... .Cummins valve guide 2.For Cummins diesel engine N series 3.Imported or Made in China 4. ... 7daysDelivery Day1-7days2.More Engine and Valve Stem Guide P/N Cummins NTA855 Valve Stem Guide3006456Cummins KTA38 Valve Stem ... service, please kindly tell us the P/N(Part Numer). If you have no P/N, you can aslo tell us ... away from CCEC. And we mainly supply Cummins N,K and M series diesel engine parts,with the ...