Diesel engines like the 3.0L Duramax require special maintenance, including the use of DEF, or Diesel Exhaust Fluid. Now, GM ...

When diesel-powered trucks sit idle for extended periods, it’s easy to overlook the condition of the diesel exhaust fluid (DEF) in the tank. However, DEF has a limited shelf life, and using expired ...

As another Canadian winter approaches, can problems with diesel exhaust fluid (DEF) be far behind? Bill O’Ryan, senior manager of DEF with the American Petroleum Institute (API) says drivers and ...

60- or 120-gal.-capacity stainless steel DEF system includes lockable pump enclosure, 8-gpm industrial-grade 12V DEF pump and 20-ft., 3/4-in. hose with automatic shutoff nozzle Thunder Creek's DEF ...

Every day, technical support teams at construction equipment manufacturers and dealers get calls from customers covering any number of topics. A common engine-related call involves diesel exhaust ...