Fismiuta 331740B Mower Blade for 22-in Mowers – Replaces OEM 420463, 421825, 437601, 532421825, 532437601

Overview

Meet the Fismiuta 331740B mower blade, a premium replacement designed to fit a wide range of 22-inch mower decks from popular brands. Built to endure regular mowing, it pairs a balanced weight with a sharp edge to help you achieve a clean cut from the first pass. The rust-inhibited finish helps resist seasonal wear, while careful manufacturing delivers a consistent grind and reliable balance for steady performance across mowing sessions.

Compatibility and fit

This blade is designed to replace several OEM parts and to fit most 22-inch AYP and Craftsman mower decks. It also works with Husqvarna models listed in the documentation. Always verify fit prior to ordering to ensure compatibility with your specific deck and spindle configuration.

Key specifications

• Length 22 inches, width 2-1/2 inches, thickness 0.118 inches, air lift 0.826 inches, 5-point star center hole
• Replaces OEM parts 420463, 421825, 437601, 532421825, 532437601 (reference numbers for fit checks)
• Fits most 22-inch AYP and Craftsman mower decks; also compatible with Husqvarna Hu600F, Hu675Awd, Hu775Awd, 7022R/Kr/Rls, 8522 Rls

Build and durability

• Premium-grade high-carbon steel tempered for hardness and extended life
• Rust inhibitors paired with a painted, baked finish for outdoor resilience
• Precision manufacturing yields sharpened edges and a balanced blade for smoother mowing

Performance and usage scenarios

Pre-sharpened at the optimum angle, this blade aims to deliver a clean cut from the first mow, reducing tearing on well-manicured lawns and performing well in sandy conditions. It is well suited for shorter grass and well-kept yards, while offering flexibility for seasonal lawn variations depending on mower setup.

Why choose Fismiuta

Choosing Fismiuta means selecting a blade designed to complement everyday lawn care. The edge geometry supports a crisp cut, while the balanced design helps reduce vibration for a more comfortable mowing experience. The rust-inhibiting coating contributes to long-lasting performance in outdoor environments, and the pre-sharpened edge saves setup time for your next mow.

• Balanced design minimizes vibration for a smoother mowing experience
• Rust-inhibited finish promotes longer blade life in outdoor conditions
• Pre-sharpened edge provides a ready-to-use mowing start

Installation and care

Before purchasing, confirm your mower deck and OEM numbers correspond to the listed fits. Follow standard safety steps during installation and consult your manual if needed for proper torque and alignment. Regular inspection for nicks or wear will help maintain cutting efficiency over time.

Note: Please verify fit prior to ordering. OEM numbers are provided for reference only.