This is a good GMC ecm or engine computer. The part number is 55 568 978. It comes with a 90-day warranty. Make sure your part number matches before ordering. Computer may need to be reprogrammed to your vehicle. Stock # N46 Recommended products Provided by 9 896 978 -01 ecm ecu computer 2019 BMW X3 View product 16183977 ecm ecu computer 1994 GMC Yukon View product 01224770 Chevrolet or GMC ecu ecm computer View product 12739544 ecm ecu computer 2024 GMC Terrain View product 16165180 Chevy or GMC 1996 ecu ecm computer View product 12726394 ecm ecu computer 2016-2023 GMC Acadia View product 12710154 ecm ecu computer 2020 GMC Terrain **TESTED** View product 1990 Chevy or GMC ecm ecu computer 01228812 View product