
The Gates Micro-V V-ribbed belt for 2009 International/Navistar 9900i models with Caterpillar C15 diesel engines is listed as a heavy-duty fan drive belt. It provides the V-ribbed drive needed for fan accessory applications on that model and year, offered to match the description’s heavy-duty designation and to serve as the appropriate service belt for the specified truck and engine.
Gates 2009 International/Navistar 9900i Caterpillar C15 Diesel Fan Heavy Duty V-Ribbed Belt