Universal Idler Pulley Assembly Kit for mower decks
✔️ Single kit, universal fit across multiple mower series (1 pc)
The 88663 idler pulley assembly is a universal replacement part that helps keep belts aligned on mower decks, finish mowers, and drive systems. It's a common repair part for many mower models, making belt maintenance quick and straightforward in both residential and professional settings.
✅ 5/8 in bore (15.88 mm) and 1-1/16 in belt groove (27.0 mm)
✅ Overall diameter 5-3/4 in (146.05 mm) and height 1-1/2 in (38.1 mm)
✅ Sealed radial single‑row bearing for reduced friction and longer life
✅ Heavy‑duty steel construction with painted finish for rust resistance
✅ Replacement part numbers: 02885600, 88663, 02885600
💡 What is an idler pulley assembly used for in belt drive systems on mower decks?
It is a handy component that helps keep the belt aligned and reduces wear on pulleys and bearings.
- maintains belt tracking in mower deck belt drives
- reduces belt wear and heat with a sealed radial bearing
- compatible with many mower models for easy replacement
