
The Gates Micro‑V standard V‑ribbed belt for 2005–2007 Peterbilt 379 with Caterpillar C15 diesel fits fan and alternator accessory drive as a standard replacement. It follows Gates’ specified rib geometry for those circuits on the Peterbilt 379 C15 application and serves as the factory‑matched standard V‑rib option for routine accessory drive maintenance.
Gates 05-07 Peterbilt 379 Caterpillar C15 Diesel Fan & Alt. Standard V-Ribbed Belt