Overview

• Manufacturer: Husqvarna
• Part type: Belt Tensioner Wheel (OEM replacement pulley) for belt-drive systems
• Part number: 586104302
• Purpose and use: Replaces a worn or failed tensioner wheel to maintain proper belt tension and alignment in Husqvarna belt-driven outdoor power equipment, reducing belt slip and wear. Genuine OEM component designed to integrate with the factory tensioner assembly.
• Typical applications: Rider-series lawn tractors and select walk-behind mowers that use an 86 mm tensioner wheel with a 16 mm center bore.
• Key dimensions: Diameter 86 mm; Center bore 16 mm.

• Source: Husqvarna official part data and compatible-part listings confirm OEM status and typical Rider-series fitment.

Key Features

• Part Number: 586104302 (Genuine OEM Husqvarna)
• Type of machine suitable for: Belt-driven Husqvarna outdoor power equipment, with emphasis on Rider-series lawn tractors and similar models that use a 86 mm idler wheel with 16 mm bore.
• Installation tips:
  • Disconnect power and access the tensioner assembly.
  • Remove the old tensioner wheel and mount the new wheel in the correct orientation.
  • Reinstall the drive belt around the pulley, ensure proper alignment, and secure mounting hardware per OEM guidance.
  • Test run to verify belt tension and tracking; confirm no rub or misalignment.
  • Inspect bearings for smooth rotation before returning to service.

Compatibility

• Suitable machine models: Husqvarna Rider-series lawn tractors and ride-on mowers; also listed for walk-behind mowers that utilize this tensioner wheel. Example fitment includes Rider 111B, 111B5, 112C, 112C5, 115B, 115C.
• Alternative part numbers: 506793202; 5067932-02; 5067932-02 (alt. references for the same wheel).
• Dimensions reference: 86 mm diameter with 16 mm center bore to match OEM specification.