Diesel engines like the 3.0L Duramax require special maintenance, including the use of DEF, or Diesel Exhaust Fluid. Now, GM Authority is taking a closer look.

If you are tired of eating up front disc brakes and having to lay on the brake pedal longer than you’d like when your late-model GM HD pickup is towing a big gooseneck or heavy tow-behind trailer, we ...

A sure cure for a hidden Duramax exhaust choke point; BD Diesel performance manifold restores flow balance and lowers EGTs Optimum exhaust flow is critical to maximizing the efficiency of any engine.

The 6.6L Duramax diesel is an extremely versatile engine with lots of torque and plenty of durability-as the name would imply. For anyone looking for an excellent tow rig, race truck, or daily driver, ...

The GM Duramax 3.0L LZ0 engine relies on a Diesel Particulate Filter, or DPF, to reduce emissions. Now, we're taking a closer ...