JASO Diesel Oil Specifications

JASO DH-1

•Applicable to 4T diesel engines which were predating the long-term exhaust emission regulation.
•Allowed to cases where diesel fuel having >0.05% S

JASO DL-1

•Adopted for light-duty use by passenger car equipped with after-treatment devices such as DPF and catalyst in compliance with latest exhaust emission regulation (Euro 4).
•Used only in the environment where low-S diesel fuel is used(<0.005%).