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Electrical Parts
Engine Control Unit – ECU
Engine control unit for Opel
ECU ENGINE CONTROLLER OPEL VECTRA SIGNUM Z22YH 55354744 5WK91101

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ECU ENGINE CONTROLLER OPEL VECTRA SIGNUM Z22YH 55354744 5WK91101

Technical data

PARTS	ECU ENGINE CONTROLLER
BRAND AND MODEL	OPEL
NUMBER MANUFACTURER	55354744
OPTION AVAILABLE	Locked / Ready for programming
WARRANTY :	6-month warranty
INSPECTION:	Device thoroughly inspected and tested by a certified technician
CONDITION	USED ORYGINAL IN GOOD CONDITION

ECU ENGINE CONTROLLER OPEL VECTRA SIGNUM Z22YH 55354744 5WK91101

Availability:: available

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Price: £139.31 139.31

Net price: £113.26

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Vendor: Siemens

Product code: D198-257D0

Engine Control Unit Opel Vectra Signum Z22YH

The engine control unit 55354744 (5WK91101) is a proven component that helps restore proper and stable operation of the Z22YH engine in Opel Vectra and Signum models.

Oferta produktu ECU ENGINE CONTROLLER OPEL VECTRA SIGNUM Z22YH 55354744 5WK91101, który został przetestowany i jest objęty 1-miesięczną gwarancją. Wysyłka w 24–48 godzin.

Description

ENGINE ECU OPEL VECTRA SIGNUM Z22YH 55354744 5WK91101

Below is brief information about the engine ECU with part numbers 55354744 and 5WK91101, used in Opel Vectra and Signum models with the Z22YH engine.

Which models use ECU 55354744?

This engine control unit is used in Opel Vectra and Signum vehicles with the 2.2 Z22YH petrol engine. Part numbers 55354744 and 5WK91101 refer to the same ECU. VIN verification is the safest way to confirm compatibility.

Do numbers 55354744 and 5WK91101 refer to the same ECU?

Yes — both numbers identify the same engine control module. Differences are only due to catalog numbering used by Opel and the electronics supplier. The ECUs are fully interchangeable.

What symptoms may indicate ECU failure?

Common symptoms include starting problems, uneven engine operation, loss of power, delayed throttle response or lack of diagnostic communication.

Does this ECU require programming?

In many cases, the ECU must be adapted to the vehicle. This usually includes immobiliser configuration or ECU parameter setup. After proper programming, the module operates correctly.

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Variants

Click the link below to check the available engine ECU preparation options.

LINK TO DESCRIPTION OF ECU UNLOCK OPTIONS

Please note that not every option is available for each variant – to ensure the selected option is compatible with your product, we recommend contacting us by email:

contact@auto24parts.com

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