Flat Deck Idler Pulley – Reliable Replacement Part for Smooth Deck Operation This quality aluminum flat deck idler pulley is designed to provide dependable performance and longlasting durability in lawn mower and outdoor equipment applications. Engineered to match OEM specifications, it ensures proper belt alignment and tension, helping your deck run smoothly and efficiently. Key Features: Includes: 1x Flat Deck Idler Pulley OEM Part Numbers: 605512, 603986 – fit for compatible models Dimensions: * Inner Diameter: 12.7 mm (0.50 in) * Outer Diameter: 123.5 mm (4.82 in) * Width: 34.0 mm (1.33 in) Material: Heavyduty aluminum construction for strength and corrosion resistance Designed for consistent belt tracking and deck performance Benefits: Maintains proper belt tension to prevent slippage and ensure efficient cutting Aluminum body offers resistance to wear and damage, extending service life Easy fitment for quick replacement with minimal downtime Typical Applications: 1. Ideal for replacing worn or damaged idler pulleys in lawn mower cutting decks to restore smooth, even belt movement. 2. Suitable for use in various outdoor power equipment where specific OEM part numbers are required for fit and performance. 3. for maintenance schedules where reliable, longlasting pulley performance is critical. This flat deck idler pulley is a direct replacement for OEM parts 605512 and 603986, ensuring precise compatibility and dependable operation. Its robust aluminum construction makes it a trusted choice for both residential and professional equipment maintenance.