50000 MI or 80000 KM

Clean
    Fuel/Water Separator
      Drain coalescent filter.
Replace
    Oil Filter, Engine
    Fuel Filter
      Replace O-ring seal as well.
    Engine Oil
    Coolant
      Change engine coolant initially at 50,000 miles (80,000 km) or 48 months. thereafter, change engine coolant every 30,000 miles (48,000 km) or 36 months.