Husqvarna Lawn Tractor Blade Idler Pulley 532139123 3.00 x 1.20 x 3.00 Genuine OEM
by Husqvarna · Pulley
Lawn & GardenLawn & Garden Equipment & Accessories
Condition: NewAffiliate link: you pay on Sears PartsDirect's site, under its shipping and returns. We may earn a commission. Delivery time is shown on Sears PartsDirect's site.
Sears PartsDirect prices are from its product feed as of 18 Oct 2026, not live: the current price and availability are on Sears PartsDirect's own page.
Description
This is a Genuine OEM Husqvarna part. Basic InformationPart Name: Lawn Tractor Blade Idler PulleyManufacturer: HusqvarnaCategory: Lawn TractorPrimary Function: Applies tension to the blade belt so the blades can engage properlyInstallation & CompatibilityCompatible Models:Fits various Husqvarna lawn tractor models. Confirm fit using your model s parts diagram before ordering. Installation Difficulty: MediumTools Required: Work gloves, screwdriver Additional Information: This idler pulley keeps tension on the blade belt, helping the blades spin correctly. If the belt slips off, the blades won t engage, or you hear squealing noises, the pulley may need to be replaced. This part replaces 139123 and 5321391-23 and fits select Husqvarna lawn tractor models. Disconnect the spark plug wire before beginning installation. Use a screwdriver to remove the old pulley and install the new one. Wear gloves to protect your hands while working under the mower deck. | Husqvarna Lawn Tractor Blade Idler Pulley 532139123 3.00 x 1.20 x 3.00 Genuine OEM
Fits, as listed by Sears PartsDirect
Listed by part number, not by machine model: confirm the number against your appliance's or machine's parts list before ordering.
For: Lawn Tractor
Specifications
3.00 x 1.20 x 3.00