The Oregon® 91-005 lawn mower blade is created to provide consistency and longevity, while delivering a cleaner cut and quality results. Many parts look similar, so it’s crucial to ensure you’re choosing the right replacement for your original equipment or engine model. Not sure? Use our Parts Lookup Tool to view part diagrams and find the correct replacement.

• 3/8" center hole
• Requires 1 blade for 21" cut
• Superior mulching for bagging and discharge efficiency
• Enhanced hardening to keep the blade sharper and more durable
• For walk-behind mowers
• Fits Ariens and Gravely models

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