Key features

• •Complete Replacement Kit for Multiple Husqvarna Models: This is a complete drive idler pulley and belt kit, Replaces Part Numbers-Idler Pulley: 539110311, 607163, 14259; Drive Belt: 539110411, 12400. It is designed for Husqvarna zero-turn and lawn tractor models including Z254F, Z200, CZ3815, CZ4217, CZ42175, 460ZX, RZ4623, 925ZX lawn tractor, RZ5424 (966691901), Z5426 (2012-07) (968999508), Z4824 (2012-07) (968999512), and 541ZX (966681901) and more. Please verify your mower's model and old part numbers before ordering.
• •Restore Smooth Power & Eliminate Vibration: Does your mower shake, lose power, or make grinding noises? Worn pulleys and a stretched belt are common culprits. This kit restores proper tension and alignment, ensuring smooth power transmission from the engine to the wheels for even cutting and a comfortable ride, free from excessive vibration.
• •Precision Fit with Durable, Heat-Resistant Materials: Engineered to exact OEM specifications. The pulley (3/8" Inner Diameter, 3-1/2" Outer Diameter) and belt (56" Length, 1/2" Width) are made from high-strength rubber-fiber composite that withstands high operating temperatures and resist wear, stretching, and cracking for long-lasting reliability.
• •Easy, All-in-One Solution for DIY Repair: Save time and money on professional service. This convenient 2-in-1 kit contains both components needed for the repair. With basic tools, you can replace both the worn idler pulley and the drive belt in one session, getting your mower back to peak performance quickly.
• •Value Kit for Reliable Mowing Season After Season: Invest in uninterrupted mowing. By replacing both interdependent parts simultaneously, you prevent future breakdowns caused by a mismatched or failing component. This proactive repair ensures consistent, dependable performance for your lawn care tasks.