Oregon 92-057 24-1/2" Lawn Mower Blade for Exmark – Replacement Lawn & Garden Equipment Lawn Mower Cutting Blade Component

Part Number: 92-057
Category: Lawn & Garden Equipment Replacement Parts
Type: 24-1/2" High-Lift Lawn Mower Cutting Blade – Exmark 72" Deck Replacement

The Oregon 92-057 24-1/2" Lawn Mower Blade for Exmark is a premium replacement cutting blade designed for compatible Exmark commercial and zero-turn lawn mowers equipped with select 72-inch cutting decks. Featuring a 24-1/2-inch length, 3-inch width, 0.203-inch thickness, and 15/16-inch center hole, this blade uses a high-lift design to increase airflow for efficient grass cutting, bagging, and side discharge. Manufactured to Oregon's quality standards, its durable construction and hardened cutting edge help maintain sharpness and deliver consistent mowing performance. This blade provides a replacement for worn, bent, damaged, or dull mower blades.

Product Specifications

• Part Number: 92-057

• Brand: Oregon

• Product Type: High-Lift Lawn Mower Blade

• Component Type: Lawn Mower Cutting Blade

• Blade Design: High-Lift

• Blade Length: 24-1/2"

• Blade Width: 3"

• Blade Thickness: 0.203"

• Center Hole Diameter: 15/16"

• Blade Offset: 0"

• Air Lift: 1"

• Blade Color: Black

• Cutting Deck Compatibility: Select 72" Exmark Mower Decks

• Compatible Equipment Brand: Exmark

• Compatible Mower Series: Select Lazer Z, Front Runner & Turf Ranger Models

• Replaces Exmark OEM Numbers: 103-6384, 103-6384-S, 103-6389, 103-6394, 103-6394-S, 103-6399, 103-6399-S, 103-6404, 103-6404-S, 116-5171, 116-5171-S

• J Thomas Cross-Reference: EX-24

• Rotary Cross-Reference: 11498

• Stens Cross-References: 355-279, 355-283, 355-347, 355-420

• UPC: 032488920570

• Approximate Shipping Weight: 3.87 lbs.

• Application: Lawn Mower Grass Cutting, Bagging & Side Discharge

• Package Quantity: 1 Mower Blade

• Condition: New

Features & Benefits

• Genuine Oregon 92-057 replacement lawn mower blade

• Features a 24-1/2-inch length and 15/16-inch center hole

• Designed for compatible Exmark 72-inch mower cutting decks

• High-lift design increases airflow for efficient grass discharge

• Aggressive blade angle supports improved bagging and side discharge

• Hardened cutting edge helps maintain sharpness and durability

• Durable steel construction supports demanding mowing applications

• Helps deliver a clean, consistent cut for professional mowing results

• Designed to meet Oregon's 26 blade quality standards

• Compatible with select Exmark Lazer Z and Turf Ranger mower models

• Replaces multiple Exmark OEM cutting blade part numbers

• Suitable for replacing worn, bent, damaged, or dull mower blades

• Supports routine commercial and residential lawn mower maintenance

Applications

• Exmark Lazer Z 72-inch cutting decks

• Exmark Lazer Z AC mower applications

• Exmark Lazer Z AS mower applications

• Exmark Lazer Z LC mower applications

• Exmark Lazer Z XP mower applications

• Exmark Lazer Z XS mower applications

• Exmark Front Runner cutting deck assemblies

• Exmark Turf Ranger 72-inch mower decks

• Select Exmark Next Lazer zero-turn mowers

• Compatible Exmark commercial lawn mower models

• Zero-turn mower cutting blade replacement

• Grass cutting, bagging, and side discharge applications

• Commercial lawn care and landscaping equipment maintenance

• Applications requiring Oregon 92-057 or compatible Exmark OEM blades

Important Information

• Verify Oregon part number 92-057 before ordering.

• Features a 24-1/2" length, 3" width, and 0.203" thickness.

• Designed with a 15/16" center hole.

• Blade offset measures 0", with an air lift of 1".

• Features a high-lift cutting design for efficient bagging and side discharge.

• Designed for select Exmark 72-inch cutting deck applications.

• Replaces Exmark OEM numbers 103-6384, 103-6384-S, 103-6389, 103-6394, 103-6394-S, 103-6399, 103-6399-S, 103-6404, 103-6404-S, 116-5171, and 116-5171-S.

• Additional cross-references include J Thomas EX-24, Rotary 11498, and select Stens blade numbers.

• Compatible Exmark 72-inch three-blade cutting decks require three blades for a complete replacement set.

• Includes one Oregon replacement mower blade.

• Not every Exmark mower uses the same blade dimensions or mounting configuration.

• Confirm compatibility using the equipment model number, cutting deck size, and original blade part number.

• Compare the existing blade length, center hole diameter, and mounting configuration before purchasing.

• Inspect the blade spindle, mounting hardware, and mower deck for wear or damage before installation.

• Replace bent, cracked, or excessively worn mower blades to maintain safe cutting performance.

• Ensure the replacement blade is properly balanced and securely installed before operating equipment.

• Shut off the engine, remove the ignition key, and disconnect the spark plug wire before servicing the cutting deck.

• Follow the equipment manufacturer's installation and safety instructions.