5W-30 Signature Series Max-Duty Synthetic DIESEL Oil in A Gallon Jug by Amsoil | DHD1G-EA

Outstanding extreme-pressure protection Delivers 6X more wear protection1 Maintains proper viscosity thickness Minimizes oil consumption Maximizes fuel efficiency Excels in extreme temperatures Confidently extend drain intervals 1Based on third-party testing in the Detroit Diesel DD13 Scuffing Test for specification DFS 93K222 using 5W-30 as worst-case representation | Signature Series Max-Duty Synthetic Diesel Oil 5W-30 in 3.78 L Jug by AMSOIL