
The Gates Micro‑V standard V‑ribbed belt for 2017–2023 Peterbilt 389 with Cummins X15 diesel is intended for fan drive accessory use as listed by Gates. It provides the correct rib profile for the fan circuit and is offered as the Gates‑specified standard V‑rib replacement for those Peterbilt 389 Cummins X15 applications requiring the standard belt configuration.
Gates 17-23 Peterbilt 389 Cummins X15 Diesel Fan Standard V-Ribbed Belt