Engine Alfa Romeo 939B1000

The 1.8-liter Alfa Romeo 939B1000 or 159 1.8 TBi engine was produced from 2009 to 2014 and was installed on such well-known concern models as 159, Brera and the similar Spider. On third-generation Lancia Delta hatchbacks, this powertrain is known as the 1.8 DI T-Jet 16V.

The TBi-engine line also includes: 960A1000.


Production years 2009-2014
Displacement, cc 1742
Fuel system direct injection
Power output, hp 200
Torque output, Nm 320
Cylinder block aluminum R4
Block head aluminum 16v
Cylinder bore, mm 83
Piston stroke, mm 80.5
Compression ratio 9.5
Features DOHC
Hydraulic lifters yes
Timing drive belt
Phase regulator on both shafts
Turbocharging BorgWarner K03
Recommended engine oil 5W-40
Engine oil capacity, liter 4.8
Fuel type petrol
Euro standards EURO 5
Fuel consumption, L/100 km (for Alfa Romeo 159 2010)
— city
— highway
— combined
Engine lifespan, km ~250 000
Weight, kg 125

The engine was installed on:

  • Alfa Romeo 159 (Type 939) in 2009 – 2011;
  • Alfa Romeo Brera I (Type 939) in 2009 – 2010;
  • Alfa Romeo Spider VI (Type 939) in 2009 – 2010;
  • Lancia Delta III (844) in 2009 – 2014.

Disadvantages of the Alfa Romeo 939B1000 engine

  • For a turbo engine of this power, this engine is very reliable and has no particular problems;
  • Since there is direct fuel injection, soot on the valves forms quite quickly;
  • The engine requires special oil or the turbine and hydraulic lifters do not last long;
  • The timing belt is recommended to be changed every 60,000 km, or if it breaks, the valves will bend;
  • With intensive use, lubricant consumption appears up to a liter per 1000 km.

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