The main direction of our activity is the prodution of pump element ( plunger +barrel) for diesel engines. our products are of stable quality. WEIYE professional offer element made of bearing steel GCr15 with more than 60 years history, developed and manufactured A-pump, B-pump, P, AD,PS7100,F,K, PN,WM pump element, main application for in-line mechanical diesel injection pump, Many items are available according to pump model such as 17a75,83a,H01,1305 540, 771,175,102,108,126,337,174080,2149247,2450 000.....about 3000 items. for more info , please do not hesitate to contact us via aqiao@weiyediesel.com or weiye@china.com , we look forward to receiving your inquiry early.