Idler Belt Pulley — Accessory Drive Guide with Smooth-Running Bearing SKU: QT580172

This idler belt pulley helps keep your accessory drive running smoothly by guiding the belt for steady alignment and grip. It’s a practical replacement when a worn pulley or rough bearing causes squeal, slip, or wandering belts.

Built for everyday farm work, the pulley runs true with a quality bearing and a durable finish that stands up to dust, vibration, and weather—helping protect alternator, water pump, and other belt-driven components.

• Guides the belt to maintain proper tracking and reduce slip
• Smooth-running bearing for quiet operation and long service life
• Sturdy construction and corrosion-resistant finish for field conditions
• Straightforward fitment for common accessory belt layouts (verify routing before install)

Installation Tip: Safely de-tension the belt, remove the old pulley, clean the mounting boss, install and torque hardware evenly; re-route the belt per the diagram and spin the pulley by hand to confirm smooth, wobble-free rotation.

A dependable replacement pulley that helps keep your belt drive quiet, tight, and working the way it should.