0 0 2000 Caterpillar 3126 Engine Control Module (ECM) for a GMC C6500 $1,695 USD (USED) CAT 3126 Serial #: 8YL48321 HP: 190 TESTED ConditionUsedFits To Make(s)GMCFits To Model(s)C6500Stock Number25897247 MLS Number13983062CategoryEngine Control Modules (ECM) Last Updated11/14/2025 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info