This V-Groove 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 5/8'' to 3/8'' inside diameter. 35309038A features a heavy duty sealed radial single-row bearing.This part is Zinc-coated for long-term rust prevention. Additional Features: Made of Steel Seamweld Direct OEM Replacement for: Almac: VH-39-AB-38-ZPY Crary: 14637-00