Delco E39A2 original ECU files

Vehicles with a Delco E39A2

Delco E39A2 files are listed for 4 makes and 6 models, the most listed first.

How to identify your Delco E39A2 file

How the numbers on this ECU type start:

• HW 1263… 12 of the 15 files with a HW number, 80%
• SW 12648… 11 of the 19 files with a SW number, 58%
• SW 1265… 8 of the 19 files with a SW number, 42%

A HW number alone does not pick the file: 12653997 carries 2 SW versions here. Compare both numbers with your read.

Where do I find these numbers?

All Delco E39A2 HW and SW numbers

3 HW numbers and 5 SW numbers, by make. Beside each HW, how many SW versions it carries. A number opens a file that shows it.