Shiyan Mingqi Industry and Trade Co., Ltd
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Dongfeng Cummins 6CT/6L Engine Connecting Rod – Part Nos. 5271843 & 5289332
Dongfeng Cummins 6CT and 6L series diesel engines are widely recognized for their robust performance, exceptional reliability, and long service life—qualities that place high demands on every critical component, especially the connecting rods. The genuine Dongfeng Cummins connecting rod designed specifically for these engine platforms is engineered to withstand extreme combustion pressures, high rotational speeds, and prolonged thermal cycling without compromising structural integrity or dimensional stability. Two key OEM part numbers identify this precision-crafted component: **5271843** and **5289332**, each corresponding to distinct configurations optimized for specific bore-stroke combinations, crankshaft journal dimensions, and piston pin offset requirements across the 6CT and 6L variants. Manufactured from high-strength forged steel using advanced heat-treatment processes—including quenching, tempering, and shot peening—the connecting rods deliver superior fatigue resistance and 





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