CUMMINS 3801056/4089810 NT855A/NT250 KOLBENRING STD

It is the piston rings for CUMMINS NT855A and NT250. The height of it in order is 4mm, 3mm, 3mm and 4.75mm. And the thickness is 5.2mm, exclude the fourth ring , which is 4.6mm. The diameter of those is 139.7mm. The material of those is ductile iron and steel. Chrome plated, Phosphatized and nitriding is the main surface treatment of those piston rings.  That mean the rings can shorten the run-in period and let the piston operate more smoothly and have a longer life. The good performance with competitive price that is the special point of those rings. Wellfar piston rings are sold in sets. Minimum order quantity is 1set. 

ProduktSpezifikation

The products of Guangzhou Wellfar Engine Parts Co., Ltd. are sold well at home and abroad, and we are an important supplier to many of the top 100 global auto parts companies, and have several factories in China to produce OE quality engine parts. 

http://de.wellfarengineparts.com/