Specification Brand : AIVWUMOT BulletPoint1 : 【Part Number】633166, 504-00644, 280-870, 1-633166 BulletPoint2 : 【Application】Compatible with Exmark Lazer Z, Lazer ZAC, Lazer Z AS, Lazer Z DS, Lazer Z LC, Lazer Z XS, Lazer Z XS BulletPoint3 : 【Application】Compatible with Toro Z 500, Z Master, Z 250, Z Master 742XX, TimeCutter ZD380, TimeCutter ZD420, TimeCutter ZD530, TimeCutter ZD420T BulletPoint4 : 【Outstanding After-Sales】If you are dissatisfied with your purchase for any reason, you can contact us through your order, we are always there BulletPoint5 : Number of Flanges: 2 ExternallyAssignedProductIdentifier1 : 0744144335061 ExternallyAssignedProductIdentifier2 : 744144335061 ItemName : AIVWUMOT V-Idler Pulley 1-633166 504-00644 Compatible with Exmark Lazer Z Toro Z Master TimeCutter Mowers ItemPackageDimensions_Height : 34.5948 centimeters ItemPackageDimensions_Length : 3.4036 centimeters ItemPackageDimensions_Width : 18.3896 centimeters ItemTypeKeyword : lawn-mower-pulleys Manufacturer : AIVWUMOT Material : steel NumberOfItems : 1 PartNumber : 1-633166 ProductDescription : This Flat Idler Pulley works both as an OEM replacement and as a general purpose pulley for power transmission such as compressors, industrial fans, lawn mowers, snowblowers, and electric motors. It comes with a bore adapter to bush down from 17mm to 3/8'' inside diameter. 31375075 features a heavy duty sealed radial single-row bearing.This part is Zinc-coated for long-term rust prevention. Additional Features: Made of Steel Flanges angled outward to help increase belt life Direct OEM Replacement for: Craftsman Husqvarna AYP: 173981 ProductSiteLaunchDate : 2023-07-04T07:45:19.442Z PulleyType : v_belt SupplierDeclaredDgHzRegulation : not_applicable UnspscCode : 24101600