The Kubota 3P903-15780 Ribbed V-Belt is an original Kubota OEM replacement belt, designed for use in the cooling systems of various M Series tractors. This high-quality ribbed belt ensures reliable power transfer to the fan, maintaining proper engine cooling and preventing overheating under demanding agricultural workloads.
Manufactured to Kubota’s exact specifications, the 3P903-15780 belt offers excellent durability, wear resistance, and performance. It is specifically engineered to handle the high torque and constant operation typical of farm machinery, ensuring long service life and minimal maintenance.
This belt is fitted to the A41000 Fan Assembly across multiple tractor models, making it a frequently used service item for preventive maintenance.
Compatible Kubota Tractor Models
M126 Series: M126GXDTC, M126XDTC, M126XDTPC
M135 Series: M135GXDTC, M135GXDTSC, M135XDC, M135XDCS
M6 Series: M6-131DTC, M6-131DTCC, M6-141DTC, M6-141DTSC, M6-141DTCC, M6-141DTSCC
Replacement Part Numbers
3P903-15780
3P90315780
3P903-1578-0
Key Applications
Fan Drive System – Provides consistent power to cooling fans
Preventive Maintenance – Recommended replacement item to avoid engine overheating
High-Durability Agricultural Use – Built to withstand dust, vibration, and heavy loads
