−10%10% off all files right now — originals €18, map packs from €54.
€18 / file−10%

12631999 12630377 Delco E38 original ECU file – Hummer H3 3.7 242hp

SW12631999UPG12630377

Where do I find these numbers?

Vehicle
Hummer H3
Engine
3.7 242hp
SW
12631999
SW upgrade
12630377

SW numbers next to 12631999

The closest SW numbers in the archive, by spelling. They are other files, not equivalents. Worth a look when a digit may have been misread.

SWListed for
12630465Chevrolet Uplander 3.9 240hp
12630501Cadillac Escalade 6.2 315hp
12632076Opel Insignia 1.8 140hp · Delco E83
12632176Chevrolet Camaro 6.2 426hp
12632753Opel Antara 3.0 258hp · Delco E39
12633056Chevrolet Camaro 6.2 426hp
12633709Buick Excelle 1.6 16V Turbo VVT 180hp A16LET · Delco E83
12634557Chevrolet Montana 1.4 102hp · Delco E83
12634915Chevrolet Captiva 2.4 170hp · Delco E37
12635030Chevrolet Camaro 6.2 405hp · Delco E83

Other numbers for the Hummer H3 3.7 242hp

5 files cover exactly this car and engine, on Delco E38 (5). If your ECU reads differently from this page, 3 of the others:

This ECU and car in figures

Delco E38: 125 files, 46 SW numbers, 2 with a map pack. Makes: Chevrolet (89), Cadillac (11), Holden (10), Hummer (10). Most listed: Chevrolet Camaro (61), Chevrolet Silverado (13), Cadillac Escalade (11), Holden Commodore (9).

Hummer H3: 9 files. ECU types: Delco E38 (9). Engine codes: LH8 (1).

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

Other files for the Hummer H3

Other Delco E38 files

Original ECU file Delco E38 · 12631999 · 12630377
€18
  1. 1 · E-mail
  2. 2 · Card
  3. 3 · File

Checking availability…

All sales are final — no refunds.

Card payment by Stripe · charged only when ready · Terms of sale · Privacy