Engine Opel Z19DT

The 1.9-liter diesel engine Opel Z19DT or 1.9 CDTi was produced from 2004 to 2010 and was installed on such popular models of the German concern as Astra, Vectra or Zafira. This 8-valve engine was created by Fiat and was installed on Saab under its D207E index.

The Z family also includes engines: Z13DTJ, Z13DTH, Z17DTH, Z19DTH.

The engine was installed on:

  • Opel Astra H (A04) in 2005 – 2010;
  • Opel Signum A (Z03) in 2004 – 2008;
  • Opel Vectra C (Z02) in 2004 – 2008;
  • Opel Zafira B (A05) in 2005 – 2010.


Production years 2004-2010
Displacement, cc 1910
Fuel system Common Rail
Power output, hp 120
Torque output, Nm 280
Cylinder block cast iron R4
Block head aluminum 8v
Cylinder bore, mm 82
Piston stroke, mm 90.4
Compression ratio 18.0
Features SOHC
Hydraulic lifters no
Timing drive belt
Phase regulator no
Turbocharging Garrett GT1749MV
Recommended engine oil 5W-40
Engine oil capacity, liter 4.6
Fuel type diesel
Euro standards EURO 4
Fuel consumption, L/100 km (for Opel Vectra 2007)
— city
— highway
— combined
Engine lifespan, km ~340 000
Weight, kg 180

Disadvantages of the Z19DT engine

  • This is a simple and reliable engine, as it does not have problematic swirl flaps;
  • The weak point of the Bosch Common Rail fuel system is the metering valve;
  • At high mileage, nozzles often begin to pour, but usually they are repaired;
  • The turbine is resource here, except that the blades of geometry change coke and wedge;
  • The exhaust manifold may crack or deform around the 4th cylinder.

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