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The ARIENS 21546895 is an OEM replacement mower blade designed for 21-inch walk-behind and push mower decks. This blade mounts to the spindle beneath the cutting deck and is responsible for the cutting and mulching action on each pass. At 21 inches in cutting length and weighing 5 pounds, it is a direct-fit replacement part built to restore proper cutting performance to compatible ARIENS mowing equipment. Installation is typically performed by a small-engine technician or a knowledgeable equipment owner with standard hand tools.
This blade is intended for use on ARIENS 21-inch push mowers and 21-inch walk-behind mowers. It suits residential lawn maintenance applications where maintaining OEM cutting geometry and blade balance is important for a clean, even cut. Verifying the exact deck configuration and model number before installation is recommended, as additional models beyond those listed may also be compatible.
Fits ARIENS 21-inch push mowers and 21-inch walk-behind mowers. This part may fit additional models not listed; verify fitment against the unit model and serial number before installation.
Disconnect the spark plug wire before servicing the cutting deck. Wear heavy gloves when handling or torquing the blade, as edges are sharp. Use a blade-holding tool or block of wood to prevent spindle rotation while loosening or tightening the center bolt. Follow all applicable outdoor power equipment safety guidelines during service.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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