
The Gates Micro-V V-ribbed belt for 1999–2004 Sterling L-Line models with Caterpillar C12 diesel engines is a standard fan drive belt. It provides V-ribbed drive for fan accessory systems on those trucks, matching the standard duty designation in the source text and serving as the specified service replacement for the stated model years and engine configuration.
Gates 99-04 Sterling L-Line Caterpillar C12 Diesel Fan Standard V-Ribbed Belt