12644096 12644095 Delco E86 original ECU file – GMC Sierra 6.6 V8 400hp

SW 12644095 is also listed for

The catalogue has this SW number on 1 other vehicle variant, 4 files:

• Chevrolet Silverado 6.6 397hp 4 files

SW numbers next to 12644095

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.

Other numbers for the GMC Sierra 6.6 V8 400hp

4 files cover exactly this car and engine, on Bosch EDC17CP18 DELCO E86A (2), Delco E86 (2). If your ECU reads differently from this page, the others:

This ECU and car in figures

Delco E86: 11 files, 6 SW numbers, 3 with a map pack. Makes: Chevrolet (6), GMC (5). Most listed: Chevrolet Silverado (6), GMC Sierra (5).

GMC Sierra: 32 files. ECU types: Bosch EDC17CP18 DELCO E86A (12), Delco E98 (9), Delco E86 (5), Bosch DELCO E86B (3).