Engine number

Figure 1. Smartstream G2.5 GDi
ONQ5061109L
Figure 2. Smartstream G1.6 T-GDi
ONQ5061110L
Figure 3. Smartstream G2.0
ONQ5061077L
Figure 4. Smartstream D2.0
ONQ5061065

The engine number is stamped on the engine block as shown.