1. P/N: 5255257 Piston 2. Brand: Dongfeng Cummins 3. Certification: ISO/ ... Dongfeng Commercial Vehicles and specializes in the engines of B, C, L series and the ISBe, IEDe, ISLe series.Our websites ... .16 Guangzhou Road, hi-tech Development Zone, Shiyan, Hubei, ChinaP.C. 442013The Retail Reception of Our Company: 5255257 Dongfeng Cummins Piston