× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: Synthetic Motor Oil: Extended Drain Interval - or Not?
Posted to Castrol Forum on 3/3/2017 3 Replies

[...trimmed text...]

Dexos1 is the current GM requirement for 2004 models. It supercedes both GM 6094M (the 2004 requirement for that model) and GM 718M. 6094M and 4718M are discontinued.

Login to read more.

3 Replies Received (View Replies)