... to offer you good service, please kindly tell us the P/N(Part Numer). If you have no P ... /N, you can aslo tell us the ESN(Engine series Number) which you can find on ... of Cummins engine.3.About USAs the authorized dealer of Chongqing Cummins Engine Company,Ltd., our company is just 1.5 km ... N,K and M series diesel engine parts,with the strength of NTA855,KTA19,KTA38,KTA50,MTA11 diesel engine ...