582558001 Lawn Mower Deck Belt for Husqvarna Z248F RedMax RZT48 Jonsered Z48F Zero Turn Mower V Belt

What It Is

This is a factory-spec V-belt that transfers engine power to the cutting deck spindles on Husqvarna Z248F, RedMax RZT48, and Jonsered Z48F zero-turn mowers. It’s designed for 48-inch fabricated deck models with a 2-blade spindle setup.

Fitment & Compatibility

• Exact models: Husqvarna Z248F, RedMax RZT48, Jonsered Z48F. Also fits some Husqvarna Z242F and Z254F variants—verify by deck size (48-inch) and belt routing.
• OEM part: Original Husqvarna 582558001. Aftermarket belts using this number are direct replacements but may differ slightly in rubber compound or tensile strength.
• Measurements: Outside length ~95.5 inches, width 1/2 inch, K-section (standard lawn mower V-belt profile). Measure your old belt end-to-end before ordering—deck adjustments can stretch the belt over time.
• What to check: Confirm your deck has a spring-loaded idler pulley (common on these models). If your mower has a 3-blade or 54-inch deck, this belt will not fit.

Key Things to Know

• Quality: OEM-grade Kevlar-reinforced belt. Handles typical residential use but may wear faster under heavy commercial cutting or debris impact.
• Installation: Moderate difficulty—requires removing the deck or using a belt tool to tension the spring. Route diagram is usually printed on the deck or in the manual. Misrouting can cause slipping or rapid wear.
• Common gotcha: The belt can flip if the idler pulley is worn or misaligned. Inspect pulleys for wobble or flat spots before installing a new belt.
• Alternative: If you need a heavy-duty option for commercial use, consider a Kevlar-wrapped belt like the Oregon 95-548 (same length, higher durability).

Should You Buy It

Buy this if you own one of the listed zero-turn models with a 48-inch deck and need a direct OEM replacement for residential mowing. It’s a reliable, drop-in fit at a fair price. For commercial-grade durability or if you suspect pulley wear, look for a reinforced aftermarket belt.