ecm number

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Dec 19, 2009 | 09:15 PM

madaustinite

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ecm number

im replacing my ecm and the old serv number is: 1228746 and the new one is 7-8746. Now is this the right replacement even though only the last 4 numbers match or not?

Dec 19, 2009 | 10:30 PM

vetteoz

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From: Not in Kansas anymore

Car: 82 Z28

Engine: 383 SP EFI/ 4150 TB

Transmission: T400

Axle/Gears: QP 9" 3.73

Re: ecm number

Quote:

Originally Posted by madaustinite

the new one is 7-8746.

Is that a GM part # or the number from some ECM rebuilder

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