The 1.4-liter Mitsubishi 4G12 (also known as G11B) belongs to the Orion family and was used from the late 1970s in the Mirage/Colt, Lancer, Lancer Celeste, Tredia and Cordia, as well as in the Dodge and Plymouth Colt and the Plymouth Champ.
It is a carburetor SOHC engine with a bore of 74 mm and a stroke of 82 mm. The 4G12 was the first engine with Mitsubishi MD (Modulated Displacement) technology, which shut off two cylinders at light load. There was also a turbocharged 4G12T producing 105 hp.
The Orion family also includes: 4G13, 4G15, 4G18 and 4G19.
Specifications
| Production years | 1978-1987 |
| Displacement, cc | 1410 |
| Fuel system | carburetor |
| Cylinder bore, mm | 74 |
| Piston stroke, mm | 82 |
| Features | SOHC |
| Timing drive | belt |
| Turbocharging | no / yes |
| Fuel type | petrol |
The engine was installed on:
- Mitsubishi Lancer Celeste A140 in 1978 – 1981;
- Mitsubishi Lancer EX A170 in 1979 – 1987;
- Mitsubishi Colt 1 (A150) in 1978 – 1984;
- Mitsubishi Tredia A210 in 1982 – 1988;
- Mitsubishi Cordia A210 in 1982 – 1988;
- Dodge Colt in 1979 – 1984;
- Plymouth Champ in 1979 – 1982.
