Delco E39A3 original ECU files

Vehicles with a Delco E39A3

Delco E39A3 files are listed for 5 makes and 11 models, the most listed first.

How to identify your Delco E39A3 file

How the numbers on this ECU type start:

• HW 12653… 27 of the 28 files with a HW number, 96%
• SW 1265… 34 of the 42 files with a SW number, 81%

A HW number alone does not pick the file: 12653997 carries 7 SW versions here. Compare both numbers with your read.

Where do I find these numbers?

Delco E39A3 map packs in figures

3 packs, 61 to 94 maps each, median 89.

All Delco E39A3 HW and SW numbers

2 HW numbers and 13 SW numbers, by make. Beside each HW, how many SW versions it carries. A number opens a file that shows it.