55595618 WY – Denso MB275700-2071 ECU in Virgin version
Denso MB275700-2071 module for the Opel Astra / Zafira with the 1.7 CDTI engine with the Car Pass (PIN) code reset. The unit has been refreshed and the housing refurbished – the electronics have never been repaired. It just needs fitting and programming in the car.
How to check compatibility
The most reliable way is to compare labels. Your ECU should show the number 55595618 WY (55595618WY). This unit is intended for the Opel Astra / Zafira with the 1.7 CDTI engine, but the number decides the match, not the model or year.
Cause of failure and symptoms
The Denso 1.7 CDTI ECU sits in the left front wheel arch next to the bumper, close to the ground – rain, road spray and snow damage it. Symptoms include starting problems, injector control faults, uneven running and misfires – run a diagnosis before buying.
Numbers to compare
These are the markings that matter when matching the ECU:
- Opel / GM number: 55595618
- Letter code: WY (55595618WY)
- Denso number: MB275700-2071
- ECU type: Denso 1.7 CDTI
Before fitting
Virgin means the Car Pass (PIN) code is reset – after fitting, the ECU is programmed in the car with Tech-2 or OP-COM.
- data cloning (the EEPROM and FLASH files or the whole ECU) – included in the price, we return both units,
- EGR OFF, tuning, DPF OFF (on versions with a DPF) – for an extra charge,
- warranty – 6 months.
Other Denso 1.7 CDTI Opel ECUs in stock
Read more on our blog: Opel 1.7 CDTI Denso ECUs – Astra H, Zafira, Corsa. More models: the Opel engine ECUs category. All units from this manufacturer are on the Denso page.
Common questions about ECU 55595618 WY
What do I program ECU 55595618 WY with?
With Tech-2 or OP-COM, after fitting it in the car. The Car Pass (PIN) code is reset.
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What is the warranty on ECU 55595618 WY?
The warranty is 6 months.
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Does ECU 55595618 WY fit my Opel Astra / Zafira?
Compare the label of your ECU with the number 55595618 WY (55595618WY). If it matches, the ECU fits.
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Do you do EGR OFF or DPF OFF?
Yes, as paid services: EGR OFF, tuning and – on versions with a DPF – DPF OFF.
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