Delco E38 original ECU files

Vehicles with a Delco E38

Delco E38 files are listed for 7 makes and 20 models, the most listed first.

How to identify your Delco E38 file

How the numbers on this ECU type start:

• HW 12605… 5 of the 12 files with a HW number, 42%
• SW 1263… 44 of the 121 files with a SW number, 36%
• SW 1261… 29 of the 121 files with a SW number, 24%
• SW 1265… 21 of the 121 files with a SW number, 17%

A HW number alone does not pick the file: 12605811 carries 4 SW versions here. Compare both numbers with your read.

Where do I find these numbers?

Delco E38 map packs in figures

2 packs, 32 to 99 maps each, median 65.5.

All Delco E38 HW and SW numbers

8 HW numbers and 46 SW numbers, by make. Beside each HW, how many SW versions it carries. A number opens a file that shows it.