Doc’s Diesel Clean & Protect Bundle 1999-2005 Doc's Diesel 15W-40 Full Synthetic

Doc's Diesel 15W-40 Full Synthetic Heavy Duty Diesel Oil is specially engineered for today’s hard-working diesel engines - whether you're running a new emissions-compliant rig or keeping an older workhorse in the game

The included additive package has proven to reduce wear up to 71% in Cummins ISM severe service test

DGF429+DPA10660+DF209+D3977+D5399+D15W40

this oil provides excellent oxidation and thermal stability

DFD4615+D6128+DPA6109+D10W30

Doc’s Diesel Clean & Protect Bundle 1999-2005 Doc's Diesel 15W-40 Full SyntheticDocs Diesel Clean & Protect Bundle: Modern diesel engines deliver serious power, but they demand serious protection. Injector deposits, soot buildup, and internal friction slowly rob performance and lead to expensive repairs. This bundle was built to clean and protect your diesel the right way, combining targeted fuel system cleaning with critical engine wear protection. Interval Diesel Treatment delivers a concentrated clean to help restore injector