582558001 Deck Belt Replacement Husqvarna Z248F 48 Inch Zero-Turn Mower/Replaces 196103/21546328/587686701/ for RedMax RZT48, Jonsered Z48F /Aramid Cord /147.5 inches

What It Is

This is a 147.5-inch aramid-cord deck belt for Husqvarna Z248F 48-inch zero-turn mowers, plus compatible RedMax RZT48 and Jonsered Z48F models. It drives the cutting blades from the engine pulley and is a direct replacement for OEM part numbers 582558001, 196103, 21546328, and 587686701.

Fitment & Compatibility

Before buying, verify your mower’s deck size is exactly 48 inches—this belt will not fit 42-inch or 54-inch decks. Check your current belt’s part number against the OEM list above; if it matches, this belt fits. Measure your old belt’s length: it must be 147.5 inches (374.6 cm) end-to-end. This is an aftermarket replacement, not OEM Husqvarna, so confirm the belt routing matches your deck diagram. It fits Husqvarna Z248F (2013–2018), RedMax RZT48, and Jonsered Z48F models, but double-check your specific serial number range online.

Key Things to Know

• Quality: Aramid cord is stronger than standard rubber belts, resisting stretching and heat better—good for heavy mowing or thick grass.
• Installation: Moderate difficulty. You’ll need to release the idler pulley tension, route the belt around all pulleys exactly as diagrammed, and re-tension. A wrong route causes slippage or blade engagement issues.
• Gotcha: The 147.5-inch length is critical; even 1 inch off can prevent proper fit. Measure your old belt laid flat, not stretched.
• Noise: Some users report slight squeaking initially; it usually fades after a few minutes of run-in.

Should You Buy It

If you own a Husqvarna Z248F, RedMax RZT48, or Jonsered Z48F with a 48-inch deck, this belt is a solid, cost-effective replacement for OEM belts that can cost twice as much. It’s best for DIY owners who want a durable upgrade without paying dealer prices. Avoid it if you need an exact OEM match or have a different deck size—then stick with the factory part.