21068310 Delco -- original ECU file – Chevrolet Silverado 5.3 315hp

HW numbers next to 21068310

The closest HW 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 Chevrolet Silverado 5.3 315hp

9 files cover exactly this car and engine, on Delco E38 (7), Delco, type not listed (2). If your ECU reads differently from this page, 3 of the others:

This ECU and car in figures

Delco --: 23 files, 10 SW numbers. Makes: Fiat (7), Opel (7), Chevrolet (4), Cadillac (2). Most listed: Fiat Stilo (4), Opel Meriva (4), Cadillac SRX (2), Chevrolet Silverado (2).

Chevrolet Silverado: 50 files. ECU types: Bosch EDC17CP18 DELCO E86A (14), Delco E38 (13), Bosch EDC17CP18 DELCO E86B (6), Delco E86 (6). Engine codes: GM Duramax LML (8), GM Duramax (4), LGH (1).