405143 Craftsman Mower Belt 532405143 584453101 Lawn Mower 46" Deck Belt Fits for Husqvarna AYP Ariens 21546607 7133156 1/2" x 106" Kevlar Cord

What It Is

This is a 46-inch deck drive belt (1/2" x 106") for riding lawn mowers, connecting the engine pulley to the deck spindles to spin the blades. It’s a direct replacement for OEM part 532405143 and fits select Craftsman, Husqvarna, AYP, and Ariens models.

Fitment & Compatibility

Before buying, verify these:

• Deck size: Must be exactly 46 inches (not 42" or 48").
• Measurements: Belt is 1/2" wide x 106" long. Confirm your old belt matches these dimensions.
• OEM cross-references: Fits OEM #532405143, 584453101, 21546607, 7133156. Also replaces Husqvarna 532405143, AYP 584453101, Ariens 21546607.
• Common models: Works on Craftsman GT5000, GT3000, DYT4000, and Husqvarna YTH22V46, YTH24V48 (verify deck size). Check your mower’s model number under the seat or on the frame.
• Not universal: Won’t fit 42" or 54" decks, or zero-turn mowers.

Key Things to Know

• Quality: Kevlar cord construction is stronger than standard rubber, resists stretching and heat better than OEM-grade belts.
• Installation: Moderate difficulty—requires removing deck or belt guards, and routing around pulleys. Use a diagram from your manual or online.
• Gotcha: Some users report this belt runs slightly tighter than OEM. If your old belt was worn, the new one may feel snug—check pulley alignment and tension spring condition.
• Check pulley condition: Worn or rusty pulleys will shorten belt life. Replace damaged pulleys before installing.

Should You Buy It

If you need a durable, affordable replacement for a 46-inch Craftsman or Husqvarna deck belt, this is a solid choice—especially for the price. It’s ideal for DIY owners with moderate mechanical skills who want Kevlar strength without paying dealer prices. Skip it if your deck is a different size or you need a zero-turn belt.