Main part 3967026 V-ribbed belt 10PK1300, cross?referenced as 5690231, is compatible with Cummins ISB6.7, QSB6.7, D6.7, ISC, QSC8.3 and QSL9 engines. High tensile inner cords resist stretching under heavy accessory load. It reduces slippage noise and maintains consistent transmission efficiency for mixed on?road and off?road working scenarios.
Supersedes:5690231
