Genuine AC Delco Fuel & Oil Filters W/ 4 Gallons Of Schaeffer 15W40 For Duramax
AC Delco Oil Filter, Fuel Filter And 4 Gallons Of Schaeffer 15W-40 Motor Oil
Schaeffer Oil - SynShield Durability Advantage 15W-40 (4 Gallons)
Para-synthetic, heavy-duty, 15W-40 diesel oil that provides stronger durability, better soot control and stronger wear protection to equipment working long hours in severely harsh conditions.
Exceeds API CK-4.
