Description
Opel 1.8L A18XER Engine For Sale
The Opel A18XER 1.8L Ecotec petrol engine is a naturally aspirated 4-cylinder engine used across several Opel models, including the Astra, Insignia, Mokka and Zafira. The engine has a 1,796 cc displacement, DOHC 16-valve configuration and produces approximately 140 PS (103 kW) and 175 Nm of torque.
This A18XER engine is suitable as a replacement unit for vehicles originally equipped with the same engine code, subject to checking the vehicle’s year, ECU, wiring, sensors and ancillary components before purchase. Opel 1.8L A18XER Engine For Sale
Specifications
- Make: Opel
- Engine Code: A18XER
- Engine Type: Ecotec
- Displacement: 1.8L / 1,796 cc
- Configuration: Inline 4-cylinder
- Fuel: Petrol
- Valves: 16-valve DOHC
- Aspiration: Naturally Aspirated
- Maximum Power: 103 kW / 140 PS @ 6,300 rpm
- Maximum Torque: 175 Nm @ 3,800 rpm
- Bore × Stroke: 80.5 × 88.2 mm
- Compression Ratio: Approximately 10.5:1
- Fuel Injection: Sequential multi-point injection
- Emission Standard: Euro 5
- Engine Code: A18XER
Compatible Opel Applications
Depending on the exact engine version and ancillary equipment, the A18XER was fitted to models including:
- Opel Astra
- Opel Insignia
- Opel Mokka
- Opel Zafira
Important: Always match the A18XER engine code and compare the existing engine’s sensors, intake/exhaust configuration, mounts and accessories before installation.





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