The Gates Micro-V V-ribbed belt for 2014–2016 Mack MRU series with MP8 diesel engines is listed as a heavy-duty fan and water pump belt. It serves as the accessory drive belt for those Mack MP8 applications, supporting cooling and pump operation. The heavy-duty option is provided in the product listing and intended for direct replacement on the specified Mack MRU series and model years.
Gates 14-16 Mack MRU Series Mack MP8 Diesel Fan & Water Pump Heavy Duty V-Ribbed Belt