Delco E90 original ECU file – GMC Sierra 5.3 290hp

What you get

• The original (stock) read of this ECU as listed, as a ready-to-use .bin file by e-mail.
• File sizes differ between tools and read methods — check that the numbers match your ECU before buying.
• Original read only: no full backup, EEPROM or tuned file.
• A digital file: all sales are final — no refunds. Terms of sale