138-7597 – Pulley-Idler, Flat (3BW) – Genuine Toro OEM Part 991279 and improves safety

and improves safety

this OEM kit helps preserve cut quality

Replace damaged or missing muffler deflectors

this belt delivers excellent flexibility while resisting cracking

138-7597 – Pulley-Idler, Flat (3BW) – Genuine Toro OEM Part 991279 and improves safety138 7597 Pulley Idler, Flat (3BW) Genuine Toro OEM Part The Toro 138 7597 Flat Idler Pulley (3BW) is a genuine Toro OEM belt drive component designed to maintain proper belt tension and alignment within mower deck and drive systems. This flat idler pulley ensures smooth belt tracking, reduces vibration, and helps extend belt and component service life during operation. Manufactured to Toro original equipment specifications, the 138 7597 pulley is