532196106 Husqvarna Idler Pulley Replaces 532197379 Craftsman 196106 197379 for Husqvarna Z254 Z248F YTH24V48 YTH24K48 YTH2348 YTH22V46 YTH20K46 YTH18542 RZ5426 RZ5424 MZ54 LGT2654 Mowers

What It Is

The 532196106 idler pulley maintains belt tension on the blade drive system of select Husqvarna, Craftsman, and Poulan Pro lawn tractors and zero-turn mowers. It’s a direct replacement for the OEM pulley that wears out over time, causing belt slippage, poor cutting, or a screeching noise.

Fitment & Compatibility

Before buying, verify your machine’s model number (not just the brand) against the list: Husqvarna Z254, Z248F, YTH24V48, YTH24K48, YTH2348, YTH22V46, YTH20K46, YTH18542, RZ5426, RZ5424, MZ54, LGT2654; Craftsman models using the 197379 part; and any mower that accepts the 196106 or 197379 pulley. Measure the pulley diameter (4 inches) and the bearing bore (typically 5/8-inch) to confirm. This is an aftermarket replacement that matches OEM specs—cross-reference your old part number before ordering.

Key Things to Know

• Quality – Made from steel with a sealed ball bearing; holds up well under normal residential use but may not endure heavy commercial abuse as long as OEM.
• Installation – Moderate difficulty (about 30 minutes). You’ll need a socket wrench and possibly a puller to remove the old pulley if it’s seized.
• Gotcha – The belt tension must be reset after replacement; if the belt is old or stretched, replace it at the same time to avoid premature pulley wear.
• Noise check – If your mower still squeals after replacement, the belt may be misrouted or the new pulley isn’t seated flush.

Should You Buy It

This is a solid, affordable fix for DIY homeowners whose Husqvarna or Craftsman mower has a worn or noisy idler pulley. It matches OEM fitment and will restore proper belt tension for reliable cutting. Not ideal for heavy-duty commercial use—if you mow daily, spring for the genuine Husqvarna part.