581043901 Mulching Blade for Hu sqvarna 46" Deck - Fits Hu sqvarna 46 Inch Lawn Tractors YTH224T YT46LS TS246 YTH224TFI TS346 (2 Pack)

What It Is

This is a set of two mulching blades designed for Husqvarna 46-inch lawn tractors. They replace standard lift blades to cut grass clippings into finer particles that decompose faster, improving lawn health and reducing bagging needs.

Fitment & Compatibility

Before buying, confirm your mower deck is exactly 46 inches wide (measured blade tip to blade tip). These blades fit Husqvarna models YTH224T, YT46LS, TS246, YTH224TFI, and TS346. They are aftermarket replacements for OEM part 581043901. Measure your existing blade length, center hole diameter (typically 1-inch), and offset (usually 0.5-inch). The 2-pack covers one full deck set for most 46-inch Husqvarna tractors. Do not assume all 46-inch decks share the same blade pattern—check your model number on the tractor’s frame or under the seat.

Key Things to Know

• Installation difficulty: Moderate. Requires a socket wrench and torque wrench (recommended 70-90 ft-lbs). Lift the mower deck safely and block it before working.
• Sharpness out of box: These are sharp enough for mulching but may benefit from a quick hone if you want a finer cut.
• Mulching vs. bagging: These blades are optimized for mulching—they have a curved design that recirculates clippings. They will not perform well for bagging or side discharge.
• Wear check: Inspect for balanced weight after installation. Unbalanced blades cause vibration and deck damage. If you don’t have a balancer, mark the blade and spin by hand to check.

Should You Buy It

If you own a compatible 46-inch Husqvarna tractor and want to switch to mulching (or replace worn mulching blades), this 2-pack is a solid value at $25.99. It’s not ideal for bagging-only users, but for most residential mulching needs, it’s a reliable, budget-friendly choice.