Material: 20Cr, 20CrMnTi, 16MnCr5 

Process: Utilizes a full-case carburizing and quenching process, resulting in a surface Rockwell hardness (HRC) of 58–60 and an effective wear-resistant layer thickness of 1.2 mm. 

OE; 3330991

Compatible models 

Cummins: ISC 8.3, ISL 8.9, ISLE, QSL9 (commonly found in Dongfeng Tianlong, construction machinery, and generator sets)