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.
TBi-engine family: 939B1000, 960A1000.
Specifications
| 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 |
11.8 6.0 8.1 |
| 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.
Frequently asked questions about the Alfa Romeo 939B1000
How much power does the Alfa Romeo 939B1000 make?
The Alfa Romeo 939B1000 develops 200 hp and 320 Nm of torque.
How much oil does the Alfa Romeo 939B1000 take and which one?
Engine oil capacity: 4.8 liters. Recommended oil: 5W-40.
Does the Alfa Romeo 939B1000 have a timing belt or chain?
The Alfa Romeo 939B1000 uses a timing belt.
Is the Alfa Romeo 939B1000 turbocharged?
Yes, the Alfa Romeo 939B1000 is turbocharged (BorgWarner K03).
Does the Alfa Romeo 939B1000 need valve clearance adjustment?
No, the Alfa Romeo 939B1000 has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Alfa Romeo 939B1000 last?
The typical lifespan of the Alfa Romeo 939B1000 is ~250 000 km with proper maintenance.
What is the fuel consumption of the Alfa Romeo 939B1000?
Alfa Romeo 159 2010: city 11.8, highway 6.0, combined 8.1 L/100 km.
What cars was the Alfa Romeo 939B1000 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.
What are the common problems of the Alfa Romeo 939B1000?
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. All known problems.
What engines are related to the Alfa Romeo 939B1000?
TBi-engine family: 960A1000.





