Opel Astra H / Zafira B 1.8 Petrol Engine Control Unit Box (ECU) – Siemens Simtec 71.6 55355292 is listed as an auto-part option. Confirm fitment, part number and compatibility before purchase, especially where vehicle-specific matching is required.
Opel Astra H / Zafira B 1.8 Petrol Engine Control Unit Box (ECU) – Siemens Simtec 71.6 55355292 is an essential electronic module managing engine functions for the specified Opel models. This ECU governs fuel injection, ignition timing, and other critical engine parameters to ensure operational efficiency for the 1.8 petrol variant.
This engine control unit is designed specifically for the Opel Astra H and Zafira B models, powered by a 1.8 petrol engine. When comparing this unit with your existing ECU, verify the Siemens Simtec 71.6 identification and part number 55355292 for compatibility. Differences in coding, calibration, or fault handling may require diagnostic support, which is beyond the scope of this listing.
The unit sits centrally within the engine’s electronic management system, receiving sensor inputs and sending commands to actuators to optimize engine performance. Buyers should ensure that this ECU matches the exact model and engine specification before purchase to avoid fitment issues.
- Designed for Opel Astra H and Zafira B, 1.8 petrol engines
- Identified by Siemens Simtec 71.6 with part number 55355292
- Controls core engine management functions such as fuel and ignition timing
For further help with coding, calibration, or fault diagnosis, consulting a professional or using the sales desk services is recommended before finalising your purchase decision.
Need help matching this item to your vehicle? Use more ECU & Lock Set, Vehicle Parts Finder or Request a Part with your VIN, engine number, part number or clear photos.