POSFLAG 196104 Idler Pulley for Husqvarna — Replaces 5321961-04 & 532197380

Upgrade your mower’s belt drive with a purpose-built replacement

The POSFLAG 196104 Idler Pulley is designed to stand in for worn or hard-to-find parts on a wide range of Husqvarna and Craftsman machines. By matching the replacement numbers 196104, 197380, 5321961-04, and 532197380, this pulley helps you maintain a clean, consistent belt path without the need for a full deck overhaul.

Durable construction engineered for real-world use

Crafted from high-quality materials, the pulley uses a double-sealed, pre-greased bearing to resist wear and tear in dusty, grassy conditions. The result is smoother operation and a longer service life between maintenance sessions, even when the mower runs for extended periods.

• Double-sealed bearing for reliable performance
• Pre-greased sealing reduces initial maintenance needs
• Rugged construction designed for outdoor use
• Simple upgrade that helps restore peak belt-drive performance
• Broad compatibility across Husqvarna, YTH, and related models

Key specifications and what’s included

The pulley measures approximately OD 5.31 inches, ID 0.4 inches, and a height of 1.5 inches. The hardware kit provides everything needed for a straightforward installation:

• 3/8"-16 x 2-1/4" hex bolts
• 3/8" washers
• 3/8"-16 flanged nylon lock nuts

Why consider this upgrade

Replacing a worn or misaligned idler can help maintain proper belt tension and alignment, reducing variable wear and promoting more consistent mowing performance. It’s an option to refresh your mower’s drive system without a full deck replacement, with the added benefit of a hardware kit included for easier swapping. If you’re managing multiple Husqvarna or lawn tractor models, this part’s broad compatibility can simplify parts planning and maintenance scheduling.