Deck Belt for Toro LX420 LX423 LX425 LX426 LX427 / 1125800 112-5800 109" x 1/2"

Deck Belt for Toro LX420 LX423 LX425 LX426 LX427

This deck belt replaces OEM part numbers 1125800 and 112-5800, measuring 109 inches by 1/2 inch, and fits Toro LX420, LX423, LX425, LX426, and LX427 riding mowers. The belt drives the cutting deck blades. It is made for owners who need a reliable replacement drive belt for compatible Toro mowers.

Overview

This deck belt is a replacement for part numbers 1125800 and 112-5800, sized at 109 inches by 1/2 inch. It fits Toro LX420, LX423, LX425, LX426, and LX427 riding mowers. The deck belt keeps the cutting blades spinning at the correct speed for a clean cut.

Built For Performance

• Measures 109 inches long by 1/2 inch wide for a precise fit
• Reinforced cord construction handles high-torque deck loads
• Wrapped fabric resists heat, oil, and abrasion
• Engineered to resist stretching for consistent blade speed
• Cross-references OEM numbers 1125800 and 112-5800

Fits These Machines

• for Toro LX420
• for Toro LX423
• for Toro LX425
• for Toro LX426
• for Toro LX427

On-The-Job Use

• Replacing a worn or broken deck belt on Toro LX mowers
• Scheduled deck maintenance before mowing season
• Restoring blade speed and cut quality
• Keeping a spare belt on hand for quick repairs

Specs At A Glance

Good To Know

Q: How do I confirm this belt fits my Toro mower? A: Check your mower model number against the LX420, LX423, LX425, LX426, and LX427 list, and verify the OEM part number on your old belt matches 1125800 or 112-5800.

Q: What size is this replacement belt? A: It measures 109 inches long and 1/2 inch wide. Matching both dimensions to your original belt helps ensure proper tension and operation.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.