ECU number help

Hello all my name is Lee, I have a 1998 GTO SR 5 speed Manual.

Hi all, I was thinking about getting a back up ECU for when the inevitable happens. Ive looked on Japanese Websites to find my ECU number but for my car there is 2 listed. Without checking (as it’s a pain to get to) any idea why there would be 2 listed? I found one on eBay with the same Part number - but it says it’s from an Auto (mine is a manual). any help would be appreciated. thanks

go on megazip with chassis number and that should give you oem part numbers for ecu. if they have more than one it’s usually a later upgrade so ask them which fits yours. price on there huge but you will get correct ref

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thanks for the reply. Megazip only has one type of ECU - image below. this part number is also on EBay (for a used unit). it says its from an Automatic GTO. I wonder if the ECU for the manual and Automatic are the same - would have thought they would be different. thanks