Oregon 91-534 21" High-Lift Mower Blade for Grasshopper – Replacement Lawn & Garden Equipment Mower Cutting Blade Component

Part Number: 91-534
Category: Oregon Lawn & Garden Equipment Replacement Parts
Type: Replacement 21" High-Lift Lawn Mower Cutting Blade for Grasshopper

The Oregon 91-534 21" High-Lift Mower Blade is a replacement cutting blade designed for compatible Grasshopper commercial lawn mowers and other specified mowing equipment. Featuring a 21-inch length, 2-1/2-inch width, 1/4-inch thickness, and 1/2-inch center mounting hole, this blade provides dependable cutting performance during routine lawn maintenance. Its high-lift design increases airflow beneath the mower deck to help lift grass for an even cut and improve clipping discharge. Manufactured to meet Oregon's blade quality standards, the Oregon 91-534 offers a durable replacement for worn, bent, damaged, or dull mower blades on compatible 41-inch and 61-inch cutting decks.

Product Specifications

• Part Number: 91-534

• Brand: Oregon

• Product Type: Lawn Mower Cutting Blade

• Component Type: Replacement Mower Deck Blade

• Blade Design: High-Lift

• Blade Length: 21"

• Blade Width: 2-1/2"

• Blade Thickness: 1/4" (0.250")

• Center Hole Diameter: 1/2"

• Blade Offset: 5/16"

• Air Lift: 1-3/16"

• Color: Black

• Compatible Equipment: Select Grasshopper Commercial Mowers

• Cutting Deck Applications: 41" and 61"

• Blade Quantity for 41" Deck: 2

• Blade Quantity for 61" Deck: 3

• Grasshopper OEM Replacement Reference: 320244

• Additional Cross-References: Rotary 10102, Stens 320-014, Sunbelt B1GH1905

• Application: Lawn Mower Cutting Deck Maintenance

• Quantity: 1 Mower Blade

• Condition: New

Features & Benefits

• Genuine Oregon 91-534 replacement 21-inch mower blade

• High-lift design helps improve airflow beneath the cutting deck

• Features a 21-inch length and 2-1/2-inch blade width

• Durable construction supports dependable mowing performance

• Enhanced hardening helps maintain cutting edge sharpness

• Helps lift grass for a consistent and even cut

• Supports effective grass clipping discharge and collection

• Replaces worn, dull, bent, or damaged mower blades

• Manufactured to Oregon's quality standards for replacement mower blades

Applications

• Compatible Grasshopper commercial lawn mowers

• Select Grasshopper 41-inch mower decks

• Select Grasshopper 61-inch mower decks

• Grasshopper 320244 blade replacement applications

• Compatible Bush Hog ATH and FTH mowing equipment

• Commercial lawn mowing and landscape maintenance

• High-lift mower blade replacement

• Mower deck cutting system maintenance

• Equipment specifying Oregon 91-534 cutting blades

Important Information

• Verify Oregon part number 91-534 before ordering.

• This listing includes one replacement 21-inch high-lift mower blade, not a complete blade set.

• The blade measures 21" long × 2-1/2" wide × 1/4" thick.

• Features a 1/2-inch center mounting hole.

• Compatible configurations may require two blades for a 41-inch deck or three blades for a 61-inch deck.

• Replaces Grasshopper OEM part number 320244 in compatible applications.

• Do not confuse this blade with Oregon 91-544, which is a 25-inch low-lift blade.

• Confirm your mower's model number, deck configuration, and original blade dimensions before purchasing.

• Inspect the blade spindle, mounting hardware, and cutting deck for damage before installation.

• Replace damaged or excessively worn blades to maintain proper cutting performance.

• Follow the mower manufacturer's blade installation, tightening torque, and safety instructions.