# 1979641 / 197-9641 - 74mm OD, IDLER PULLEY Keep your Caterpillar equipment running smoothly with this precision-engineered 74mm OD idler pulley. Built to match OEM specifications, this aftermarket component ensures optimal belt tension and reliable power transmission at a fraction of dealer costs. Stock availability means no waiting—order today and maintain peak equipment efficiency without breaking your budget. Quality you can count on, priced right.