
Gates Micro‑V V‑ribbed belt for 2015–2017 Mack GU Series with Cummins ISL9 diesel engines. This standard V‑ribbed serpentine belt fits applications driving the fan, A/C, alternator and water pump as specified, matching OE profile and routing. It is offered as a direct replacement to restore accessory drive operation for those Mack heavy‑duty trucks.
Gates 15-17 Mack GU Series Cummins ISL9 Diesel Fan A.C. Alt. & W.P. Standard V-Ribbed Belt