better mulching experience, by keeping clippings in the center of the deck for multiple re-cuts. Returning natural nutrients to your lawn for a greener, healthier looking lawn. The exclusive Gator® mower blades stand up to heavy workloads and harsh cutting conditions including wet, dry, and sandy turf environments."

Product Details

  • Lawnmower Gator Blade for 21 in. Deck, Fits Husqvarna and Craftsman Push Mowers
  • Replaces following Husqvarna and Craftsman Part Numbers; 532175064, 532406712, 539112787, 580258101, 580258102, 581694101, 917752234, 159267, 175064, 189028, 406712, 580258101, 580258102
  • Contains two 3/8-IN outer holes. Center-to-Center is 1-7/8-IN
  • Superior-Mulching: Oregon Gator® Blades re-cut grass clippings to re-cycle nutrients back into your lawn. Giving it a healthier look, without using fertilizer. Patented Tooth-Twist and geometric design to increase air-flow.
  • Sharp-Cut: Gator Blades are sharpened at the optimum angle to provide a clean-cut from the first mow. The milled-edge reduces the chance of tearing grass, which can lead to the browning of grass tips due to infection.
  • No Clipping Left Behind: Gator technology makes sure that when bagging the majority of clippings end up in the mower bag, not in the lawn. Reducing the time for clean-up
  • WARNING: This product can expose you to Nickel, a chemical known to the State of California to cause cancer. For more information go to

Specifications, Details & Support

Blade Width 2.50"
Thickness 0.187
Blade Length 21"
Outer Hole Diameter 3/8"
Center Hole Size 5/8"
Center-to-Center 1-7/8"
OffSet 1/2"
Air Lift 3/4"
Gator Blade Series Gator® G3™
Blade Material Steel
Volume 56.05 in³
Product UOM Each
Weight (with Packaging) 2.54 Lb
Net Weight Carton 15.27 Lb

Model Fit Guide and Parts Cross Reference

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Fit Guide

Replacement Guide


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