405143 Deck Drive Belt for 46" AYP Husqvarna Poulan Craftsman 2246LS 2346XLS YTH22V46 YTH20K46 YTH2146XP 532405143 21546607 584453101 (1/2" x 106")

What It Is

This is a 1/2" x 106" deck drive belt that transfers power from the engine pulley to the mower deck spindles on 46" cutting deck lawn tractors. It’s designed for AYP (American Yard Products) built models under Husqvarna, Poulan, and Craftsman brands.

Fitment & Compatibility

Before buying, confirm your mower has a 46-inch cutting deck and that the belt measures 1/2" wide by 106" long (check your old belt or manual). This belt fits models like Craftsman 2246LS, 2346XLS, YTH22V46, YTH20K46, YTH2146XP, plus Husqvarna and Poulan equivalents. It replaces OEM numbers 532405143, 21546607, and 584453101. Do not assume brand name alone guarantees fit—always verify deck size and belt length. This is an aftermarket belt, not OEM, but matches the original specs.

Key Things to Know

• Quality vs OEM: This aftermarket belt is priced lower than OEM but has mixed reviews on longevity—some users report it wears faster than a genuine Husqvarna or Craftsman belt.
• Installation difficulty: Moderate. You’ll need to remove the deck, route the belt around three spindle pulleys and the idler, then reinstall. A belt diagram (often on the deck or in the manual) helps.
• Common gotcha: If your deck has a spring-loaded idler pulley, ensure the belt is tensioned correctly—too loose causes slipping, too tight strains spindles.
• Check pulley condition: Worn or rough pulleys will destroy any belt quickly—inspect and replace if needed.

Should You Buy It

Buy this belt if you need a budget-friendly replacement for a 46" AYP deck and are comfortable with moderate DIY installation. It works fine for average homeowners with light-to-medium use, but if you mow frequently or want maximum durability, consider spending more on an OEM belt.